Merge current v2.4 into master

.github/workflows/check_doc.yml

@@ -0,0 +1,20 @@
+name: Check Documentation
+
+on:
+  pull_request:
+
+jobs:
+
+  docs:
+    name: Check, verify and build documentation
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - name: Check out code
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Check documentation
+        run: make docs-pull-images docs

.golangci.toml

@@ -67,6 +67,7 @@
     "scopelint", # Deprecated
     "interfacer", # Deprecated
     "maligned", # Deprecated
+    "golint", # Deprecated
     "sqlclosecheck", # Not relevant (SQL)
     "rowserrcheck", # Not relevant (SQL)
     "lll", # Not relevant
@@ -97,6 +98,7 @@
     "unparam", # Too strict
     "godox", # Too strict
     "forcetypeassert", # Too strict
+    "tagliatelle", # Not compatible with current tags.
   ]
 
 [issues]

.travis.yml

@@ -16,7 +16,6 @@ env:
 
 script:
 - echo "Skipping tests... (Tests are executed on SemaphoreCI)"
-- if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then travis_retry make docs-pull-images && make docs; fi
 
 before_deploy:
   - >

CHANGELOG.md

@@ -1,3 +1,39 @@
+## [v2.4.9](https://github.com/traefik/traefik/tree/v2.4.9) (2021-06-21)
+[All Commits](https://github.com/traefik/traefik/compare/v2.4.8...v2.4.9)
+
+**Bug fixes:**
+- **[acme]** Update go-acme/lego to v4.4.0 ([#8179](https://github.com/traefik/traefik/pull/8179) by [ldez](https://github.com/ldez))
+- **[acme]** Fix: ACME preferred chain. ([#8146](https://github.com/traefik/traefik/pull/8146) by [ldez](https://github.com/ldez))
+- **[k8s,k8s/gatewayapi]** Remove error when HTTProutes is empty ([#8023](https://github.com/traefik/traefik/pull/8023) by [tomMoulard](https://github.com/tomMoulard))
+- **[k8s,k8s/ingress]** Fix incorrect behaviour with multi-port endpoint subsets ([#8156](https://github.com/traefik/traefik/pull/8156) by [coufalja](https://github.com/coufalja))
+- **[k8s,k8s/ingress]** Kubernetes ingress provider to search via all endpoints ([#7997](https://github.com/traefik/traefik/pull/7997) by [martinvizvary](https://github.com/martinvizvary))
+- **[plugins,windows]** Fix plugin unzip call on windows ([#8136](https://github.com/traefik/traefik/pull/8136) by [ddtmachado](https://github.com/ddtmachado))
+- **[plugins]** Update Yaegi to v0.9.17 ([#8100](https://github.com/traefik/traefik/pull/8100) by [ldez](https://github.com/ldez))
+- **[provider]** Bump paerser to v0.1.4 ([#8116](https://github.com/traefik/traefik/pull/8116) by [ldez](https://github.com/ldez))
+- **[server]** Create buffered signals channel ([#8190](https://github.com/traefik/traefik/pull/8190) by [dtomcej](https://github.com/dtomcej))
+- **[server]** Fix: use defaultEntryPoints when no entryPoint is defined in a TCPRouter ([#8111](https://github.com/traefik/traefik/pull/8111) by [LandryBe](https://github.com/LandryBe))
+- **[tls]** Use a dynamic buffer to handle client Hello SNI detection ([#8194](https://github.com/traefik/traefik/pull/8194) by [ldez](https://github.com/ldez))
+- **[tracing]** Error span on 5xx only ([#8033](https://github.com/traefik/traefik/pull/8033) by [kevtainer](https://github.com/kevtainer))
+
+**Documentation:**
+- **[k8s,k8s/crd]** Fix ingressRouteTCP external name service examples in documentation ([#8120](https://github.com/traefik/traefik/pull/8120) by [rtribotte](https://github.com/rtribotte))
+- **[k8s,k8s/gatewayapi]** Fix Kubernetes Gateway API documentation links ([#8063](https://github.com/traefik/traefik/pull/8063) by [jbdoumenjou](https://github.com/jbdoumenjou))
+- **[k8s,k8s/gatewayapi]** Fix: k8s gateway api link ([#8085](https://github.com/traefik/traefik/pull/8085) by [tomMoulard](https://github.com/tomMoulard))
+- **[k8s,k8s/gatewayapi]** Fix the "values" field in the example of httproute ([#8192](https://github.com/traefik/traefik/pull/8192) by [maelvls](https://github.com/maelvls))
+- **[k8s/crd]** Fix ServersTransport documentation ([#8019](https://github.com/traefik/traefik/pull/8019) by [tomMoulard](https://github.com/tomMoulard))
+- **[k8s]** Correct annotation option ([#8031](https://github.com/traefik/traefik/pull/8031) by [cbergmann](https://github.com/cbergmann))
+- **[metrics]** Add metrics documentation ([#8007](https://github.com/traefik/traefik/pull/8007) by [rtribotte](https://github.com/rtribotte))
+- **[middleware]** Docs: add examples for removing headers ([#8030](https://github.com/traefik/traefik/pull/8030) by [SuperSandro2000](https://github.com/SuperSandro2000))
+- **[middleware]** Doc: clarify usage for ratelimit's excludedIPs ([#8072](https://github.com/traefik/traefik/pull/8072) by [mpl](https://github.com/mpl))
+- **[middleware]** Elaborate on possible use of status codes with the errors middleware ([#8176](https://github.com/traefik/traefik/pull/8176) by [Midnighter](https://github.com/Midnighter))
+- **[middleware]** Doc: fix a syntax error in ratelimit TOML configuration sample ([#8101](https://github.com/traefik/traefik/pull/8101) by [mvertes](https://github.com/mvertes))
+- **[pilot]** Docs: add pilot dashboard flag to static configuration file reference ([#8152](https://github.com/traefik/traefik/pull/8152) by [danshilm](https://github.com/danshilm))
+- Adding Maintainers Guidelines ([#8168](https://github.com/traefik/traefik/pull/8168) by [jakubhajek](https://github.com/jakubhajek))
+- Explains Traefik HTTP response status codes ([#8170](https://github.com/traefik/traefik/pull/8170) by [rtribotte](https://github.com/rtribotte))
+- Doc: typo fix ([#8026](https://github.com/traefik/traefik/pull/8026) by [mpl](https://github.com/mpl))
+- Adding formatting to the document. ([#8180](https://github.com/traefik/traefik/pull/8180) by [jakubhajek](https://github.com/jakubhajek))
+- Changing default file format for the snippets from TOML to YAML ([#8193](https://github.com/traefik/traefik/pull/8193) by [tomMoulard](https://github.com/tomMoulard))
+
 ## [v2.4.8](https://github.com/traefik/traefik/tree/v2.4.8) (2021-03-22)
 [All Commits](https://github.com/traefik/traefik/compare/v2.4.7...v2.4.8)
 

CONTRIBUTING.md

@@ -1,4 +1,9 @@
 # Contributing
 
-- https://doc.traefik.io/traefik/contributing/submitting-pull-requests/
+Here are some guidelines that should help to start contributing to the project.
-- https://doc.traefik.io/traefik/contributing/submitting-issues/
+
+- [Submitting pull Requests](https://github.com/traefik/contributors-guide/blob/master/pr_guidelines.md)
+- [Submitting issues](https://doc.traefik.io/traefik/contributing/submitting-issues/)
+- [Submitting security issues](docs/content/contributing/submitting-security-issues.md)
+
+If you are willing to become a maintainer of the project, please take a look at the [maintainers guidelines](docs/content/contributing/maintainers-guidelines.md).

README.md

@@ -6,7 +6,6 @@
 [![Build Status SemaphoreCI](https://semaphoreci.com/api/v1/containous/traefik/branches/master/shields_badge.svg)](https://semaphoreci.com/containous/traefik)
 [![Docs](https://img.shields.io/badge/docs-current-brightgreen.svg)](https://doc.traefik.io/traefik)
 [![Go Report Card](https://goreportcard.com/badge/traefik/traefik)](https://goreportcard.com/report/traefik/traefik)
-[![](https://images.microbadger.com/badges/image/traefik.svg)](https://microbadger.com/images/traefik)
 [![License](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/traefik/traefik/blob/master/LICENSE.md)
 [![Join the community support forum at https://community.traefik.io/](https://img.shields.io/badge/style-register-green.svg?style=social&label=Discourse)](https://community.traefik.io/)
 [![Twitter](https://img.shields.io/twitter/follow/traefik.svg?style=social)](https://twitter.com/intent/follow?screen_name=traefik)
@@ -126,7 +125,10 @@ You can find high level and deep dive videos on [videos.traefik.io](https://vide
 
 ## Maintainers
 
-[Information about process and maintainers](docs/content/contributing/maintainers.md)
+We are strongly promoting a philosophy of openness and sharing, and firmly standing against the elitist closed approach. Being part of the core team should be accessible to anyone who is motivated and want to be part of that journey!
+This [document](docs/content/contributing/maintainers-guidelines.md) describes how to be part of the core team as well as various responsibilities and guidelines for Traefik maintainers.
+You can also find more information on our process to review pull requests and manage issues [in this document](docs/content/contributing/maintainers.md).
+
 
 ## Contributing
 

build.Dockerfile

@@ -19,7 +19,7 @@ RUN mkdir -p /usr/local/bin \
     && chmod +x /usr/local/bin/go-bindata
 
 # Download golangci-lint binary to bin folder in $GOPATH
-RUN curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | bash -s -- -b $GOPATH/bin v1.39.0
+RUN curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | bash -s -- -b $GOPATH/bin v1.41.1
 
 # Download misspell binary to bin folder in $GOPATH
 RUN  curl -sfL https://raw.githubusercontent.com/client9/misspell/master/install-misspell.sh | bash -s -- -b $GOPATH/bin v0.3.4

cmd/context.go

@@ -1,20 +0,0 @@
-package cmd
-
-import (
-	"context"
-	"os"
-	"os/signal"
-	"syscall"
-)
-
-// ContextWithSignal creates a context canceled when SIGINT or SIGTERM are notified.
-func ContextWithSignal(ctx context.Context) context.Context {
-	newCtx, cancel := context.WithCancel(ctx)
-	signals := make(chan os.Signal)
-	signal.Notify(signals, syscall.SIGINT, syscall.SIGTERM)
-	go func() {
-		<-signals
-		cancel()
-	}()
-	return newCtx
-}

cmd/traefik/traefik.go

@@ -8,9 +8,11 @@ import (
 	stdlog "log"
 	"net/http"
 	"os"
+	"os/signal"
 	"path/filepath"
 	"sort"
 	"strings"
+	"syscall"
 	"time"
 
 	"github.com/coreos/go-systemd/daemon"
@@ -122,7 +124,7 @@ func runCmd(staticConfiguration *static.Configuration) error {
 		return err
 	}
 
-	ctx := cmd.ContextWithSignal(context.Background())
+	ctx, _ := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
 
 	if staticConfiguration.Experimental != nil && staticConfiguration.Experimental.DevPlugin != nil {
 		var cancel context.CancelFunc

docs/check.Dockerfile

@@ -24,8 +24,8 @@ RUN apk --no-cache --no-progress add \
 RUN npm config set unsafe-perm true
 
 RUN npm install --global \
-    markdownlint@0.17.2 \
+    markdownlint@0.22.0 \
-    markdownlint-cli@0.19.0
+    markdownlint-cli@0.26.0
 
 # Finally the shell tools we need for later
 # tini helps to terminate properly all the parallelized tasks when sending CTRL-C

docs/content/contributing/data-collection.md

@@ -9,19 +9,19 @@ Understanding how you use Traefik is very important to us: it helps us improve t
 For this very reason, the sendAnonymousUsage option is mandatory: we want you to take time to consider whether or not you wish to share anonymous data with us so we can benefit from your experience and use cases.
 
 !!! example "Enabling Data Collection"
-    
+
-    ```toml tab="File (TOML)"
-    [global]
-      # Send anonymous usage data
-      sendAnonymousUsage = true
-    ```
-    
     ```yaml tab="File (YAML)"
     global:
       # Send anonymous usage data
       sendAnonymousUsage: true
     ```
-    
+
+    ```toml tab="File (TOML)"
+    [global]
+      # Send anonymous usage data
+      sendAnonymousUsage = true
+    ```
+
     ```bash tab="CLI"
     # Send anonymous usage data
     --global.sendAnonymousUsage
@@ -45,49 +45,51 @@ Once a day (the first call begins 10 minutes after the start of Traefik), we col
 - an **anonymized version** of the static configuration (token, user name, password, URL, IP, domain, email, etc, are removed).
 
 !!! info
-    
+
     - We do not collect the dynamic configuration information (routers & services).
     - We do not collect this data to run advertising programs.
     - We do not sell this data to third-parties.
 
 ### Example of Collected Data
 
-```toml tab="Original configuration"
+```yaml tab="Original configuration"
-[entryPoints]
+entryPoints:
-  [entryPoints.web]
+  web:
-    address = ":80"
+  address: ":80"
 
-[api]
+api: {}
 
-[providers.docker]
+providers:
-  endpoint = "tcp://10.10.10.10:2375"
+  docker:
-  exposedByDefault = true
+    endpoint: "tcp://10.10.10.10:2375"
-  swarmMode = true
+    exposedByDefault: true
+    swarmMode: true
 
-  [providers.docker.TLS]
+    tls:
-    ca = "dockerCA"
+      ca: dockerCA
-    cert = "dockerCert"
+      cert: dockerCert
-    key = "dockerKey"
+      key: dockerKey
-    insecureSkipVerify = true
+      insecureSkipVerify: true
 ```
 
-```toml tab="Resulting Obfuscated Configuration"
+```yaml tab="Resulting Obfuscated Configuration"
-[entryPoints]
+entryPoints:
-  [entryPoints.web]
+  web:
-    address = ":80"
+  address: ":80"
 
-[api]
+api: {}
 
-[providers.docker]
+providers:
-  endpoint = "xxxx"
+  docker:
-  exposedByDefault = true
+    endpoint: "xxxx"
-  swarmMode = true
+    exposedByDefault: true
+    swarmMode: true
 
-  [providers.docker.TLS]
+    tls:
-    ca = "xxxx"
+      ca: xxxx
-    cert = "xxxx"
+      cert: xxxx
-    key = "xxxx"
+      key: xxxx
-    insecureSkipVerify = true
+      insecureSkipVerify: true
 ```
 
 ## The Code for Data Collection

docs/content/contributing/documentation.md

@@ -14,10 +14,10 @@ This [documentation](https://doc.traefik.io/traefik/) is built with [mkdocs](htt
 
 ### Method 1: `Docker` and `make`
 
-You can build the documentation and test it locally (with live reloading), using the `docs` target:
+You can build the documentation and test it locally (with live reloading), using the `docs-serve` target:
 
 ```bash
-$ make docs
+$ make docs-serve
 docker build -t traefik-docs -f docs.Dockerfile .
 # […]
 docker run  --rm -v /home/user/go/github/traefik/traefik:/mkdocs -p 8000:8000 traefik-docs mkdocs serve
@@ -82,17 +82,19 @@ Running ["HtmlCheck", "ImageCheck", "ScriptCheck", "LinkCheck"] on /app/site/bas
 
 !!! note "Clean & Verify"
 
-    If you've made changes to the documentation, it's safter to clean it before verifying it. 
+    If you've made changes to the documentation, it's safter to clean it before verifying it.
 
     ```bash
-    $ make docs-clean docs-verify
+    $ make docs
     ...
     ```
 
+    Will perform all necessary steps for you.
+
 !!! note "Disabling Documentation Verification"
 
     Verification can be disabled by setting the environment variable `DOCS_VERIFY_SKIP` to `true`:
-    
+
     ```shell
     DOCS_VERIFY_SKIP=true make docs-verify
     ...

docs/content/contributing/maintainers-guidelines.md

@@ -0,0 +1,129 @@
+# The Maintainers Guidelines
+
+![Maintainers Guidelines](../assets/img/maintainers-guidelines.png)
+
+Note: the document is a work in progress.
+
+Welcome to the Traefik Community.
+This document describes how to be part of the core team
+as well as various responsibilities
+and guidelines for Traefik maintainers.
+We are strongly promoting a philosophy of openness and sharing,
+and firmly standing against the elitist closed approach.
+Being part of the core team should be accessible to anyone motivated
+and wants to be part of that journey!
+
+## Onboarding process
+
+If you consider joining our community please drop us a line using Twitter or leave a note in the issue.
+We will schedule a quick call to meet you and learn more about your motivation.
+During the call, the team will discuss the process of becoming a maintainer.
+We will be happy to answer any questions and explain all your doubts.
+
+## Maintainers requirements
+
+Note: you do not have to meet all the listed requirements,
+but must have achieved several.
+
+- Enabled [2FA](https://docs.github.com/en/github/authenticating-to-github/securing-your-account-with-two-factor-authentication-2fa/configuring-two-factor-authentication) on your Github account
+- The contributor has opened and successfully run medium to large PR’s in the past 6 months.
+- The contributor has participated in multiple code reviews of other PR’s,
+  including those of other maintainers and contributors.
+- The contributor showed a consistent pattern of helpful, non-threatening, and friendly behavior towards other community members in the past.
+- The contributor is active on Traefik Community forums
+  or other technical forums/boards such as K8S slack, Reddit, StackOverflow, hacker news.
+- Have read and accepted the contributor guidelines.
+
+## Maintainers responsibilities and privileges
+
+There are lots of areas where you can contribute to the project,
+but we can suggest you start with activities such as:
+
+- PR reviewing.
+    - According to our guidelines we require you have at least 3 reviewers,
+      thus you can review a PR and leave the relevant comment if it is necessary.
+- Participating in a daily [issue triage](https://github.com/traefik/contributors-guide/blob/master/issue_triage.md).
+    - The process helps to understand and prioritize the reported issue according to its importance and severity.
+      This is crucial to learn how our users implement Traefik.
+      Each of the issues that are labeled as bug/possible bug/confirmed requires a reproducible use case. 
+      You can help in creating a reproducible use case if it has not been added to the issue
+      or use the sample code provided by the reporter.
+      Typically, a simple docker compose should be enough to reproduce the issue.
+- Code contribution.
+- Documentation contribution.
+    - Technical documentation is one of the most important components of the product.
+      The ability to set up a testing environment in a few minutes,
+      using the official documentation,
+      is a game changer.
+- You will be listed on our Maintainers Github page
+  as well as on our website in the section [maintainers](maintainers.md).
+- We will be promoting you on social channels (mostly on Twitter).
+
+## Governance
+
+- Roadmap meetings on a regular basis where all maintainers are welcome.
+
+## Communicating
+
+- All of our maintainers are added to Slack #traefik-maintainers channel that belongs to Traefik labs workspace.
+  Having the team in one place helps us to communicate effectively. 
+  You can reach Traefik core developers directly,
+  which offers the possibility to discuss issues, pull requests, enhancements more efficiently
+  and get the feedback almost immediately.
+  Fewer blockers mean more fun and engaging work.
+
+- On a daily basis, we publish a report that includes all the activities performed during the day.
+  You are updated in regard to the workload that has been processed including:
+  working on the new features and enhancements,
+  activities related to the reported issues and PR’s,
+  other important project-related announcements.
+
+- At 5:00 PM CET every day we review all the created issues that have been reported,
+  assign them the appropriate *[labels](maintainers.md#labels)*
+  and prioritize them based on the severity of the problem.
+  The process is called *[issue triaging](https://github.com/traefik/contributors-guide/blob/master/issue_triage.md)*.
+  Each of the maintainers is welcome to join the meeting.
+  For that purpose, we use a dedicated Discord server
+  where you are invited once you have become the official maintainer.
+
+## Maintainers Activity
+
+In order to keep the core team efficient and dynamic,
+maintainers' activity and involvement will be reviewed on a regular basis.
+
+- Has the maintainer engaged with the team and the community by meeting two or more of these benchmarks in the past six months?
+    - Has the maintainer participated in at least two or three maintainer meetings?
+    - Substantial review of at least one or two PRs from either contributors or maintainers.
+    - Opened at least one or two bug fixes or feature request PRs
+      that were eventually merged (or on a trajectory for merge).
+    - Substantial participation in the Help Wanted program (answered questions, helped identify issues, applied guidelines from the Help Wanted guide to open issues).
+    - Substantial participation with the community in general.
+
+- Has the maintainer shown a consistent pattern of helpful,
+  non-threatening,
+  and friendly behavior towards other people on the maintainer team and with our community?
+
+## Additional comments for (not only) maintainers
+
+- Be able to put yourself in users’ shoes.
+- Be open-minded and respectful with other maintainers and other community members.
+- Keep the communication public - 
+  if anyone tries to communicate with you directly,
+  ask him politely to move the conversation to a public communication channel.
+- Stay away from defensive comments.
+- Please try to express your thoughts clearly enough
+  and note that some of us are not native English speakers.
+  Try to rephrase your sentences, avoiding mental shortcuts;
+  none of us is able to predict your thoughts.
+- There are a lot of use cases of using Traefik
+  and even more issues that are difficult to reproduce.
+  If the issue can’t be replicated due to a lack of reproducible case (a simple docker compose should be enough) - 
+  set your time limits while working on the issue
+  and express clearly that you were not able to replicate it.
+  You can come back later to that case.
+- Be proactive.
+- Emoji are fine,
+  but if you express yourself clearly enough they are not necessary.
+  They will not replace good communication.
+- Embrace mentorship.
+- Keep in mind that we all have the same intent to improve the project.

docs/content/contributing/maintainers.md

@@ -20,6 +20,10 @@
 * Kevin Pollet [@kevinpollet](https://github.com/kevinpollet)
 * Harold Ozouf [@jspdown](https://github.com/jspdown)
 
+## Maintainers guidelines
+
+Please read the [maintainers guidelines](maintainers-guidelines.md)
+
 ## Issue Triage
 
 Issues and PRs are triaged daily and the process for triaging may be found under [triaging issues](https://github.com/traefik/contributors-guide/blob/master/issue_triage.md) in our [contributors guide repository](https://github.com/traefik/contributors-guide).

docs/content/getting-started/configuration-overview.md

@@ -13,13 +13,13 @@ Configuration in Traefik can refer to two different things:
 Elements in the _static configuration_ set up connections to [providers](../providers/overview.md) and define the [entrypoints](../routing/entrypoints.md) Traefik will listen to (these elements don't change often).
 
 The _dynamic configuration_ contains everything that defines how the requests are handled by your system.
-This configuration can change and is seamlessly hot-reloaded, without any request interruption or connection loss.    
+This configuration can change and is seamlessly hot-reloaded, without any request interruption or connection loss.
 
 !!! warning "Incompatible Configuration"
     Please be aware that the old configurations for Traefik v1.x are NOT compatible with the v2.x config as of now.
     If you are running v2, please ensure you are using a v2 configuration.
 
-## The Dynamic Configuration 
+## The Dynamic Configuration
 
 Traefik gets its _dynamic configuration_ from [providers](../providers/overview.md): whether an orchestrator, a service registry, or a plain old configuration file.
 
@@ -28,11 +28,11 @@ Since this configuration is specific to your infrastructure choices, we invite y
 !!! info ""
 
     In the [Quick Start example](../getting-started/quick-start.md), the dynamic configuration comes from docker in the form of labels attached to your containers.
-    
+
 !!! info "HTTPS Certificates also belong to the dynamic configuration."
-    
+
-    You can add / update / remove them without restarting your Traefik instance. 
+    You can add / update / remove them without restarting your Traefik instance.
- 
+
 ## The Static Configuration
 
 There are three different, **mutually exclusive** (i.e. you can use only one at the same time), ways to define static configuration options in Traefik:
@@ -45,13 +45,13 @@ These ways are evaluated in the order listed above.
 
 If no value was provided for a given option, a default value applies.
 Moreover, if an option has sub-options, and any of these sub-options is not specified, a default value will apply as well.
-    
+
 For example, the `--providers.docker` option is enough by itself to enable the docker provider, even though sub-options like `--providers.docker.endpoint` exist.
 Once positioned, this option sets (and resets) all the default values of the sub-options of `--providers.docker`.
-    
+
 ### Configuration File
 
-At startup, Traefik searches for a file named `traefik.toml` (or `traefik.yml` or `traefik.yaml`) in:
+At startup, Traefik searches for a file named `traefik.yml` (or `traefik.yaml` or `traefik.toml`) in:
 
 - `/etc/traefik/`
 - `$XDG_CONFIG_HOME/`
@@ -61,7 +61,7 @@ At startup, Traefik searches for a file named `traefik.toml` (or `traefik.yml` o
 You can override this using the `configFile` argument.
 
 ```bash
-traefik --configFile=foo/bar/myconfigfile.toml
+traefik --configFile=foo/bar/myconfigfile.yml
 ```
 
 ### Arguments

docs/content/getting-started/faq.md

@@ -0,0 +1,126 @@
+# FAQ
+
+## Why is Traefik Answering `XXX` HTTP Response Status Code?
+
+Traefik is a dynamic reverse proxy,
+and while the documentation often demonstrates configuration options through file examples,
+the core feature of Traefik is its dynamic configurability,
+directly reacting to changes from providers over time.
+
+Notably, a part of the configuration is [static](../configuration-overview/#the-static-configuration),
+and can be provided by a file on startup, whereas various providers,
+such as the file provider,
+contribute dynamically all along the traefik instance lifetime to its [dynamic configuration](../configuration-overview/#the-dynamic-configuration) changes.
+
+In addition, the configuration englobes concepts such as the EntryPoint which can be seen as a listener on the Transport Layer (TCP),
+as apposed to the Router which is more about the Presentation (TLS) and Application layers (HTTP).
+And there can be as many routers as one wishes for a given EntryPoint.
+
+In other words, for a given Entrypoint,
+at any given time the traffic seen is not bound to be just about one protocol.
+It could be HTTP, or otherwise. Over TLS, or not.
+Not to mention that dynamic configuration changes potentially make that kind of traffic vary over time.
+
+Therefore, in this dynamic context,
+the static configuration of an `entryPoint` does not give any hint whatsoever about how the traffic going through that `entryPoint` is going to be routed.
+Or whether it's even going to be routed at all,
+i.e. whether there is a Router matching the kind of traffic going through it.
+
+### `404 Not found`
+
+Traefik returns a `404` response code in the following situations:
+
+- A request reaching an EntryPoint that has no Routers
+- An HTTP request reaching an EntryPoint that has no HTTP Router
+- An HTTPS request reaching an EntryPoint that has no HTTPS Router
+- A request reaching an EntryPoint that has HTTP/HTTPS Routers that cannot be matched
+
+From Traefik's point of view,
+every time a request cannot be matched with a router the correct response code is a `404 Not found`.
+
+In this situation, the response code is not a `503 Service Unavailable`
+because Traefik is not able to confirm that the lack of a matching router for a request is only temporary.
+Traefik's routing configuration is dynamic and aggregated from different providers,
+hence it's not possible to assume at any moment that a specific route should be handled or not.
+
+??? info "This behavior is consistent with rfc7231"
+
+    ```txt
+    The server is currently unable to handle the request due to a
+    temporary overloading or maintenance of the server. The implication
+    is that this is a temporary condition which will be alleviated after
+    some delay. If known, the length of the delay MAY be indicated in a
+    Retry-After header. If no Retry-After is given, the client SHOULD
+    handle the response as it would for a 500 response.
+
+        Note: The existence of the 503 status code does not imply that a
+        server must use it when becoming overloaded. Some servers may wish
+        to simply refuse the connection.
+    ```
+
+    Extract from [rfc7231#section-6.6.4](https://datatracker.ietf.org/doc/html/rfc7231#section-6.6.4).
+
+### `502 Bad Gateway`
+
+Traefik returns a `502` response code when an error happens while contacting the upstream service.
+
+### `503 Service Unavailable`
+
+Traefik returns a `503` response code when a Router has been matched
+but there are no servers ready to handle the request.
+
+This situation is encountered when a service has been explicitly configured without servers,
+or when a service has healthcheck enabled and all servers are unhealthy.
+
+### `XXX` Instead of `404`
+
+Sometimes, the `404` response code doesn't play well with other parties or services (such as CDNs).
+
+In these situations, you may want Traefik to always reply with a `503` response code,
+instead of a `404` response code.
+
+To achieve this behavior, a simple catchall router,
+with the lowest possible priority and routing to a service without servers,
+can handle all the requests when no other router has been matched.
+
+The example below is a file provider only version (`yaml`) of what this configuration could look like:
+
+```yaml tab="Static configuration"
+# traefik.yml
+
+entrypoints:
+  web:
+    address: :80
+
+providers:
+  file:
+    filename: dynamic.yaml
+```
+
+```yaml tab="Dynamic configuration"
+# dynamic.yaml
+
+http:
+  routers:
+    catchall:
+      # attached only to web entryPoint
+      entryPoints:
+        - "web"
+      # catchall rule
+      rule: "PathPrefix(`/`)"
+      service: unavailable
+      # lowest possible priority
+      # evaluated when no other router is matched
+      priority: 1
+
+  services:
+    # Service that will always answer a 503 Service Unavailable response
+    unavailable:
+      loadBalancer:
+        servers: {}
+```
+
+!!! info "Dedicated service"
+    If there is a need for a response code other than a `503` and/or a custom message,
+    the principle of the above example above (a catchall router) still stands,
+    but the `unavailable` service should be adapted to fit such a need.

docs/content/getting-started/install-traefik.md

@@ -11,12 +11,12 @@ You can install Traefik with the following flavors:
 
 Choose one of the [official Docker images](https://hub.docker.com/_/traefik) and run it with one sample configuration file:
 
-* [TOML](https://raw.githubusercontent.com/traefik/traefik/v2.4/traefik.sample.toml)
 * [YAML](https://raw.githubusercontent.com/traefik/traefik/v2.4/traefik.sample.yml)
+* [TOML](https://raw.githubusercontent.com/traefik/traefik/v2.4/traefik.sample.toml)
 
 ```bash
 docker run -d -p 8080:8080 -p 80:80 \
-    -v $PWD/traefik.toml:/etc/traefik/traefik.toml traefik:v2.4
+    -v $PWD/traefik.yml:/etc/traefik/traefik.yml traefik:v2.4
 ```
 
 For more details, go to the [Docker provider documentation](../providers/docker.md)
@@ -31,8 +31,8 @@ For more details, go to the [Docker provider documentation](../providers/docker.
 ## Use the Helm Chart
 
 !!! warning
-    
+
-    The Traefik Chart from 
+    The Traefik Chart from
     [Helm's default charts repository](https://github.com/helm/charts/tree/master/stable/traefik) is still using [Traefik v1.7](https://doc.traefik.io/traefik/v1.7).
 
 Traefik can be installed in Kubernetes using the Helm chart from <https://github.com/traefik/traefik-helm-chart>.
@@ -61,7 +61,7 @@ helm install traefik traefik/traefik
 ```
 
 !!! tip "Helm Features"
-    
+
     All [Helm features](https://helm.sh/docs/intro/using_helm/) are supported.
     For instance, installing the chart in a dedicated namespace:
 
@@ -73,30 +73,30 @@ helm install traefik traefik/traefik
     ```
 
 ??? example "Installing with Custom Values"
-    
+
     You can customize the installation by specifying custom values,
     as with [any helm chart](https://helm.sh/docs/intro/using_helm/#customizing-the-chart-before-installing).
     {: #helm-custom-values }
-    
+
     The values are not (yet) documented, but are self-explanatory:
     you can look at the [default `values.yaml`](https://github.com/traefik/traefik-helm-chart/blob/master/traefik/values.yaml) file to explore possibilities.
-    
+
     You can also set Traefik command line flags using `additionalArguments`.
     Example of installation with logging set to `DEBUG`:
-    
+
     ```bash tab="Using Helm CLI"
     helm install --namespace=traefik-v2 \
         --set="additionalArguments={--log.level=DEBUG}" \
         traefik traefik/traefik
     ```
-    
+
     ```yml tab="With a custom values file"
     # File custom-values.yml
     ## Install with "helm install --values=./custom-values.yml traefik traefik/traefik
     additionalArguments:
       - "--log.level=DEBUG"
     ```
-    
+
 ### Exposing the Traefik dashboard
 
 This HelmChart does not expose the Traefik dashboard by default, for security concerns.

docs/content/https/acme.md

@@ -13,7 +13,7 @@ You can configure Traefik to use an ACME provider (like Let's Encrypt) for autom
 
 ## Certificate Resolvers
 
-Traefik requires you to define "Certificate Resolvers" in the [static configuration](../getting-started/configuration-overview.md#the-static-configuration), 
+Traefik requires you to define "Certificate Resolvers" in the [static configuration](../getting-started/configuration-overview.md#the-static-configuration),
 which are responsible for retrieving certificates from an ACME server.
 
 Then, each ["router"](../routing/routers/index.md) is configured to enable TLS,
@@ -26,33 +26,33 @@ You can read more about this retrieval mechanism in the following section: [ACME
 !!! important "Defining a certificates resolver does not result in all routers automatically using it. Each router that is supposed to use the resolver must [reference](../routing/routers/index.md#certresolver) it."
 
 ??? note "Configuration Reference"
-    
+
     There are many available options for ACME.
     For a quick glance at what's possible, browse the configuration reference:
-    
+
-    ```toml tab="File (TOML)"
-    --8<-- "content/https/ref-acme.toml"
-    ```
-    
     ```yaml tab="File (YAML)"
     --8<-- "content/https/ref-acme.yaml"
     ```
-    
+
+    ```toml tab="File (TOML)"
+    --8<-- "content/https/ref-acme.toml"
+    ```
+
     ```bash tab="CLI"
     --8<-- "content/https/ref-acme.txt"
     ```
 
 ## Domain Definition
 
-Certificate resolvers request certificates for a set of the domain names 
+Certificate resolvers request certificates for a set of the domain names
 inferred from routers, with the following logic:
 
 - If the router has a [`tls.domains`](../routing/routers/index.md#domains) option set,
   then the certificate resolver uses the `main` (and optionally `sans`) option of `tls.domains` to know the domain names for this router.
 
-- If no [`tls.domains`](../routing/routers/index.md#domains) option is set, 
+- If no [`tls.domains`](../routing/routers/index.md#domains) option is set,
-  then the certificate resolver uses the [router's rule](../routing/routers/index.md#rule), 
+  then the certificate resolver uses the [router's rule](../routing/routers/index.md#rule),
-  by checking the `Host()` matchers. 
+  by checking the `Host()` matchers.
   Please note that [multiple `Host()` matchers can be used](../routing/routers/index.md#certresolver)) for specifying multiple domain names for this router.
 
 Please note that:
@@ -69,31 +69,15 @@ Please check the [configuration examples below](#configuration-examples) for mor
 ## Configuration Examples
 
 ??? example "Enabling ACME"
-    
+
-    ```toml tab="File (TOML)"
-    [entryPoints]
-      [entryPoints.web]
-        address = ":80"
-    
-      [entryPoints.websecure]
-        address = ":443"
-    
-    [certificatesResolvers.myresolver.acme]
-      email = "your-email@example.com"
-      storage = "acme.json"
-      [certificatesResolvers.myresolver.acme.httpChallenge]
-        # used during the challenge
-        entryPoint = "web"
-    ```
-    
     ```yaml tab="File (YAML)"
     entryPoints:
       web:
         address: ":80"
-    
+
       websecure:
         address: ":443"
-    
+
     certificatesResolvers:
       myresolver:
         acme:
@@ -103,7 +87,23 @@ Please check the [configuration examples below](#configuration-examples) for mor
             # used during the challenge
             entryPoint: web
     ```
-    
+
+    ```toml tab="File (TOML)"
+    [entryPoints]
+      [entryPoints.web]
+        address = ":80"
+
+      [entryPoints.websecure]
+        address = ":443"
+
+    [certificatesResolvers.myresolver.acme]
+      email = "your-email@example.com"
+      storage = "acme.json"
+      [certificatesResolvers.myresolver.acme.httpChallenge]
+        # used during the challenge
+        entryPoint = "web"
+    ```
+
     ```bash tab="CLI"
     --entrypoints.web.address=:80
     --entrypoints.websecure.address=:443
@@ -117,23 +117,23 @@ Please check the [configuration examples below](#configuration-examples) for mor
 !!! important "Defining a certificates resolver does not result in all routers automatically using it. Each router that is supposed to use the resolver must [reference](../routing/routers/index.md#certresolver) it."
 
 ??? example "Single Domain from Router's Rule Example"
-    
+
     * A certificate for the domain `example.com` is requested:
 
     --8<-- "content/https/include-acme-single-domain-example.md"
 
 ??? example "Multiple Domains from Router's Rule Example"
- 
+
     * A certificate for the domains `example.com` (main) and `blog.example.org`
       is requested:
-    
+
     --8<-- "content/https/include-acme-multiple-domains-from-rule-example.md"
-    
+
 ??? example "Multiple Domains from Router's `tls.domain` Example"
 
     * A certificate for the domains `example.com` (main) and `*.example.org` (SAN)
       is requested:
-      
+
     --8<-- "content/https/include-acme-multiple-domains-example.md"
 
 ## Automatic Renewals
@@ -165,12 +165,6 @@ when using the `TLS-ALPN-01` challenge, Traefik must be reachable by Let's Encry
 
 ??? example "Configuring the `tlsChallenge`"
 
-    ```toml tab="File (TOML)"
-    [certificatesResolvers.myresolver.acme]
-      # ...
-      [certificatesResolvers.myresolver.acme.tlsChallenge]
-    ```
-
     ```yaml tab="File (YAML)"
     certificatesResolvers:
       myresolver:
@@ -178,7 +172,13 @@ when using the `TLS-ALPN-01` challenge, Traefik must be reachable by Let's Encry
           # ...
           tlsChallenge: {}
     ```
-    
+
+    ```toml tab="File (TOML)"
+    [certificatesResolvers.myresolver.acme]
+      # ...
+      [certificatesResolvers.myresolver.acme.tlsChallenge]
+    ```
+
     ```bash tab="CLI"
     # ...
     --certificatesresolvers.myresolver.acme.tlschallenge=true
@@ -193,28 +193,14 @@ when using the `HTTP-01` challenge, `certificatesresolvers.myresolver.acme.httpc
 
 ??? example "Using an EntryPoint Called web for the `httpChallenge`"
 
-    ```toml tab="File (TOML)"
-    [entryPoints]
-      [entryPoints.web]
-        address = ":80"
-      
-      [entryPoints.websecure]
-        address = ":443"
-    
-    [certificatesResolvers.myresolver.acme]
-      # ...
-      [certificatesResolvers.myresolver.acme.httpChallenge]
-        entryPoint = "web"
-    ```
-
     ```yaml tab="File (YAML)"
     entryPoints:
       web:
         address: ":80"
-    
+
       websecure:
         address: ":443"
-    
+
     certificatesResolvers:
       myresolver:
         acme:
@@ -222,7 +208,21 @@ when using the `HTTP-01` challenge, `certificatesresolvers.myresolver.acme.httpc
           httpChallenge:
             entryPoint: web
     ```
-    
+
+    ```toml tab="File (TOML)"
+    [entryPoints]
+      [entryPoints.web]
+        address = ":80"
+
+      [entryPoints.websecure]
+        address = ":443"
+
+    [certificatesResolvers.myresolver.acme]
+      # ...
+      [certificatesResolvers.myresolver.acme.httpChallenge]
+        entryPoint = "web"
+    ```
+
     ```bash tab="CLI"
     --entrypoints.web.address=:80
     --entrypoints.websecure.address=:443
@@ -239,15 +239,6 @@ Use the `DNS-01` challenge to generate and renew ACME certificates by provisioni
 
 ??? example "Configuring a `dnsChallenge` with the DigitalOcean Provider"
 
-    ```toml tab="File (TOML)"
-    [certificatesResolvers.myresolver.acme]
-      # ...
-      [certificatesResolvers.myresolver.acme.dnsChallenge]
-        provider = "digitalocean"
-        delayBeforeCheck = 0
-    # ...
-    ```
-    
     ```yaml tab="File (YAML)"
     certificatesResolvers:
       myresolver:
@@ -258,7 +249,16 @@ Use the `DNS-01` challenge to generate and renew ACME certificates by provisioni
             delayBeforeCheck: 0
         # ...
     ```
-    
+
+    ```toml tab="File (TOML)"
+    [certificatesResolvers.myresolver.acme]
+      # ...
+      [certificatesResolvers.myresolver.acme.dnsChallenge]
+        provider = "digitalocean"
+        delayBeforeCheck = 0
+    # ...
+    ```
+
     ```bash tab="CLI"
     # ...
     --certificatesresolvers.myresolver.acme.dnschallenge.provider=digitalocean
@@ -270,7 +270,7 @@ Use the `DNS-01` challenge to generate and renew ACME certificates by provisioni
         A `provider` is mandatory.
 
 #### `providers`
- 
+
 Here is a list of supported `providers`, that can automate the DNS verification,
 along with the required environment variables and their [wildcard & root domain support](#wildcard-domains).
 Do not hesitate to complete it.
@@ -323,6 +323,7 @@ For complete details, refer to your provider's _Additional configuration_ link.
 | HTTP request                                                | `httpreq`      | `HTTPREQ_ENDPOINT`, `HTTPREQ_MODE`, `HTTPREQ_USERNAME`, `HTTPREQ_PASSWORD` [^1]                                                             | [Additional configuration](https://go-acme.github.io/lego/dns/httpreq)      |
 | [HyperOne](https://www.hyperone.com)                        | `hyperone`     | `HYPERONE_PASSPORT_LOCATION`, `HYPERONE_LOCATION_ID`                                                                                        | [Additional configuration](https://go-acme.github.io/lego/dns/hyperone)     |
 | [IIJ](https://www.iij.ad.jp/)                               | `iij`          | `IIJ_API_ACCESS_KEY`, `IIJ_API_SECRET_KEY`, `IIJ_DO_SERVICE_CODE`                                                                           | [Additional configuration](https://go-acme.github.io/lego/dns/iij)          |
+| [Infoblox](https://www.infoblox.com/)                       | `infoblox`     | `INFOBLOX_USER`, `INFOBLOX_PASSWORD`, `INFOBLOX_HOST`                                                                                       | [Additional configuration](https://go-acme.github.io/lego/dns/infoblox)     |
 | [Infomaniak](https://www.infomaniak.com)                    | `infomaniak`   | `INFOMANIAK_ACCESS_TOKEN`                                                                                                                   | [Additional configuration](https://go-acme.github.io/lego/dns/infomaniak)   |
 | [INWX](https://www.inwx.de/en)                              | `inwx`         | `INWX_USERNAME`, `INWX_PASSWORD`                                                                                                            | [Additional configuration](https://go-acme.github.io/lego/dns/inwx)         |
 | [ionos](https://ionos.com/)                                 | `ionos`        | `IONOS_API_KEY`                                                                                                                             | [Additional configuration](https://go-acme.github.io/lego/dns/ionos)        |
@@ -347,6 +348,7 @@ For complete details, refer to your provider's _Additional configuration_ link.
 | [OVH](https://www.ovh.com)                                  | `ovh`          | `OVH_ENDPOINT`, `OVH_APPLICATION_KEY`, `OVH_APPLICATION_SECRET`, `OVH_CONSUMER_KEY`                                                         | [Additional configuration](https://go-acme.github.io/lego/dns/ovh)          |
 | [Openstack Designate](https://docs.openstack.org/designate) | `designate`    | `OS_AUTH_URL`, `OS_USERNAME`, `OS_PASSWORD`, `OS_TENANT_NAME`, `OS_REGION_NAME`                                                             | [Additional configuration](https://go-acme.github.io/lego/dns/designate)    |
 | [Oracle Cloud](https://cloud.oracle.com/home)               | `oraclecloud`  | `OCI_COMPARTMENT_OCID`, `OCI_PRIVKEY_FILE`, `OCI_PRIVKEY_PASS`, `OCI_PUBKEY_FINGERPRINT`, `OCI_REGION`, `OCI_TENANCY_OCID`, `OCI_USER_OCID` | [Additional configuration](https://go-acme.github.io/lego/dns/oraclecloud)  |
+| [Porkbun](https://porkbun.com/)                             | `porkbun`      | `PORKBUN_SECRET_API_KEY`, `PORKBUN_API_KEY`                                                                                                 | [Additional configuration](https://go-acme.github.io/lego/dns/porkbun)      |
 | [PowerDNS](https://www.powerdns.com)                        | `pdns`         | `PDNS_API_KEY`, `PDNS_API_URL`                                                                                                              | [Additional configuration](https://go-acme.github.io/lego/dns/pdns)         |
 | [Rackspace](https://www.rackspace.com/cloud/dns)            | `rackspace`    | `RACKSPACE_USER`, `RACKSPACE_API_KEY`                                                                                                       | [Additional configuration](https://go-acme.github.io/lego/dns/rackspace)    |
 | [reg.ru](https://www.reg.ru)                                | `regru`        | `REGRU_USERNAME`, `REGRU_PASSWORD`                                                                                                          | [Additional configuration](https://go-acme.github.io/lego/dns/regru)        |
@@ -357,12 +359,16 @@ For complete details, refer to your provider's _Additional configuration_ link.
 | [Scaleway](https://www.scaleway.com)                        | `scaleway`     | `SCALEWAY_API_TOKEN`                                                                                                                        | [Additional configuration](https://go-acme.github.io/lego/dns/scaleway)     |
 | [Selectel](https://selectel.ru/en/)                         | `selectel`     | `SELECTEL_API_TOKEN`                                                                                                                        | [Additional configuration](https://go-acme.github.io/lego/dns/selectel)     |
 | [Servercow](https://servercow.de)                           | `servercow`    | `SERVERCOW_USERNAME`, `SERVERCOW_PASSWORD`                                                                                                  | [Additional configuration](https://go-acme.github.io/lego/dns/servercow)    |
+| [Simply.com](https://www.simply.com/en/domains/)            | `simply`       | `SIMPLY_ACCOUNT_NAME`, `SIMPLY_API_KEY`                                                                                                     | [Additional configuration](https://go-acme.github.io/lego/dns/simply)       |
+| [Sonic](https://www.sonic.com/)                             | `sonic`        | `SONIC_USER_ID`, `SONIC_API_KEY`                                                                                                            | [Additional configuration](https://go-acme.github.io/lego/dns/sonic)        |
 | [Stackpath](https://www.stackpath.com/)                     | `stackpath`    | `STACKPATH_CLIENT_ID`, `STACKPATH_CLIENT_SECRET`, `STACKPATH_STACK_ID`                                                                      | [Additional configuration](https://go-acme.github.io/lego/dns/stackpath)    |
 | [TransIP](https://www.transip.nl/)                          | `transip`      | `TRANSIP_ACCOUNT_NAME`, `TRANSIP_PRIVATE_KEY_PATH`                                                                                          | [Additional configuration](https://go-acme.github.io/lego/dns/transip)      |
 | [VegaDNS](https://github.com/shupp/VegaDNS-API)             | `vegadns`      | `SECRET_VEGADNS_KEY`, `SECRET_VEGADNS_SECRET`, `VEGADNS_URL`                                                                                | [Additional configuration](https://go-acme.github.io/lego/dns/vegadns)      |
 | [Versio](https://www.versio.nl/domeinnamen)                 | `versio`       | `VERSIO_USERNAME`, `VERSIO_PASSWORD`                                                                                                        | [Additional configuration](https://go-acme.github.io/lego/dns/versio)       |
+| [VinylDNS](https://www.vinyldns.io)                         | `vinyldns`     | `VINYLDNS_ACCESS_KEY`, `VINYLDNS_SECRET_KEY`, `VINYLDNS_HOST`                                                                               | [Additional configuration](https://go-acme.github.io/lego/dns/vinyldns)     |
 | [Vscale](https://vscale.io/)                                | `vscale`       | `VSCALE_API_TOKEN`                                                                                                                          | [Additional configuration](https://go-acme.github.io/lego/dns/vscale)       |
 | [VULTR](https://www.vultr.com)                              | `vultr`        | `VULTR_API_KEY`                                                                                                                             | [Additional configuration](https://go-acme.github.io/lego/dns/vultr)        |
+| [WEDOS](https://www.wedos.com)                              | `wedos`        | `WEDOS_USERNAME`, `WEDOS_WAPI_PASSWORD`                                                                                                     | [Additional configuration](https://go-acme.github.io/lego/dns/wedos)        |
 | [Yandex](https://yandex.com)                                | `yandex`       | `YANDEX_PDD_TOKEN`                                                                                                                          | [Additional configuration](https://go-acme.github.io/lego/dns/yandex)       |
 | [Zone.ee](https://www.zone.ee)                              | `zoneee`       | `ZONEEE_API_USER`, `ZONEEE_API_KEY`                                                                                                         | [Additional configuration](https://go-acme.github.io/lego/dns/zoneee)       |
 | [Zonomi](https://zonomi.com)                                | `zonomi`       | `ZONOMI_API_KEY`                                                                                                                            | [Additional configuration](https://go-acme.github.io/lego/dns/zonomi)       |
@@ -382,14 +388,6 @@ For complete details, refer to your provider's _Additional configuration_ link.
 
 Use custom DNS servers to resolve the FQDN authority.
 
-```toml tab="File (TOML)"
-[certificatesResolvers.myresolver.acme]
-  # ...
-  [certificatesResolvers.myresolver.acme.dnsChallenge]
-    # ...
-    resolvers = ["1.1.1.1:53", "8.8.8.8:53"]
-```
-
 ```yaml tab="File (YAML)"
 certificatesResolvers:
   myresolver:
@@ -402,6 +400,14 @@ certificatesResolvers:
           - "8.8.8.8:53"
 ```
 
+```toml tab="File (TOML)"
+[certificatesResolvers.myresolver.acme]
+  # ...
+  [certificatesResolvers.myresolver.acme.dnsChallenge]
+    # ...
+    resolvers = ["1.1.1.1:53", "8.8.8.8:53"]
+```
+
 ```bash tab="CLI"
 # ...
 --certificatesresolvers.myresolver.acme.dnschallenge.resolvers=1.1.1.1:53,8.8.8.8:53
@@ -417,14 +423,6 @@ As described in [Let's Encrypt's post](https://community.letsencrypt.org/t/stagi
 - `kid`: Key identifier from External CA
 - `hmacEncoded`: HMAC key from External CA, should be in Base64 URL Encoding without padding format
 
-```toml tab="File (TOML)"
-[certificatesResolvers.myresolver.acme]
-  # ...
-  [certificatesResolvers.myresolver.acme.eab]
-    kid = "abc-keyID-xyz"
-    hmacEncoded = "abc-hmac-xyz"
-```
-
 ```yaml tab="File (YAML)"
 certificatesResolvers:
   myresolver:
@@ -435,6 +433,14 @@ certificatesResolvers:
         hmacEncoded: abc-hmac-xyz
 ```
 
+```toml tab="File (TOML)"
+[certificatesResolvers.myresolver.acme]
+  # ...
+  [certificatesResolvers.myresolver.acme.eab]
+    kid = "abc-keyID-xyz"
+    hmacEncoded = "abc-hmac-xyz"
+```
+
 ```bash tab="CLI"
 # ...
 --certificatesresolvers.myresolver.acme.eab.kid=abc-keyID-xyz
@@ -454,13 +460,6 @@ The CA server to use:
 
 ??? example "Using the Let's Encrypt staging server"
 
-    ```toml tab="File (TOML)"
-    [certificatesResolvers.myresolver.acme]
-      # ...
-      caServer = "https://acme-staging-v02.api.letsencrypt.org/directory"
-      # ...
-    ```
-    
     ```yaml tab="File (YAML)"
     certificatesResolvers:
       myresolver:
@@ -470,6 +469,13 @@ The CA server to use:
           # ...
     ```
 
+    ```toml tab="File (TOML)"
+    [certificatesResolvers.myresolver.acme]
+      # ...
+      caServer = "https://acme-staging-v02.api.letsencrypt.org/directory"
+      # ...
+    ```
+
     ```bash tab="CLI"
     # ...
     --certificatesresolvers.myresolver.acme.caserver=https://acme-staging-v02.api.letsencrypt.org/directory
@@ -482,13 +488,6 @@ _Required, Default="acme.json"_
 
 The `storage` option sets the location where your ACME certificates are saved to.
 
-```toml tab="File (TOML)"
-[certificatesResolvers.myresolver.acme]
-  # ...
-  storage = "acme.json"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 certificatesResolvers:
   myresolver:
@@ -498,6 +497,13 @@ certificatesResolvers:
       # ...
 ```
 
+```toml tab="File (TOML)"
+[certificatesResolvers.myresolver.acme]
+  # ...
+  storage = "acme.json"
+  # ...
+```
+
 ```bash tab="CLI"
 # ...
 --certificatesresolvers.myresolver.acme.storage=acme.json
@@ -528,13 +534,6 @@ Preferred chain to use.
 If the CA offers multiple certificate chains, prefer the chain with an issuer matching this Subject Common Name.
 If no match, the default offered chain will be used.
 
-```toml tab="File (TOML)"
-[certificatesResolvers.myresolver.acme]
-  # ...
-  preferredChain = "ISRG Root X1"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 certificatesResolvers:
   myresolver:
@@ -544,6 +543,13 @@ certificatesResolvers:
       # ...
 ```
 
+```toml tab="File (TOML)"
+[certificatesResolvers.myresolver.acme]
+  # ...
+  preferredChain = "ISRG Root X1"
+  # ...
+```
+
 ```bash tab="CLI"
 # ...
 --certificatesresolvers.myresolver.acme.preferredChain="ISRG Root X1"
@@ -556,13 +562,6 @@ _Optional, Default="RSA4096"_
 
 KeyType used for generating certificate private key. Allow value 'EC256', 'EC384', 'RSA2048', 'RSA4096', 'RSA8192'.
 
-```toml tab="File (TOML)"
-[certificatesResolvers.myresolver.acme]
-  # ...
-  keyType = "RSA4096"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 certificatesResolvers:
   myresolver:
@@ -572,6 +571,13 @@ certificatesResolvers:
       # ...
 ```
 
+```toml tab="File (TOML)"
+[certificatesResolvers.myresolver.acme]
+  # ...
+  keyType = "RSA4096"
+  # ...
+```
+
 ```bash tab="CLI"
 # ...
 --certificatesresolvers.myresolver.acme.keyType="RSA4096"

docs/content/https/include-acme-multiple-domains-example.md

@@ -64,18 +64,6 @@ labels:
   - traefik.http.routers.blog.tls.domains[0].sans=*.example.org
 ```
 
-```toml tab="File (TOML)"
-## Dynamic configuration
-[http.routers]
-  [http.routers.blog]
-    rule = "Host(`example.com`) && Path(`/blog`)"
-    [http.routers.blog.tls]
-      certResolver = "myresolver" # From static configuration
-      [[http.routers.blog.tls.domains]]
-        main = "example.org"
-        sans = ["*.example.org"]
-```
-
 ```yaml tab="File (YAML)"
 ## Dynamic configuration
 http:
@@ -89,3 +77,15 @@ http:
             sans:
               - "*.example.org"
 ```
+
+```toml tab="File (TOML)"
+## Dynamic configuration
+[http.routers]
+  [http.routers.blog]
+    rule = "Host(`example.com`) && Path(`/blog`)"
+    [http.routers.blog.tls]
+      certResolver = "myresolver" # From static configuration
+      [[http.routers.blog.tls.domains]]
+        main = "example.org"
+        sans = ["*.example.org"]
+```

docs/content/https/include-acme-multiple-domains-from-rule-example.md

@@ -52,15 +52,6 @@ labels:
   - traefik.http.routers.blog.tls.certresolver=myresolver
 ```
 
-```toml tab="File (TOML)"
-## Dynamic configuration
-[http.routers]
-  [http.routers.blog]
-    rule = "(Host(`example.com`) && Path(`/blog`)) || Host(`blog.example.org`)"
-    [http.routers.blog.tls]
-      certResolver = "myresolver"
-```
-
 ```yaml tab="File (YAML)"
 ## Dynamic configuration
 http:
@@ -70,3 +61,12 @@ http:
       tls:
         certResolver: myresolver
 ```
+
+```toml tab="File (TOML)"
+## Dynamic configuration
+[http.routers]
+  [http.routers.blog]
+    rule = "(Host(`example.com`) && Path(`/blog`)) || Host(`blog.example.org`)"
+    [http.routers.blog.tls]
+      certResolver = "myresolver"
+```

docs/content/https/include-acme-single-domain-example.md

@@ -52,15 +52,6 @@ labels:
   - traefik.http.routers.blog.tls.certresolver=myresolver
 ```
 
-```toml tab="File (TOML)"
-## Dynamic configuration
-[http.routers]
-  [http.routers.blog]
-  rule = "Host(`example.com`) && Path(`/blog`)"
-  [http.routers.blog.tls]
-    certResolver = "myresolver"
-```
-
 ```yaml tab="File (YAML)"
 ## Dynamic configuration
 http:
@@ -70,3 +61,12 @@ http:
       tls:
         certResolver: myresolver
 ```
+
+```toml tab="File (TOML)"
+## Dynamic configuration
+[http.routers]
+  [http.routers.blog]
+  rule = "Host(`example.com`) && Path(`/blog`)"
+  [http.routers.blog.tls]
+    certResolver = "myresolver"
+```

docs/content/https/tls.md

@@ -13,18 +13,6 @@ See the [Let's Encrypt](./acme.md) page.
 
 To add / remove TLS certificates, even when Traefik is already running, their definition can be added to the [dynamic configuration](../getting-started/configuration-overview.md), in the `[[tls.certificates]]` section:
 
-```toml tab="File (TOML)"
-# Dynamic configuration
-
-[[tls.certificates]]
-  certFile = "/path/to/domain.cert"
-  keyFile = "/path/to/domain.key"
-
-[[tls.certificates]]
-  certFile = "/path/to/other-domain.cert"
-  keyFile = "/path/to/other-domain.key"
-```
-
 ```yaml tab="File (YAML)"
 # Dynamic configuration
 
@@ -36,23 +24,28 @@ tls:
       keyFile: /path/to/other-domain.key
 ```
 
+```toml tab="File (TOML)"
+# Dynamic configuration
+
+[[tls.certificates]]
+  certFile = "/path/to/domain.cert"
+  keyFile = "/path/to/domain.key"
+
+[[tls.certificates]]
+  certFile = "/path/to/other-domain.cert"
+  keyFile = "/path/to/other-domain.key"
+```
+
 !!! important "Restriction"
 
     In the above example, we've used the [file provider](../providers/file.md) to handle these definitions.
     It is the only available method to configure the certificates (as well as the options and the stores).
-    However, in [Kubernetes](../providers/kubernetes-crd.md), the certificates can and must be provided by [secrets](https://kubernetes.io/docs/concepts/configuration/secret/). 
+    However, in [Kubernetes](../providers/kubernetes-crd.md), the certificates can and must be provided by [secrets](https://kubernetes.io/docs/concepts/configuration/secret/).
 
 ## Certificates Stores
 
 In Traefik, certificates are grouped together in certificates stores, which are defined as such:
 
-```toml tab="File (TOML)"
-# Dynamic configuration
-
-[tls.stores]
-  [tls.stores.default]
-```
-
 ```yaml tab="File (YAML)"
 # Dynamic configuration
 
@@ -61,6 +54,13 @@ tls:
     default: {}
 ```
 
+```toml tab="File (TOML)"
+# Dynamic configuration
+
+[tls.stores]
+  [tls.stores.default]
+```
+
 !!! important "Restriction"
 
     Any store definition other than the default one (named `default`) will be ignored,
@@ -68,21 +68,6 @@ tls:
 
 In the `tls.certificates` section, a list of stores can then be specified to indicate where the certificates should be stored:
 
-```toml tab="File (TOML)"
-# Dynamic configuration
-
-[[tls.certificates]]
-  certFile = "/path/to/domain.cert"
-  keyFile = "/path/to/domain.key"
-  stores = ["default"]
-
-[[tls.certificates]]
-  # Note that since no store is defined,
-  # the certificate below will be stored in the `default` store.
-  certFile = "/path/to/other-domain.cert"
-  keyFile = "/path/to/other-domain.key"
-```
-
 ```yaml tab="File (YAML)"
 # Dynamic configuration
 
@@ -98,6 +83,21 @@ tls:
       keyFile: /path/to/other-domain.key
 ```
 
+```toml tab="File (TOML)"
+# Dynamic configuration
+
+[[tls.certificates]]
+  certFile = "/path/to/domain.cert"
+  keyFile = "/path/to/domain.key"
+  stores = ["default"]
+
+[[tls.certificates]]
+  # Note that since no store is defined,
+  # the certificate below will be stored in the `default` store.
+  certFile = "/path/to/other-domain.cert"
+  keyFile = "/path/to/other-domain.key"
+```
+
 !!! important "Restriction"
 
     The `stores` list will actually be ignored and automatically set to `["default"]`.
@@ -107,16 +107,6 @@ tls:
 Traefik can use a default certificate for connections without a SNI, or without a matching domain.
 This default certificate should be defined in a TLS store:
 
-```toml tab="File (TOML)"
-# Dynamic configuration
-
-[tls.stores]
-  [tls.stores.default]
-    [tls.stores.default.defaultCertificate]
-      certFile = "path/to/cert.crt"
-      keyFile  = "path/to/cert.key"
-```
-
 ```yaml tab="File (YAML)"
 # Dynamic configuration
 
@@ -128,6 +118,16 @@ tls:
         keyFile: path/to/cert.key
 ```
 
+```toml tab="File (TOML)"
+# Dynamic configuration
+
+[tls.stores]
+  [tls.stores.default]
+    [tls.stores.default.defaultCertificate]
+      certFile = "path/to/cert.crt"
+      keyFile  = "path/to/cert.key"
+```
+
 If no default certificate is provided, Traefik generates and uses a self-signed certificate.
 
 ## TLS Options
@@ -155,18 +155,6 @@ The TLS options allow one to configure some parameters of the TLS connection.
 
 ### Minimum TLS Version
 
-```toml tab="File (TOML)"
-# Dynamic configuration
-
-[tls.options]
-
-  [tls.options.default]
-    minVersion = "VersionTLS12"
-
-  [tls.options.mintls13]
-    minVersion = "VersionTLS13"
-```
-
 ```yaml tab="File (YAML)"
 # Dynamic configuration
 
@@ -179,6 +167,18 @@ tls:
       minVersion: VersionTLS13
 ```
 
+```toml tab="File (TOML)"
+# Dynamic configuration
+
+[tls.options]
+
+  [tls.options.default]
+    minVersion = "VersionTLS12"
+
+  [tls.options.mintls13]
+    minVersion = "VersionTLS13"
+```
+
 ```yaml tab="Kubernetes"
 apiVersion: traefik.containo.us/v1alpha1
 kind: TLSOption
@@ -206,18 +206,6 @@ We discourage the use of this setting to disable TLS1.3.
 
 The recommended approach is to update the clients to support TLS1.3.
 
-```toml tab="File (TOML)"
-# Dynamic configuration
-
-[tls.options]
-
-  [tls.options.default]
-    maxVersion = "VersionTLS13"
-
-  [tls.options.maxtls12]
-    maxVersion = "VersionTLS12"
-```
-
 ```yaml tab="File (YAML)"
 # Dynamic configuration
 
@@ -230,6 +218,18 @@ tls:
       maxVersion: VersionTLS12
 ```
 
+```toml tab="File (TOML)"
+# Dynamic configuration
+
+[tls.options]
+
+  [tls.options.default]
+    maxVersion = "VersionTLS13"
+
+  [tls.options.maxtls12]
+    maxVersion = "VersionTLS12"
+```
+
 ```yaml tab="Kubernetes"
 apiVersion: traefik.containo.us/v1alpha1
 kind: TLSOption
@@ -255,16 +255,6 @@ spec:
 
 See [cipherSuites](https://godoc.org/crypto/tls#pkg-constants) for more information.
 
-```toml tab="File (TOML)"
-# Dynamic configuration
-
-[tls.options]
-  [tls.options.default]
-    cipherSuites = [
-      "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"
-    ]
-```
-
 ```yaml tab="File (YAML)"
 # Dynamic configuration
 
@@ -275,6 +265,16 @@ tls:
         - TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
 ```
 
+```toml tab="File (TOML)"
+# Dynamic configuration
+
+[tls.options]
+  [tls.options.default]
+    cipherSuites = [
+      "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"
+    ]
+```
+
 ```yaml tab="Kubernetes"
 apiVersion: traefik.containo.us/v1alpha1
 kind: TLSOption
@@ -301,14 +301,6 @@ The names of the curves defined by [`crypto`](https://godoc.org/crypto/tls#Curve
 
 See [CurveID](https://godoc.org/crypto/tls#CurveID) for more information.
 
-```toml tab="File (TOML)"
-# Dynamic configuration
-
-[tls.options]
-  [tls.options.default]
-    curvePreferences = ["CurveP521", "CurveP384"]
-```
-
 ```yaml tab="File (YAML)"
 # Dynamic configuration
 
@@ -320,6 +312,14 @@ tls:
         - CurveP384
 ```
 
+```toml tab="File (TOML)"
+# Dynamic configuration
+
+[tls.options]
+  [tls.options.default]
+    curvePreferences = ["CurveP521", "CurveP384"]
+```
+
 ```yaml tab="Kubernetes"
 apiVersion: traefik.containo.us/v1alpha1
 kind: TLSOption
@@ -338,14 +338,6 @@ spec:
 With strict SNI checking enabled, Traefik won't allow connections from clients
 that do not specify a server_name extension or don't match any certificate configured on the tlsOption.
 
-```toml tab="File (TOML)"
-# Dynamic configuration
-
-[tls.options]
-  [tls.options.default]
-    sniStrict = true
-```
-
 ```yaml tab="File (YAML)"
 # Dynamic configuration
 
@@ -355,6 +347,14 @@ tls:
       sniStrict: true
 ```
 
+```toml tab="File (TOML)"
+# Dynamic configuration
+
+[tls.options]
+  [tls.options.default]
+    sniStrict = true
+```
+
 ```yaml tab="Kubernetes"
 apiVersion: traefik.containo.us/v1alpha1
 kind: TLSOption
@@ -371,14 +371,6 @@ spec:
 This option allows the server to choose its most preferred cipher suite instead of the client's.
 Please note that this is enabled automatically when `minVersion` or `maxVersion` are set.
 
-```toml tab="File (TOML)"
-# Dynamic configuration
-
-[tls.options]
-  [tls.options.default]
-    preferServerCipherSuites = true
-```
-
 ```yaml tab="File (YAML)"
 # Dynamic configuration
 
@@ -388,6 +380,14 @@ tls:
       preferServerCipherSuites: true
 ```
 
+```toml tab="File (TOML)"
+# Dynamic configuration
+
+[tls.options]
+  [tls.options.default]
+    preferServerCipherSuites = true
+```
+
 ```yaml tab="Kubernetes"
 apiVersion: traefik.containo.us/v1alpha1
 kind: TLSOption
@@ -404,25 +404,14 @@ spec:
 Traefik supports mutual authentication, through the `clientAuth` section.
 
 For authentication policies that require verification of the client certificate, the certificate authority for the certificate should be set in `clientAuth.caFiles`.
- 
+
 The `clientAuth.clientAuthType` option governs the behaviour as follows:
 
 - `NoClientCert`: disregards any client certificate.
 - `RequestClientCert`: asks for a certificate but proceeds anyway if none is provided.
 - `RequireAnyClientCert`: requires a certificate but does not verify if it is signed by a CA listed in `clientAuth.caFiles`.
 - `VerifyClientCertIfGiven`: if a certificate is provided, verifies if it is signed by a CA listed in `clientAuth.caFiles`. Otherwise proceeds without any certificate.
-- `RequireAndVerifyClientCert`: requires a certificate, which must be signed by a CA listed in `clientAuth.caFiles`. 
+- `RequireAndVerifyClientCert`: requires a certificate, which must be signed by a CA listed in `clientAuth.caFiles`.
-
-```toml tab="File (TOML)"
-# Dynamic configuration
-
-[tls.options]
-  [tls.options.default]
-    [tls.options.default.clientAuth]
-      # in PEM format. each file can contain multiple CAs.
-      caFiles = ["tests/clientca1.crt", "tests/clientca2.crt"]
-      clientAuthType = "RequireAndVerifyClientCert"
-```
 
 ```yaml tab="File (YAML)"
 # Dynamic configuration
@@ -438,6 +427,17 @@ tls:
         clientAuthType: RequireAndVerifyClientCert
 ```
 
+```toml tab="File (TOML)"
+# Dynamic configuration
+
+[tls.options]
+  [tls.options.default]
+    [tls.options.default.clientAuth]
+      # in PEM format. each file can contain multiple CAs.
+      caFiles = ["tests/clientca1.crt", "tests/clientca2.crt"]
+      clientAuthType = "RequireAndVerifyClientCert"
+```
+
 ```yaml tab="Kubernetes"
 apiVersion: traefik.containo.us/v1alpha1
 kind: TLSOption

docs/content/middlewares/http/addprefix.md

@@ -1,9 +1,9 @@
 # Add Prefix
 
-Prefixing the Path 
+Prefixing the Path
 {: .subtitle }
 
-![AddPrefix](../../assets/img/middleware/addprefix.png) 
+![AddPrefix](../../assets/img/middleware/addprefix.png)
 
 The AddPrefix middleware updates the path of a request before forwarding it.
 
@@ -43,13 +43,6 @@ labels:
   - "traefik.http.middlewares.add-foo.addprefix.prefix=/foo"
 ```
 
-```toml tab="File (TOML)"
-# Prefixing with /foo
-[http.middlewares]
-  [http.middlewares.add-foo.addPrefix]
-    prefix = "/foo"
-```
-
 ```yaml tab="File (YAML)"
 # Prefixing with /foo
 http:
@@ -59,6 +52,13 @@ http:
         prefix: "/foo"
 ```
 
+```toml tab="File (TOML)"
+# Prefixing with /foo
+[http.middlewares]
+  [http.middlewares.add-foo.addPrefix]
+    prefix = "/foo"
+```
+
 ## Configuration Options
 
 ### `prefix`

docs/content/middlewares/http/basicauth.md

@@ -48,16 +48,6 @@ labels:
   - "traefik.http.middlewares.test-auth.basicauth.users=test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"
 ```
 
-```toml tab="File (TOML)"
-# Declaring the user list
-[http.middlewares]
-  [http.middlewares.test-auth.basicAuth]
-  users = [
-    "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/", 
-    "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
-  ]
-```
-
 ```yaml tab="File (YAML)"
 # Declaring the user list
 http:
@@ -65,17 +55,27 @@ http:
     test-auth:
       basicAuth:
         users:
-          - "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/" 
+          - "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/"
           - "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"
 ```
 
+```toml tab="File (TOML)"
+# Declaring the user list
+[http.middlewares]
+  [http.middlewares.test-auth.basicAuth]
+  users = [
+    "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/",
+    "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
+  ]
+```
+
 ## Configuration Options
 
 ### General
 
 Passwords must be hashed using MD5, SHA1, or BCrypt.
 
-!!! tip 
+!!! tip
 
     Use `htpasswd` to generate the passwords.
 
@@ -84,7 +84,7 @@ Passwords must be hashed using MD5, SHA1, or BCrypt.
 The `users` option is an array of authorized users. Each user must be declared using the `name:hashed-password` format.
 
 !!! note ""
-    
+
     - If both `users` and `usersFile` are provided, the two are merged. The contents of `usersFile` have precedence over the values in `users`.
     - For security reasons, the field `users` doesn't exist for Kubernetes IngressRoute, and one should use the `secret` field instead.
 
@@ -142,16 +142,6 @@ labels:
   - "traefik.http.middlewares.test-auth.basicauth.users=test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"
 ```
 
-```toml tab="File (TOML)"
-# Declaring the user list
-[http.middlewares]
-  [http.middlewares.test-auth.basicAuth]
-    users = [
-      "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/", 
-      "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
-    ]
-```
-
 ```yaml tab="File (YAML)"
 # Declaring the user list
 http:
@@ -159,10 +149,20 @@ http:
     test-auth:
       basicAuth:
         users:
-          - "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/" 
+          - "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/"
           - "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"
 ```
 
+```toml tab="File (TOML)"
+# Declaring the user list
+[http.middlewares]
+  [http.middlewares.test-auth.basicAuth]
+    users = [
+      "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/",
+      "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
+    ]
+```
+
 ### `usersFile`
 
 The `usersFile` option is the path to an external file that contains the authorized users for the middleware.
@@ -170,9 +170,9 @@ The `usersFile` option is the path to an external file that contains the authori
 The file content is a list of `name:hashed-password`.
 
 !!! note ""
-    
+
     - If both `users` and `usersFile` are provided, the two are merged. The contents of `usersFile` have precedence over the values in `users`.
-    - Because it does not make much sense to refer to a file path on Kubernetes, the `usersFile` field doesn't exist for Kubernetes IngressRoute, and one should use the `secret` field instead. 
+    - Because it does not make much sense to refer to a file path on Kubernetes, the `usersFile` field doesn't exist for Kubernetes IngressRoute, and one should use the `secret` field instead.
 
 ```yaml tab="Docker"
 labels:
@@ -216,12 +216,6 @@ labels:
   - "traefik.http.middlewares.test-auth.basicauth.usersfile=/path/to/my/usersfile"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.basicAuth]
-    usersFile = "/path/to/my/usersfile"
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -230,6 +224,12 @@ http:
         usersFile: "/path/to/my/usersfile"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.basicAuth]
+    usersFile = "/path/to/my/usersfile"
+```
+
 ??? example "A file containing test/test and test2/test2"
 
     ```txt
@@ -239,7 +239,7 @@ http:
 
 ### `realm`
 
-You can customize the realm for the authentication with the `realm` option. The default value is `traefik`. 
+You can customize the realm for the authentication with the `realm` option. The default value is `traefik`.
 
 ```yaml tab="Docker"
 labels:
@@ -271,12 +271,6 @@ labels:
   - "traefik.http.middlewares.test-auth.basicauth.realm=MyRealm"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.basicAuth]
-    realm = "MyRealm"
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -285,6 +279,12 @@ http:
         realm: "MyRealm"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.basicAuth]
+    realm = "MyRealm"
+```
+
 ### `headerField`
 
 You can define a header field to store the authenticated user using the `headerField`option.
@@ -315,12 +315,6 @@ spec:
 }
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares.my-auth.basicAuth]
-  # ...
-  headerField = "X-WebAuth-User"
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -330,6 +324,12 @@ http:
         headerField: "X-WebAuth-User"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares.my-auth.basicAuth]
+  # ...
+  headerField = "X-WebAuth-User"
+```
+
 ### `removeHeader`
 
 Set the `removeHeader` option to `true` to remove the authorization header before forwarding the request to your service. (Default value is `false`.)
@@ -364,12 +364,6 @@ labels:
   - "traefik.http.middlewares.test-auth.basicauth.removeheader=true"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.basicAuth]
-    removeHeader = true
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -377,3 +371,9 @@ http:
       basicAuth:
         removeHeader: true
 ```
+
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.basicAuth]
+    removeHeader = true
+```

docs/content/middlewares/http/buffering.md

@@ -47,13 +47,6 @@ labels:
   - "traefik.http.middlewares.limit.buffering.maxRequestBodyBytes=2000000"
 ```
 
-```toml tab="File (TOML)"
-# Sets the maximum request body to 2MB
-[http.middlewares]
-  [http.middlewares.limit.buffering]
-    maxRequestBodyBytes = 2000000
-```
-
 ```yaml tab="File (YAML)"
 # Sets the maximum request body to 2MB
 http:
@@ -63,6 +56,13 @@ http:
         maxRequestBodyBytes: 2000000
 ```
 
+```toml tab="File (TOML)"
+# Sets the maximum request body to 2MB
+[http.middlewares]
+  [http.middlewares.limit.buffering]
+    maxRequestBodyBytes = 2000000
+```
+
 ## Configuration Options
 
 ### `maxRequestBodyBytes`
@@ -101,12 +101,6 @@ labels:
   - "traefik.http.middlewares.limit.buffering.maxRequestBodyBytes=2000000"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.limit.buffering]
-    maxRequestBodyBytes = 2000000
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -115,6 +109,12 @@ http:
         maxRequestBodyBytes: 2000000
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.limit.buffering]
+    maxRequestBodyBytes = 2000000
+```
+
 ### `memRequestBodyBytes`
 
 You can configure a threshold (in bytes) from which the request will be buffered on disk instead of in memory with the `memRequestBodyBytes` option.
@@ -149,12 +149,6 @@ labels:
   - "traefik.http.middlewares.limit.buffering.memRequestBodyBytes=2000000"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.limit.buffering]
-    memRequestBodyBytes = 2000000
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -163,6 +157,12 @@ http:
         memRequestBodyBytes: 2000000
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.limit.buffering]
+    memRequestBodyBytes = 2000000
+```
+
 ### `maxResponseBodyBytes`
 
 The `maxResponseBodyBytes` option configures the maximum allowed response size from the service (in bytes).
@@ -199,12 +199,6 @@ labels:
   - "traefik.http.middlewares.limit.buffering.maxResponseBodyBytes=2000000"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.limit.buffering]
-    maxResponseBodyBytes = 2000000
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -213,6 +207,12 @@ http:
         maxResponseBodyBytes: 2000000
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.limit.buffering]
+    maxResponseBodyBytes = 2000000
+```
+
 ### `memResponseBodyBytes`
 
 You can configure a threshold (in bytes) from which the response will be buffered on disk instead of in memory with the `memResponseBodyBytes` option.
@@ -247,12 +247,6 @@ labels:
   - "traefik.http.middlewares.limit.buffering.memResponseBodyBytes=2000000"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.limit.buffering]
-    memResponseBodyBytes = 2000000
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -261,17 +255,23 @@ http:
         memResponseBodyBytes: 2000000
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.limit.buffering]
+    memResponseBodyBytes = 2000000
+```
+
 ### `retryExpression`
 
 You can have the Buffering middleware replay the request using `retryExpression`.
 
 ??? example "Retries once in the case of a network error"
-    
+
     ```yaml tab="Docker"
     labels:
       - "traefik.http.middlewares.limit.buffering.retryExpression=IsNetworkError() && Attempts() < 2"
     ```
-    
+
     ```yaml tab="Kubernetes"
     apiVersion: traefik.containo.us/v1alpha1
     kind: Middleware
@@ -281,28 +281,22 @@ You can have the Buffering middleware replay the request using `retryExpression`
       buffering:
         retryExpression: "IsNetworkError() && Attempts() < 2"
     ```
-    
+
     ```yaml tab="Consul Catalog"
     - "traefik.http.middlewares.limit.buffering.retryExpression=IsNetworkError() && Attempts() < 2"
     ```
-        
+
     ```json tab="Marathon"
     "labels": {
       "traefik.http.middlewares.limit.buffering.retryExpression": "IsNetworkError() && Attempts() < 2"
     }
     ```
-    
+
     ```yaml tab="Rancher"
     labels:
       - "traefik.http.middlewares.limit.buffering.retryExpression=IsNetworkError() && Attempts() < 2"
     ```
-    
+
-    ```toml tab="File (TOML)"
-    [http.middlewares]
-      [http.middlewares.limit.buffering]
-        retryExpression = "IsNetworkError() && Attempts() < 2"
-    ```
-    
     ```yaml tab="File (YAML)"
     http:
       middlewares:
@@ -311,6 +305,12 @@ You can have the Buffering middleware replay the request using `retryExpression`
             retryExpression: "IsNetworkError() && Attempts() < 2"
     ```
 
+    ```toml tab="File (TOML)"
+    [http.middlewares]
+      [http.middlewares.limit.buffering]
+        retryExpression = "IsNetworkError() && Attempts() < 2"
+    ```
+
 The retry expression is defined as a logical combination of the functions below with the operators AND (`&&`) and OR (`||`). At least one function is required:
 
 - `Attempts()` number of attempts (the first one counts)

docs/content/middlewares/http/chain.md

@@ -117,34 +117,6 @@ labels:
   - "traefik.http.services.service1.loadbalancer.server.port=80"
 ```
 
-```toml tab="File (TOML)"
-# ...    
-[http.routers]
-  [http.routers.router1]
-    service = "service1"
-    middlewares = ["secured"]
-    rule = "Host(`mydomain`)"
-
-[http.middlewares]
-  [http.middlewares.secured.chain]
-    middlewares = ["https-only", "known-ips", "auth-users"]
-
-  [http.middlewares.auth-users.basicAuth]
-    users = ["test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/"]
-
-  [http.middlewares.https-only.redirectScheme]
-    scheme = "https"
-
-  [http.middlewares.known-ips.ipWhiteList]
-    sourceRange = ["192.168.1.7", "127.0.0.1/32"]
-
-[http.services]
-  [http.services.service1]
-    [http.services.service1.loadBalancer]
-      [[http.services.service1.loadBalancer.servers]]
-        url = "http://127.0.0.1:80"
-```
-
 ```yaml tab="File (YAML)"
 # ...
 http:
@@ -184,3 +156,31 @@ http:
         servers:
           - url: "http://127.0.0.1:80"
 ```
+
+```toml tab="File (TOML)"
+# ...
+[http.routers]
+  [http.routers.router1]
+    service = "service1"
+    middlewares = ["secured"]
+    rule = "Host(`mydomain`)"
+
+[http.middlewares]
+  [http.middlewares.secured.chain]
+    middlewares = ["https-only", "known-ips", "auth-users"]
+
+  [http.middlewares.auth-users.basicAuth]
+    users = ["test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/"]
+
+  [http.middlewares.https-only.redirectScheme]
+    scheme = "https"
+
+  [http.middlewares.known-ips.ipWhiteList]
+    sourceRange = ["192.168.1.7", "127.0.0.1/32"]
+
+[http.services]
+  [http.services.service1]
+    [http.services.service1.loadBalancer]
+      [[http.services.service1.loadBalancer.servers]]
+        url = "http://127.0.0.1:80"
+```

docs/content/middlewares/http/circuitbreaker.md

@@ -59,13 +59,6 @@ labels:
   - "traefik.http.middlewares.latency-check.circuitbreaker.expression=LatencyAtQuantileMS(50.0) > 100"
 ```
 
-```toml tab="File (TOML)"
-# Latency Check
-[http.middlewares]
-  [http.middlewares.latency-check.circuitBreaker]
-    expression = "LatencyAtQuantileMS(50.0) > 100"
-```
-
 ```yaml tab="File (YAML)"
 # Latency Check
 http:
@@ -75,6 +68,13 @@ http:
         expression: "LatencyAtQuantileMS(50.0) > 100"
 ```
 
+```toml tab="File (TOML)"
+# Latency Check
+[http.middlewares]
+  [http.middlewares.latency-check.circuitBreaker]
+    expression = "LatencyAtQuantileMS(50.0) > 100"
+```
+
 ## Possible States
 
 There are three possible states for your circuit breaker:

docs/content/middlewares/http/compress.md

@@ -42,12 +42,6 @@ labels:
   - "traefik.http.middlewares.test-compress.compress=true"
 ```
 
-```toml tab="File (TOML)"
-# Enable gzip compression
-[http.middlewares]
-  [http.middlewares.test-compress.compress]
-```
-
 ```yaml tab="File (YAML)"
 # Enable gzip compression
 http:
@@ -56,6 +50,12 @@ http:
       compress: {}
 ```
 
+```toml tab="File (TOML)"
+# Enable gzip compression
+[http.middlewares]
+  [http.middlewares.test-compress.compress]
+```
+
 !!! info
 
     Responses are compressed when the following criteria are all met:
@@ -108,12 +108,6 @@ labels:
   - "traefik.http.middlewares.test-compress.compress.excludedcontenttypes=text/event-stream"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-compress.compress]
-    excludedContentTypes = ["text/event-stream"]
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -122,3 +116,9 @@ http:
         excludedContentTypes:
           - text/event-stream
 ```
+
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-compress.compress]
+    excludedContentTypes = ["text/event-stream"]
+```

docs/content/middlewares/http/contenttype.md

@@ -1,4 +1,3 @@
-
 # ContentType
 
 Handling Content-Type auto-detection
@@ -62,13 +61,6 @@ labels:
   - "traefik.http.middlewares.autodetect.contenttype.autodetect=false"
 ```
 
-```toml tab="File (TOML)"
-# Disable auto-detection
-[http.middlewares]
-  [http.middlewares.autodetect.contentType]
-     autoDetect=false
-```
-
 ```yaml tab="File (YAML)"
 # Disable auto-detection
 http:
@@ -78,6 +70,13 @@ http:
         autoDetect: false
 ```
 
+```toml tab="File (TOML)"
+# Disable auto-detection
+[http.middlewares]
+  [http.middlewares.autodetect.contentType]
+     autoDetect=false
+```
+
 ## Configuration Options
 
 ### `autoDetect`

docs/content/middlewares/http/digestauth.md

@@ -43,16 +43,6 @@ labels:
   - "traefik.http.middlewares.test-auth.digestauth.users=test:traefik:a2688e031edb4be6a3797f3882655c05,test2:traefik:518845800f9e2bfb1f1f740ec24f074e"
 ```
 
-```toml tab="File (TOML)"
-# Declaring the user list
-[http.middlewares]
-  [http.middlewares.test-auth.digestAuth]
-    users = [
-      "test:traefik:a2688e031edb4be6a3797f3882655c05",
-      "test2:traefik:518845800f9e2bfb1f1f740ec24f074e",
-    ]
-```
-
 ```yaml tab="File (YAML)"
 # Declaring the user list
 http:
@@ -64,6 +54,16 @@ http:
           - "test2:traefik:518845800f9e2bfb1f1f740ec24f074e"
 ```
 
+```toml tab="File (TOML)"
+# Declaring the user list
+[http.middlewares]
+  [http.middlewares.test-auth.digestAuth]
+    users = [
+      "test:traefik:a2688e031edb4be6a3797f3882655c05",
+      "test2:traefik:518845800f9e2bfb1f1f740ec24f074e",
+    ]
+```
+
 ## Configuration Options
 
 !!! tip
@@ -120,15 +120,6 @@ labels:
   - "traefik.http.middlewares.test-auth.digestauth.users=test:traefik:a2688e031edb4be6a3797f3882655c05,test2:traefik:518845800f9e2bfb1f1f740ec24f074e"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.digestAuth]
-    users = [
-      "test:traefik:a2688e031edb4be6a3797f3882655c05",
-      "test2:traefik:518845800f9e2bfb1f1f740ec24f074e",
-    ]
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -139,6 +130,15 @@ http:
           - "test2:traefik:518845800f9e2bfb1f1f740ec24f074e"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.digestAuth]
+    users = [
+      "test:traefik:a2688e031edb4be6a3797f3882655c05",
+      "test2:traefik:518845800f9e2bfb1f1f740ec24f074e",
+    ]
+```
+
 ### `usersFile`
 
 The `usersFile` option is the path to an external file that contains the authorized users for the middleware.
@@ -148,7 +148,7 @@ The file content is a list of `name:realm:encoded-password`.
 !!! note ""
 
     - If both `users` and `usersFile` are provided, the two are merged. The contents of `usersFile` have precedence over the values in `users`.
-    - Because it does not make much sense to refer to a file path on Kubernetes, the `usersFile` field doesn't exist for Kubernetes IngressRoute, and one should use the `secret` field instead. 
+    - Because it does not make much sense to refer to a file path on Kubernetes, the `usersFile` field doesn't exist for Kubernetes IngressRoute, and one should use the `secret` field instead.
 
 ```yaml tab="Docker"
 labels:
@@ -192,12 +192,6 @@ labels:
   - "traefik.http.middlewares.test-auth.digestauth.usersfile=/path/to/my/usersfile"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.digestAuth]
-    usersFile = "/path/to/my/usersfile"
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -206,6 +200,12 @@ http:
         usersFile: "/path/to/my/usersfile"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.digestAuth]
+    usersFile = "/path/to/my/usersfile"
+```
+
 ??? example "A file containing test/test and test2/test2"
 
     ```txt
@@ -247,12 +247,6 @@ labels:
   - "traefik.http.middlewares.test-auth.digestauth.realm=MyRealm"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.digestAuth]
-    realm = "MyRealm"
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -261,6 +255,12 @@ http:
         realm: "MyRealm"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.digestAuth]
+    realm = "MyRealm"
+```
+
 ### `headerField`
 
 You can customize the header field for the authenticated user using the `headerField`option.
@@ -296,12 +296,6 @@ labels:
   - "traefik.http.middlewares.my-auth.digestauth.headerField=X-WebAuth-User"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares.my-auth.digestAuth]
-  # ...
-  headerField = "X-WebAuth-User"
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -311,6 +305,12 @@ http:
         headerField: "X-WebAuth-User"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares.my-auth.digestAuth]
+  # ...
+  headerField = "X-WebAuth-User"
+```
+
 ### `removeHeader`
 
 Set the `removeHeader` option to `true` to remove the authorization header before forwarding the request to your service. (Default value is `false`.)
@@ -345,12 +345,6 @@ labels:
   - "traefik.http.middlewares.test-auth.digestauth.removeheader=true"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.digestAuth]
-    removeHeader = true
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -358,3 +352,9 @@ http:
       digestAuth:
         removeHeader: true
 ```
+
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.digestAuth]
+    removeHeader = true
+```

docs/content/middlewares/http/errorpages.md

@@ -58,18 +58,6 @@ labels:
   - "traefik.http.middlewares.test-errorpage.errors.query=/{status}.html"
 ```
 
-```toml tab="File (TOML)"
-# Custom Error Page for 5XX
-[http.middlewares]
-  [http.middlewares.test-errorpage.errors]
-    status = ["500-599"]
-    service = "serviceError"
-    query = "/{status}.html"
-
-[http.services]
-  # ... definition of error-handler-service and my-service
-```
-
 ```yaml tab="File (YAML)"
 # Custom Error Page for 5XX
 http:
@@ -81,6 +69,18 @@ http:
         service: serviceError
         query: "/{status}.html"
 
+  services:
+    # ... definition of error-handler-service and my-service
+```
+
+```toml tab="File (TOML)"
+# Custom Error Page for 5XX
+[http.middlewares]
+  [http.middlewares.test-errorpage.errors]
+    status = ["500-599"]
+    service = "serviceError"
+    query = "/{status}.html"
+
 [http.services]
   # ... definition of error-handler-service and my-service
 ```
@@ -99,7 +99,10 @@ The status code ranges are inclusive (`500-599` will trigger with every code bet
 
 !!! note ""
 
-    You can define either a status code as a number (`500`) or ranges by separating two codes with a dash (`500-599`).
+    You can define either a status code as a number (`500`),
+    as multiple comma-separated numbers (`500,502`),
+    as ranges by separating two codes with a dash (`500-599`),
+    or a combination of the two (`404,418,500-599`).
 
 ### `service`
 

docs/content/middlewares/http/forwardauth.md

@@ -45,13 +45,6 @@ labels:
   - "traefik.http.middlewares.test-auth.forwardauth.address=https://example.com/auth"
 ```
 
-```toml tab="File (TOML)"
-# Forward authentication to example.com
-[http.middlewares]
-  [http.middlewares.test-auth.forwardAuth]
-    address = "https://example.com/auth"
-```
-
 ```yaml tab="File (YAML)"
 # Forward authentication to example.com
 http:
@@ -61,6 +54,13 @@ http:
         address: "https://example.com/auth"
 ```
 
+```toml tab="File (TOML)"
+# Forward authentication to example.com
+[http.middlewares]
+  [http.middlewares.test-auth.forwardAuth]
+    address = "https://example.com/auth"
+```
+
 ## Forward-Request Headers
 
 The following request properties are provided to the forward-auth target endpoint as `X-Forwarded-` headers.
@@ -91,7 +91,7 @@ metadata:
   name: test-auth
 spec:
   forwardAuth:
-    address: https://example.com/auth 
+    address: https://example.com/auth
 ```
 
 ```yaml tab="Consul Catalog"
@@ -109,12 +109,6 @@ labels:
   - "traefik.http.middlewares.test-auth.forwardauth.address=https://example.com/auth"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.forwardAuth]
-    address = "https://example.com/auth"
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -123,6 +117,12 @@ http:
         address: "https://example.com/auth"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.forwardAuth]
+    address = "https://example.com/auth"
+```
+
 ### `trustForwardHeader`
 
 Set the `trustForwardHeader` option to `true` to trust all `X-Forwarded-*` headers.
@@ -158,13 +158,6 @@ labels:
   - "traefik.http.middlewares.test-auth.forwardauth.trustForwardHeader=true"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.forwardAuth]
-    address = "https://example.com/auth"
-    trustForwardHeader = true
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -174,6 +167,13 @@ http:
         trustForwardHeader: true
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.forwardAuth]
+    address = "https://example.com/auth"
+    trustForwardHeader = true
+```
+
 ### `authResponseHeaders`
 
 The `authResponseHeaders` option is the list of headers to copy from the authentication server response and set on
@@ -212,13 +212,6 @@ labels:
   - "traefik.http.middlewares.test-auth.forwardauth.authResponseHeaders=X-Auth-User, X-Secret"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.forwardAuth]
-    address = "https://example.com/auth"
-    authResponseHeaders = ["X-Auth-User", "X-Secret"]
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -230,6 +223,13 @@ http:
           - "X-Secret"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.forwardAuth]
+    address = "https://example.com/auth"
+    authResponseHeaders = ["X-Auth-User", "X-Secret"]
+```
+
 ### `authResponseHeadersRegex`
 
 The `authResponseHeadersRegex` option is the regex to match headers to copy from the authentication server response and
@@ -268,13 +268,6 @@ labels:
   - "traefik.http.middlewares.test-auth.forwardauth.authResponseHeadersRegex=^X-"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.forwardAuth]
-    address = "https://example.com/auth"
-    authResponseHeadersRegex = "^X-"
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -284,6 +277,13 @@ http:
         authResponseHeadersRegex: "^X-"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.forwardAuth]
+    address = "https://example.com/auth"
+    authResponseHeadersRegex = "^X-"
+```
+
 ### `authRequestHeaders`
 
 The `authRequestHeaders` option is the list of the headers to copy from the request to the authentication server.
@@ -323,13 +323,6 @@ labels:
   - "traefik.http.middlewares.test-auth.forwardauth.authRequestHeaders=Accept,X-CustomHeader"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.forwardAuth]
-    address = "https://example.com/auth"
-    authRequestHeaders = "Accept,X-CustomHeader"
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -341,6 +334,13 @@ http:
           - "X-CustomHeader"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.forwardAuth]
+    address = "https://example.com/auth"
+    authRequestHeaders = "Accept,X-CustomHeader"
+```
+
 ### `tls`
 
 The `tls` option is the TLS configuration from Traefik to the authentication server.
@@ -392,14 +392,6 @@ labels:
   - "traefik.http.middlewares.test-auth.forwardauth.tls.ca=path/to/local.crt"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.forwardAuth]
-    address = "https://example.com/auth"
-    [http.middlewares.test-auth.forwardAuth.tls]
-      ca = "path/to/local.crt"
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -410,6 +402,14 @@ http:
           ca: "path/to/local.crt"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.forwardAuth]
+    address = "https://example.com/auth"
+    [http.middlewares.test-auth.forwardAuth.tls]
+      ca = "path/to/local.crt"
+```
+
 #### `tls.caOptional`
 
 The value of `tls.caOptional` defines which policy should be used for the secure connection with TLS Client Authentication to the authentication server.
@@ -454,14 +454,6 @@ labels:
   - "traefik.http.middlewares.test-auth.forwardauth.tls.caOptional=true"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.forwardAuth]
-    address = "https://example.com/auth"
-    [http.middlewares.test-auth.forwardAuth.tls]
-      caOptional = true
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -472,6 +464,14 @@ http:
           caOptional: true
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.forwardAuth]
+    address = "https://example.com/auth"
+    [http.middlewares.test-auth.forwardAuth.tls]
+      caOptional = true
+```
+
 #### `tls.cert`
 
 The public certificate used for the secure connection to the authentication server.
@@ -523,15 +523,6 @@ labels:
   - "traefik.http.middlewares.test-auth.forwardauth.tls.key=path/to/foo.key"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.forwardAuth]
-    address = "https://example.com/auth"
-    [http.middlewares.test-auth.forwardAuth.tls]
-      cert = "path/to/foo.cert"
-      key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -543,6 +534,15 @@ http:
           key: "path/to/foo.key"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.forwardAuth]
+    address = "https://example.com/auth"
+    [http.middlewares.test-auth.forwardAuth.tls]
+      cert = "path/to/foo.cert"
+      key = "path/to/foo.key"
+```
+
 !!! info
 
     For security reasons, the field does not exist for Kubernetes IngressRoute, and one should use the `secret` field instead.
@@ -598,15 +598,6 @@ labels:
   - "traefik.http.middlewares.test-auth.forwardauth.tls.key=path/to/foo.key"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.forwardAuth]
-    address = "https://example.com/auth"
-    [http.middlewares.test-auth.forwardAuth.tls]
-      cert = "path/to/foo.cert"
-      key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -618,6 +609,15 @@ http:
           key: "path/to/foo.key"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.forwardAuth]
+    address = "https://example.com/auth"
+    [http.middlewares.test-auth.forwardAuth.tls]
+      cert = "path/to/foo.cert"
+      key = "path/to/foo.key"
+```
+
 !!! info
 
     For security reasons, the field does not exist for Kubernetes IngressRoute, and one should use the `secret` field instead.
@@ -658,14 +658,6 @@ labels:
   - "traefik.http.middlewares.test-auth.forwardauth.tls.InsecureSkipVerify=true"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-auth.forwardAuth]
-    address = "https://example.com/auth"
-    [http.middlewares.test-auth.forwardAuth.tls]
-      insecureSkipVerify: true
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -675,3 +667,11 @@ http:
         tls:
           insecureSkipVerify: true
 ```
+
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-auth.forwardAuth]
+    address = "https://example.com/auth"
+    [http.middlewares.test-auth.forwardAuth.tls]
+      insecureSkipVerify: true
+```

docs/content/middlewares/http/headers.md

@@ -50,15 +50,6 @@ labels:
   - "traefik.http.middlewares.testheader.headers.customresponseheaders.X-Custom-Response-Header=value"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.testHeader.headers]
-    [http.middlewares.testHeader.headers.customRequestHeaders]
-        X-Script-Name = "test"
-    [http.middlewares.testHeader.headers.customResponseHeaders]
-        X-Custom-Response-Header = "value"
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -70,6 +61,15 @@ http:
           X-Custom-Response-Header: "value"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.testHeader.headers]
+    [http.middlewares.testHeader.headers.customRequestHeaders]
+        X-Script-Name = "test"
+    [http.middlewares.testHeader.headers.customResponseHeaders]
+        X-Custom-Response-Header = "value"
+```
+
 ### Adding and Removing Headers
 
 In the following example, requests are proxied with an extra `X-Script-Name` header while their `X-Custom-Request-Header` header gets stripped,
@@ -78,6 +78,8 @@ and responses are stripped of their `X-Custom-Response-Header` header.
 ```yaml tab="Docker"
 labels:
   - "traefik.http.middlewares.testheader.headers.customrequestheaders.X-Script-Name=test"
+  - "traefik.http.middlewares.testheader.headers.customrequestheaders.X-Custom-Request-Header="
+  - "traefik.http.middlewares.testheader.headers.customresponseheaders.X-Custom-Response-Header="
 ```
 
 ```yaml tab="Kubernetes"
@@ -96,27 +98,23 @@ spec:
 
 ```yaml tab="Consul Catalog"
 - "traefik.http.middlewares.testheader.headers.customrequestheaders.X-Script-Name=test"
+- "traefik.http.middlewares.testheader.headers.customrequestheaders.X-Custom-Request-Header="
+- "traefik.http.middlewares.testheader.headers.customresponseheaders.X-Custom-Response-Header="
 ```
 
 ```json tab="Marathon"
 "labels": {
   "traefik.http.middlewares.testheader.headers.customrequestheaders.X-Script-Name": "test",
+  "traefik.http.middlewares.testheader.headers.customrequestheaders.X-Custom-Request-Header": "",
+  "traefik.http.middlewares.testheader.headers.customresponseheaders.X-Custom-Response-Header": "",
 }
 ```
 
 ```yaml tab="Rancher"
 labels:
   - "traefik.http.middlewares.testheader.headers.customrequestheaders.X-Script-Name=test"
-```
+  - "traefik.http.middlewares.testheader.headers.customrequestheaders.X-Custom-Request-Header="
-
+  - "traefik.http.middlewares.testheader.headers.customresponseheaders.X-Custom-Response-Header="
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.testHeader.headers]
-    [http.middlewares.testHeader.headers.customRequestHeaders]
-        X-Script-Name = "test" # Adds
-        X-Custom-Request-Header = "" # Removes
-    [http.middlewares.testHeader.headers.customResponseHeaders]
-        X-Custom-Response-Header = "" # Removes
 ```
 
 ```yaml tab="File (YAML)"
@@ -131,6 +129,16 @@ http:
           X-Custom-Response-Header: "" # Removes
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.testHeader.headers]
+    [http.middlewares.testHeader.headers.customRequestHeaders]
+        X-Script-Name = "test" # Adds
+        X-Custom-Request-Header = "" # Removes
+    [http.middlewares.testHeader.headers.customResponseHeaders]
+        X-Custom-Response-Header = "" # Removes
+```
+
 ### Using Security Headers
 
 Security-related headers (HSTS headers, Browser XSS filter, etc) can be managed similarly to custom headers as shown above.
@@ -171,13 +179,6 @@ labels:
   - "traefik.http.middlewares.testheader.headers.browserxssfilter=true"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.testHeader.headers]
-    frameDeny = true
-    browserxssfilter = true
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -187,6 +188,13 @@ http:
         browserxssfilter: true
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.testHeader.headers]
+    frameDeny = true
+    browserxssfilter = true
+```
+
 ### CORS Headers
 
 CORS (Cross-Origin Resource Sharing) headers can be added and configured in a manner similar to the custom headers above.
@@ -242,15 +250,6 @@ labels:
   - "traefik.http.middlewares.testheader.headers.addvaryheader=true"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.testHeader.headers]
-    accessControlAllowMethods= ["GET", "OPTIONS", "PUT"]
-    accessControlAllowOriginList = ["https://foo.bar.org","https://example.org"]
-    accessControlMaxAge = 100
-    addVaryHeader = true
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -267,6 +266,15 @@ http:
         addVaryHeader: true
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.testHeader.headers]
+    accessControlAllowMethods= ["GET", "OPTIONS", "PUT"]
+    accessControlAllowOriginList = ["https://foo.bar.org","https://example.org"]
+    accessControlMaxAge = 100
+    addVaryHeader = true
+```
+
 ## Configuration Options
 
 ### General

docs/content/middlewares/http/inflightreq.md

@@ -41,13 +41,6 @@ labels:
   - "traefik.http.middlewares.test-inflightreq.inflightreq.amount=10"
 ```
 
-```toml tab="File (TOML)"
-# Limiting to 10 simultaneous connections
-[http.middlewares]
-  [http.middlewares.test-inflightreq.inFlightReq]
-    amount = 10
-```
-
 ```yaml tab="File (YAML)"
 # Limiting to 10 simultaneous connections
 http:
@@ -57,6 +50,13 @@ http:
         amount: 10
 ```
 
+```toml tab="File (TOML)"
+# Limiting to 10 simultaneous connections
+[http.middlewares]
+  [http.middlewares.test-inflightreq.inFlightReq]
+    amount = 10
+```
+
 ## Configuration Options
 
 ### `amount`
@@ -96,13 +96,6 @@ labels:
   - "traefik.http.middlewares.test-inflightreq.inflightreq.amount=10"
 ```
 
-```toml tab="File (TOML)"
-# Limiting to 10 simultaneous connections
-[http.middlewares]
-  [http.middlewares.test-inflightreq.inFlightReq]
-    amount = 10
-```
-
 ```yaml tab="File (YAML)"
 # Limiting to 10 simultaneous connections
 http:
@@ -112,6 +105,13 @@ http:
         amount: 10
 ```
 
+```toml tab="File (TOML)"
+# Limiting to 10 simultaneous connections
+[http.middlewares]
+  [http.middlewares.test-inflightreq.inFlightReq]
+    amount = 10
+```
+
 ### `sourceCriterion`
 
 The `sourceCriterion` option defines what criterion is used to group requests as originating from a common source.
@@ -171,13 +171,6 @@ labels:
   - "traefik.http.middlewares.test-inflightreq.inflightreq.sourcecriterion.ipstrategy.depth=2"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-inflightreq.inflightreq]
-    [http.middlewares.test-inflightreq.inFlightReq.sourceCriterion.ipStrategy]
-      depth = 2
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -188,6 +181,13 @@ http:
             depth: 2
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-inflightreq.inflightreq]
+    [http.middlewares.test-inflightreq.inFlightReq.sourceCriterion.ipStrategy]
+      depth = 2
+```
+
 ##### `ipStrategy.excludedIPs`
 
 `excludedIPs` configures Traefik to scan the `X-Forwarded-For` header and select the first IP not in the list.
@@ -238,13 +238,6 @@ labels:
   - "traefik.http.middlewares.test-inflightreq.inflightreq.sourcecriterion.ipstrategy.excludedips=127.0.0.1/32, 192.168.1.7"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-inflightreq.inflightreq]
-    [http.middlewares.test-inflightreq.inFlightReq.sourceCriterion.ipStrategy]
-      excludedIPs = ["127.0.0.1/32", "192.168.1.7"]
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -257,6 +250,13 @@ http:
               - "192.168.1.7"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-inflightreq.inflightreq]
+    [http.middlewares.test-inflightreq.inFlightReq.sourceCriterion.ipStrategy]
+      excludedIPs = ["127.0.0.1/32", "192.168.1.7"]
+```
+
 #### `sourceCriterion.requestHeaderName`
 
 Name of the header used to group incoming requests.
@@ -292,13 +292,6 @@ labels:
   - "traefik.http.middlewares.test-inflightreq.inflightreq.sourcecriterion.requestheadername=username"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-inflightreq.inflightreq]
-    [http.middlewares.test-inflightreq.inFlightReq.sourceCriterion]
-      requestHeaderName = "username"
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -308,6 +301,13 @@ http:
           requestHeaderName: username
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-inflightreq.inflightreq]
+    [http.middlewares.test-inflightreq.inFlightReq.sourceCriterion]
+      requestHeaderName = "username"
+```
+
 #### `sourceCriterion.requestHost`
 
 Whether to consider the request host as the source.
@@ -343,13 +343,6 @@ labels:
   - "traefik.http.middlewares.test-inflightreq.inflightreq.sourcecriterion.requesthost=true"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-inflightreq.inflightreq]
-    [http.middlewares.test-inflightreq.inFlightReq.sourceCriterion]
-      requestHost = true
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -358,3 +351,10 @@ http:
         sourceCriterion:
           requestHost: true
 ```
+
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-inflightreq.inflightreq]
+    [http.middlewares.test-inflightreq.inFlightReq.sourceCriterion]
+      requestHost = true
+```

docs/content/middlewares/http/ipwhitelist.md

@@ -44,13 +44,6 @@ labels:
   - "traefik.http.middlewares.test-ipwhitelist.ipwhitelist.sourcerange=127.0.0.1/32, 192.168.1.7"
 ```
 
-```toml tab="File (TOML)"
-# Accepts request from defined IP
-[http.middlewares]
-  [http.middlewares.test-ipwhitelist.ipWhiteList]
-    sourceRange = ["127.0.0.1/32", "192.168.1.7"]
-```
-
 ```yaml tab="File (YAML)"
 # Accepts request from defined IP
 http:
@@ -62,6 +55,13 @@ http:
           - "192.168.1.7"
 ```
 
+```toml tab="File (TOML)"
+# Accepts request from defined IP
+[http.middlewares]
+  [http.middlewares.test-ipwhitelist.ipWhiteList]
+    sourceRange = ["127.0.0.1/32", "192.168.1.7"]
+```
+
 ## Configuration Options
 
 ### `sourceRange`
@@ -131,15 +131,6 @@ labels:
   - "traefik.http.middlewares.testIPwhitelist.ipwhitelist.ipstrategy.depth=2"
 ```
 
-```toml tab="File (TOML)"
-# Whitelisting Based on `X-Forwarded-For` with `depth=2`
-[http.middlewares]
-  [http.middlewares.test-ipwhitelist.ipWhiteList]
-    sourceRange = ["127.0.0.1/32", "192.168.1.7"]
-    [http.middlewares.test-ipwhitelist.ipWhiteList.ipStrategy]
-      depth = 2
-```
-
 ```yaml tab="File (YAML)"
 # Whitelisting Based on `X-Forwarded-For` with `depth=2`
 http:
@@ -153,6 +144,15 @@ http:
           depth: 2
 ```
 
+```toml tab="File (TOML)"
+# Whitelisting Based on `X-Forwarded-For` with `depth=2`
+[http.middlewares]
+  [http.middlewares.test-ipwhitelist.ipWhiteList]
+    sourceRange = ["127.0.0.1/32", "192.168.1.7"]
+    [http.middlewares.test-ipwhitelist.ipWhiteList.ipStrategy]
+      depth = 2
+```
+
 #### `ipStrategy.excludedIPs`
 
 `excludedIPs` configures Traefik to scan the `X-Forwarded-For` header and select the first IP not in the list.
@@ -206,14 +206,6 @@ labels:
   - "traefik.http.middlewares.test-ipwhitelist.ipwhitelist.ipstrategy.excludedips=127.0.0.1/32, 192.168.1.7"
 ```
 
-```toml tab="File (TOML)"
-# Exclude from `X-Forwarded-For`
-[http.middlewares]
-  [http.middlewares.test-ipwhitelist.ipWhiteList]
-    [http.middlewares.test-ipwhitelist.ipWhiteList.ipStrategy]
-      excludedIPs = ["127.0.0.1/32", "192.168.1.7"]
-```
-
 ```yaml tab="File (YAML)"
 # Exclude from `X-Forwarded-For`
 http:
@@ -225,3 +217,11 @@ http:
             - "127.0.0.1/32"
             - "192.168.1.7"
 ```
+
+```toml tab="File (TOML)"
+# Exclude from `X-Forwarded-For`
+[http.middlewares]
+  [http.middlewares.test-ipwhitelist.ipWhiteList]
+    [http.middlewares.test-ipwhitelist.ipWhiteList.ipStrategy]
+      excludedIPs = ["127.0.0.1/32", "192.168.1.7"]
+```

docs/content/middlewares/http/passtlsclientcert.md

@@ -46,13 +46,6 @@ labels:
   - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.pem=true"
 ```
 
-```toml tab="File (TOML)"
-# Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header.
-[http.middlewares]
-  [http.middlewares.test-passtlsclientcert.passTLSClientCert]
-    pem = true
-```
-
 ```yaml tab="File (YAML)"
 # Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header.
 http:
@@ -62,6 +55,13 @@ http:
         pem: true
 ```
 
+```toml tab="File (TOML)"
+# Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header.
+[http.middlewares]
+  [http.middlewares.test-passtlsclientcert.passTLSClientCert]
+    pem = true
+```
+
 ??? example "Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header"
 
     ```yaml tab="Docker"
@@ -182,32 +182,6 @@ http:
       - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.issuer.serialnumber=true"
     ```
 
-    ```toml tab="File (TOML)"
-    # Pass all the available info in the `X-Forwarded-Tls-Client-Cert-Info` header
-    [http.middlewares]
-      [http.middlewares.test-passtlsclientcert.passTLSClientCert]
-        [http.middlewares.test-passtlsclientcert.passTLSClientCert.info]
-          notAfter = true
-          notBefore = true
-          sans = true
-          [http.middlewares.test-passtlsclientcert.passTLSClientCert.info.subject]
-            country = true
-            province = true
-            locality = true
-            organization = true
-            commonName = true
-            serialNumber = true
-            domainComponent = true
-          [http.middlewares.test-passtlsclientcert.passTLSClientCert.info.issuer]
-            country = true
-            province = true
-            locality = true
-            organization = true
-            commonName = true
-            serialNumber = true
-            domainComponent = true
-    ```
-
     ```yaml tab="File (YAML)"
     # Pass all the available info in the `X-Forwarded-Tls-Client-Cert-Info` header
     http:
@@ -236,6 +210,32 @@ http:
                 domainComponent: true
     ```
 
+    ```toml tab="File (TOML)"
+    # Pass all the available info in the `X-Forwarded-Tls-Client-Cert-Info` header
+    [http.middlewares]
+      [http.middlewares.test-passtlsclientcert.passTLSClientCert]
+        [http.middlewares.test-passtlsclientcert.passTLSClientCert.info]
+          notAfter = true
+          notBefore = true
+          sans = true
+          [http.middlewares.test-passtlsclientcert.passTLSClientCert.info.subject]
+            country = true
+            province = true
+            locality = true
+            organization = true
+            commonName = true
+            serialNumber = true
+            domainComponent = true
+          [http.middlewares.test-passtlsclientcert.passTLSClientCert.info.issuer]
+            country = true
+            province = true
+            locality = true
+            organization = true
+            commonName = true
+            serialNumber = true
+            domainComponent = true
+    ```
+
 ## Configuration Options
 
 ### General

docs/content/middlewares/http/ratelimit.md

@@ -50,15 +50,6 @@ labels:
   - "traefik.http.middlewares.test-ratelimit.ratelimit.burst=50"
 ```
 
-```toml tab="File (TOML)"
-# Here, an average of 100 requests per second is allowed.
-# In addition, a burst of 50 requests is allowed.
-[http.middlewares]
-  [http.middlewares.test-ratelimit.rateLimit]
-    average = 100
-    burst = 50
-```
-
 ```yaml tab="File (YAML)"
 # Here, an average of 100 requests per second is allowed.
 # In addition, a burst of 50 requests is allowed.
@@ -70,6 +61,15 @@ http:
         burst: 50
 ```
 
+```toml tab="File (TOML)"
+# Here, an average of 100 requests per second is allowed.
+# In addition, a burst of 50 requests is allowed.
+[http.middlewares]
+  [http.middlewares.test-ratelimit.rateLimit]
+    average = 100
+    burst = 50
+```
+
 ## Configuration Options
 
 ### `average`
@@ -114,13 +114,6 @@ labels:
   - "traefik.http.middlewares.test-ratelimit.ratelimit.average=100"
 ```
 
-```toml tab="File (TOML)"
-# 100 reqs/s
-[http.middlewares]
-  [http.middlewares.test-ratelimit.rateLimit]
-    average = 100
-```
-
 ```yaml tab="File (YAML)"
 # 100 reqs/s
 http:
@@ -130,6 +123,13 @@ http:
         average: 100
 ```
 
+```toml tab="File (TOML)"
+# 100 reqs/s
+[http.middlewares]
+  [http.middlewares.test-ratelimit.rateLimit]
+    average = 100
+```
+
 ### `period`
 
 `period`, in combination with `average`, defines the actual maximum rate, such as:
@@ -179,14 +179,6 @@ labels:
   - "traefik.http.middlewares.test-ratelimit.ratelimit.period=1m"
 ```
 
-```toml tab="File (TOML)"
-# 6 reqs/minute
-[http.middlewares]
-  [http.middlewares.test-ratelimit.rateLimit]
-    average = 6
-    period = "1m"
-```
-
 ```yaml tab="File (YAML)"
 # 6 reqs/minute
 http:
@@ -197,6 +189,14 @@ http:
         period: 1m
 ```
 
+```toml tab="File (TOML)"
+# 6 reqs/minute
+[http.middlewares]
+  [http.middlewares.test-ratelimit.rateLimit]
+    average = 6
+    period = "1m"
+```
+
 ### `burst`
 
 `burst` is the maximum number of requests allowed to go through in the same arbitrarily small period of time.
@@ -233,12 +233,6 @@ labels:
   - "traefik.http.middlewares.test-ratelimit.ratelimit.burst=100"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-ratelimit.rateLimit]
-    burst = 100
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -247,6 +241,12 @@ http:
         burst: 100
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-ratelimit.rateLimit]
+    burst = 100
+```
+
 ### `sourceCriterion`
 
 The `sourceCriterion` option defines what criterion is used to group requests as originating from a common source.
@@ -306,13 +306,6 @@ labels:
   - "traefik.http.middlewares.test-ratelimit.ratelimit.sourcecriterion.ipstrategy.depth=2"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-ratelimit.rateLimit]
-    [http.middlewares.test-ratelimit.rateLimit.sourceCriterion.ipStrategy]
-      depth = 2
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -323,21 +316,55 @@ http:
             depth: 2
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-ratelimit.rateLimit]
+    [http.middlewares.test-ratelimit.rateLimit.sourceCriterion.ipStrategy]
+      depth = 2
+```
+
 ##### `ipStrategy.excludedIPs`
 
-`excludedIPs` configures Traefik to scan the `X-Forwarded-For` header and select the first IP not in the list.
+!!! important "Contrary to what the name might suggest, this option is _not_ about excluding an IP from the rate limiter, and therefore cannot be used to deactivate rate limiting for some IPs."
 
 !!! important "If `depth` is specified, `excludedIPs` is ignored."
 
-!!! example "Example of ExcludedIPs & X-Forwarded-For"
+`excludedIPs` is meant to address two classes of somewhat distinct use-cases:
 
-    | `X-Forwarded-For`                       | `excludedIPs`         | clientIP     |
+1. Distinguish IPs which are behind the same (set of) reverse-proxies so that each of them contributes, independently to the others,
-    |-----------------------------------------|-----------------------|--------------|
+   to its own rate-limit "bucket" (cf the [leaky bucket analogy](https://wikipedia.org/wiki/Leaky_bucket)).
-    | `"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"` | `"12.0.0.1,13.0.0.1"` | `"11.0.0.1"` |
+   In this case, `excludedIPs` should be set to match the list of `X-Forwarded-For IPs` that are to be excluded,
-    | `"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"` | `"15.0.0.1,13.0.0.1"` | `"12.0.0.1"` |
+   in order to find the actual clientIP.
-    | `"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"` | `"10.0.0.1,13.0.0.1"` | `"12.0.0.1"` |
+
-    | `"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"` | `"15.0.0.1,16.0.0.1"` | `"13.0.0.1"` |
+    !!! example "Each IP as a distinct source"
-    | `"10.0.0.1,11.0.0.1"`                   | `"10.0.0.1,11.0.0.1"` | `""`         |
+
+        | X-Forwarded-For                | excludedIPs           | clientIP     |
+        |--------------------------------|-----------------------|--------------|
+        | `"10.0.0.1,11.0.0.1,12.0.0.1"` | `"11.0.0.1,12.0.0.1"` | `"10.0.0.1"` |
+        | `"10.0.0.2,11.0.0.1,12.0.0.1"` | `"11.0.0.1,12.0.0.1"` | `"10.0.0.2"` |
+
+2. Group together a set of IPs (also behind a common set of reverse-proxies) so that they are considered the same source,
+   and all contribute to the same rate-limit bucket.
+
+    !!! example "Group IPs together as same source"
+
+        |  X-Forwarded-For               |  excludedIPs | clientIP     |
+        |--------------------------------|--------------|--------------|
+        | `"10.0.0.1,11.0.0.1,12.0.0.1"` | `"12.0.0.1"` | `"11.0.0.1"` |
+        | `"10.0.0.2,11.0.0.1,12.0.0.1"` | `"12.0.0.1"` | `"11.0.0.1"` |
+        | `"10.0.0.3,11.0.0.1,12.0.0.1"` | `"12.0.0.1"` | `"11.0.0.1"` |
+
+For completeness, below are additional examples to illustrate how the matching works.
+For a given request the list of `X-Forwarded-For` IPs is checked from most recent to most distant against the `excludedIPs` pool,
+and the first IP that is _not_ in the pool (if any) is returned.
+
+!!! example "Matching for clientIP"
+
+    |  X-Forwarded-For               |  excludedIPs          | clientIP     |
+    |--------------------------------|-----------------------|--------------|
+    | `"10.0.0.1,11.0.0.1,13.0.0.1"` | `"11.0.0.1"`          | `"13.0.0.1"` |
+    | `"10.0.0.1,11.0.0.1,13.0.0.1"` | `"15.0.0.1,16.0.0.1"` | `"13.0.0.1"` |
+    | `"10.0.0.1,11.0.0.1"`          | `"10.0.0.1,11.0.0.1"` | `""`         |
 
 ```yaml tab="Docker"
 labels:
@@ -373,13 +400,6 @@ labels:
   - "traefik.http.middlewares.test-ratelimit.ratelimit.sourcecriterion.ipstrategy.excludedips=127.0.0.1/32, 192.168.1.7"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-ratelimit.rateLimit]
-    [http.middlewares.test-ratelimit.rateLimit.sourceCriterion.ipStrategy]
-      excludedIPs = ["127.0.0.1/32", "192.168.1.7"]
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -392,6 +412,13 @@ http:
               - "192.168.1.7"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-ratelimit.rateLimit]
+    [http.middlewares.test-ratelimit.rateLimit.sourceCriterion.ipStrategy]
+      excludedIPs = ["127.0.0.1/32", "192.168.1.7"]
+```
+
 #### `sourceCriterion.requestHeaderName`
 
 Name of the header used to group incoming requests.
@@ -427,13 +454,6 @@ labels:
   - "traefik.http.middlewares.test-ratelimit.ratelimit.sourcecriterion.requestheadername=username"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-ratelimit.rateLimit]
-    [http.middlewares.test-ratelimit.rateLimit.sourceCriterion]
-      requestHeaderName = "username"
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -443,6 +463,13 @@ http:
           requestHeaderName: username
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-ratelimit.rateLimit]
+    [http.middlewares.test-ratelimit.rateLimit.sourceCriterion]
+      requestHeaderName = "username"
+```
+
 #### `sourceCriterion.requestHost`
 
 Whether to consider the request host as the source.
@@ -478,13 +505,6 @@ labels:
   - "traefik.http.middlewares.test-ratelimit.ratelimit.sourcecriterion.requesthost=true"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-ratelimit.rateLimit]
-    [http.middlewares.test-ratelimit.rateLimit.sourceCriterion]
-      requestHost = true
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -493,3 +513,10 @@ http:
         sourceCriterion:
           requestHost: true
 ```
+
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-ratelimit.rateLimit]
+    [http.middlewares.test-ratelimit.rateLimit.sourceCriterion]
+      requestHost = true
+```

docs/content/middlewares/http/redirectregex.md

@@ -53,14 +53,6 @@ labels:
   - "traefik.http.middlewares.test-redirectregex.redirectregex.replacement=http://mydomain/$${1}"
 ```
 
-```toml tab="File (TOML)"
-# Redirect with domain replacement
-[http.middlewares]
-  [http.middlewares.test-redirectregex.redirectRegex]
-    regex = "^http://localhost/(.*)"
-    replacement = "http://mydomain/${1}"
-```
-
 ```yaml tab="File (YAML)"
 # Redirect with domain replacement
 http:
@@ -71,6 +63,14 @@ http:
         replacement: "http://mydomain/${1}"
 ```
 
+```toml tab="File (TOML)"
+# Redirect with domain replacement
+[http.middlewares]
+  [http.middlewares.test-redirectregex.redirectRegex]
+    regex = "^http://localhost/(.*)"
+    replacement = "http://mydomain/${1}"
+```
+
 ## Configuration Options
 
 !!! tip
@@ -84,7 +84,7 @@ Set the `permanent` option to `true` to apply a permanent redirection.
 ### `regex`
 
 The `regex` option is the regular expression to match and capture elements from the request URL.
-    
+
 ### `replacement`
 
 The `replacement` option defines how to modify the URL to have the new target URL.

docs/content/middlewares/http/redirectscheme.md

@@ -51,14 +51,6 @@ labels:
   - "traefik.http.middlewares.test-redirectscheme.redirectscheme.permanent=true"
 ```
 
-```toml tab="File (TOML)"
-# Redirect to https
-[http.middlewares]
-  [http.middlewares.test-redirectscheme.redirectScheme]
-    scheme = "https"
-    permanent = true
-```
-
 ```yaml tab="File (YAML)"
 # Redirect to https
 http:
@@ -69,6 +61,14 @@ http:
         permanent: true
 ```
 
+```toml tab="File (TOML)"
+# Redirect to https
+[http.middlewares]
+  [http.middlewares.test-redirectscheme.redirectScheme]
+    scheme = "https"
+    permanent = true
+```
+
 ## Configuration Options
 
 ### `permanent`
@@ -115,14 +115,6 @@ labels:
   - "traefik.http.middlewares.test-redirectscheme.redirectscheme.permanent=true"
 ```
 
-```toml tab="File (TOML)"
-# Redirect to https
-[http.middlewares]
-  [http.middlewares.test-redirectscheme.redirectScheme]
-    # ...
-    permanent = true
-```
-
 ```yaml tab="File (YAML)"
 # Redirect to https
 http:
@@ -133,6 +125,14 @@ http:
         permanent: true
 ```
 
+```toml tab="File (TOML)"
+# Redirect to https
+[http.middlewares]
+  [http.middlewares.test-redirectscheme.redirectScheme]
+    # ...
+    permanent = true
+```
+
 ### `scheme`
 
 The `scheme` option defines the scheme of the new URL.
@@ -172,13 +172,6 @@ labels:
   - "traefik.http.middlewares.test-redirectscheme.redirectscheme.scheme=https"
 ```
 
-```toml tab="File (TOML)"
-# Redirect to https
-[http.middlewares]
-  [http.middlewares.test-redirectscheme.redirectScheme]
-    scheme = "https"
-```
-
 ```yaml tab="File (YAML)"
 # Redirect to https
 http:
@@ -188,6 +181,13 @@ http:
         scheme: https
 ```
 
+```toml tab="File (TOML)"
+# Redirect to https
+[http.middlewares]
+  [http.middlewares.test-redirectscheme.redirectScheme]
+    scheme = "https"
+```
+
 ### `port`
 
 The `port` option defines the port of the new URL.
@@ -232,14 +232,6 @@ labels:
   - "traefik.http.middlewares.test-redirectscheme.redirectscheme.port=443"
 ```
 
-```toml tab="File (TOML)"
-# Redirect to https
-[http.middlewares]
-  [http.middlewares.test-redirectscheme.redirectScheme]
-    # ...
-    port = 443
-```
-
 ```yaml tab="File (YAML)"
 # Redirect to https
 http:
@@ -250,4 +242,12 @@ http:
         port: "443"
 ```
 
+```toml tab="File (TOML)"
+# Redirect to https
+[http.middlewares]
+  [http.middlewares.test-redirectscheme.redirectScheme]
+    # ...
+    port = 443
+```
+
 !!! info "Port in this configuration is a string, not a numeric value."

docs/content/middlewares/http/replacepath.md

@@ -45,13 +45,6 @@ labels:
   - "traefik.http.middlewares.test-replacepath.replacepath.path=/foo"
 ```
 
-```toml tab="File (TOML)"
-# Replace the path with /foo
-[http.middlewares]
-  [http.middlewares.test-replacepath.replacePath]
-    path = "/foo"
-```
-
 ```yaml tab="File (YAML)"
 # Replace the path with /foo
 http:
@@ -61,6 +54,13 @@ http:
         path: "/foo"
 ```
 
+```toml tab="File (TOML)"
+# Replace the path with /foo
+[http.middlewares]
+  [http.middlewares.test-replacepath.replacePath]
+    path = "/foo"
+```
+
 ## Configuration Options
 
 ### General

docs/content/middlewares/http/replacepathregex.md

@@ -50,14 +50,6 @@ labels:
   - "traefik.http.middlewares.test-replacepathregex.replacepathregex.replacement=/bar/$1"
 ```
 
-```toml tab="File (TOML)"
-# Replace path with regex
-[http.middlewares]
-  [http.middlewares.test-replacepathregex.replacePathRegex]
-    regex = "^/foo/(.*)"
-    replacement = "/bar/$1"
-```
-
 ```yaml tab="File (YAML)"
 # Replace path with regex
 http:
@@ -68,6 +60,14 @@ http:
         replacement: "/bar/$1"
 ```
 
+```toml tab="File (TOML)"
+# Replace path with regex
+[http.middlewares]
+  [http.middlewares.test-replacepathregex.replacePathRegex]
+    regex = "^/foo/(.*)"
+    replacement = "/bar/$1"
+```
+
 ## Configuration Options
 
 ### General
@@ -84,7 +84,7 @@ The ReplacePathRegex middleware will:
 ### `regex`
 
 The `regex` option is the regular expression to match and capture the path from the request URL.
-    
+
 ### `replacement`
 
 The `replacement` option defines the replacement path format, which can include captured variables.

docs/content/middlewares/http/retry.md

@@ -52,14 +52,6 @@ labels:
   - "traefik.http.middlewares.test-retry.retry.initialinterval=100ms"
 ```
 
-```toml tab="File (TOML)"
-# Retry 4 times with exponential backoff
-[http.middlewares]
-  [http.middlewares.test-retry.retry]
-    attempts = 4
-    initialInterval = "100ms"
-```
-
 ```yaml tab="File (YAML)"
 # Retry 4 times with exponential backoff
 http:
@@ -70,6 +62,14 @@ http:
         initialInterval: 100ms
 ```
 
+```toml tab="File (TOML)"
+# Retry 4 times with exponential backoff
+[http.middlewares]
+  [http.middlewares.test-retry.retry]
+    attempts = 4
+    initialInterval = "100ms"
+```
+
 ## Configuration Options
 
 ### `attempts`

docs/content/middlewares/http/stripprefix.md

@@ -47,13 +47,6 @@ labels:
   - "traefik.http.middlewares.test-stripprefix.stripprefix.prefixes=/foobar,/fiibar"
 ```
 
-```toml tab="File (TOML)"
-# Strip prefix /foobar and /fiibar
-[http.middlewares]
-  [http.middlewares.test-stripprefix.stripPrefix]
-    prefixes = ["/foobar", "/fiibar"]
-```
-
 ```yaml tab="File (YAML)"
 # Strip prefix /foobar and /fiibar
 http:
@@ -65,6 +58,13 @@ http:
           - "/fiibar"
 ```
 
+```toml tab="File (TOML)"
+# Strip prefix /foobar and /fiibar
+[http.middlewares]
+  [http.middlewares.test-stripprefix.stripPrefix]
+    prefixes = ["/foobar", "/fiibar"]
+```
+
 ## Configuration Options
 
 ### General
@@ -149,13 +149,6 @@ labels:
   - "traefik.http.middlewares.example.stripprefix.forceSlash=false"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.example.stripPrefix]
-    prefixes = ["/foobar"]
-    forceSlash = false
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -165,3 +158,10 @@ http:
           - "/foobar"
         forceSlash: false
 ```
+
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.example.stripPrefix]
+    prefixes = ["/foobar"]
+    forceSlash = false
+```

docs/content/middlewares/http/stripprefixregex.md

@@ -38,12 +38,6 @@ labels:
   - "traefik.http.middlewares.test-stripprefixregex.stripprefixregex.regex=/foo/[a-z0-9]+/[0-9]+/"
 ```
 
-```toml tab="File (TOML)"
-[http.middlewares]
-  [http.middlewares.test-stripprefixregex.stripPrefixRegex]
-    regex = ["/foo/[a-z0-9]+/[0-9]+/"]
-```
-
 ```yaml tab="File (YAML)"
 http:
   middlewares:
@@ -53,6 +47,12 @@ http:
           - "/foo/[a-z0-9]+/[0-9]+/"
 ```
 
+```toml tab="File (TOML)"
+[http.middlewares]
+  [http.middlewares.test-stripprefixregex.stripPrefixRegex]
+    regex = ["/foo/[a-z0-9]+/[0-9]+/"]
+```
+
 ## Configuration Options
 
 ### General

docs/content/middlewares/overview.md

@@ -77,26 +77,6 @@ labels:
   - "traefik.http.routers.router1.middlewares=foo-add-prefix@rancher"
 ```
 
-```toml tab="File (TOML)"
-# As TOML Configuration File
-[http.routers]
-  [http.routers.router1]
-    service = "myService"
-    middlewares = ["foo-add-prefix"]
-    rule = "Host(`example.com`)"
-
-[http.middlewares]
-  [http.middlewares.foo-add-prefix.addPrefix]
-    prefix = "/foo"
-
-[http.services]
-  [http.services.service1]
-    [http.services.service1.loadBalancer]
-
-      [[http.services.service1.loadBalancer.servers]]
-        url = "http://127.0.0.1:80"
-```
-
 ```yaml tab="File (YAML)"
 # As YAML Configuration File
 http:
@@ -119,6 +99,26 @@ http:
           - url: "http://127.0.0.1:80"
 ```
 
+```toml tab="File (TOML)"
+# As TOML Configuration File
+[http.routers]
+  [http.routers.router1]
+    service = "myService"
+    middlewares = ["foo-add-prefix"]
+    rule = "Host(`example.com`)"
+
+[http.middlewares]
+  [http.middlewares.foo-add-prefix.addPrefix]
+    prefix = "/foo"
+
+[http.services]
+  [http.services.service1]
+    [http.services.service1.loadBalancer]
+
+      [[http.services.service1.loadBalancer.servers]]
+        url = "http://127.0.0.1:80"
+```
+
 ## Available Middlewares
 
 A list of HTTP middlewares can be found [here](http/overview.md).

docs/content/migration/v1-to-v2.md

@@ -68,27 +68,27 @@ Then any router can refer to an instance of the wanted middleware.
       [frontends.frontend1]
         entryPoints = ["http"]
         backend = "backend1"
-    
+
         [frontends.frontend1.routes]
           [frontends.frontend1.routes.route0]
             rule = "Host:test.localhost"
           [frontends.frontend1.routes.route0]
             rule = "PathPrefix:/test"
-        
+
         [frontends.frontend1.auth]
           [frontends.frontend1.auth.basic]
             users = [
               "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/",
               "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
             ]
-    
+
     [backends]
       [backends.backend1]
         [backends.backend1.servers.server0]
           url = "http://10.10.10.1:80"
         [backends.backend1.servers.server1]
           url = "http://10.10.10.2:80"
-    
+
         [backends.backend1.loadBalancer]
           method = "wrr"
     ```
@@ -110,19 +110,19 @@ Then any router can refer to an instance of the wanted middleware.
     metadata:
       name: basicauth
       namespace: foo
-    
+
     spec:
       basicAuth:
         users:
           - test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/
           - test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0
-    
+
     ---
     apiVersion: traefik.containo.us/v1alpha1
     kind: IngressRoute
     metadata:
       name: ingressroutebar
-    
+
     spec:
       entryPoints:
         - http
@@ -139,27 +139,6 @@ Then any router can refer to an instance of the wanted middleware.
           namespace: foo
     ```
 
-    ```toml tab="File (TOML)"
-    [http.routers]
-      [http.routers.router0]
-        rule = "Host(`test.localhost`) && PathPrefix(`/test`)"
-        middlewares = ["auth"]
-        service = "my-service"
-    
-    [http.services]
-      [[http.services.my-service.loadBalancer.servers]]
-        url = "http://10.10.10.1:80"
-      [[http.services.my-service.loadBalancer.servers]]
-        url = "http://10.10.10.2:80"
-    
-    [http.middlewares]
-      [http.middlewares.auth.basicAuth]
-        users = [
-          "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/",
-          "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
-        ]
-    ```
-
     ```yaml tab="File (YAML)"
     http:
       routers:
@@ -168,14 +147,14 @@ Then any router can refer to an instance of the wanted middleware.
           service: my-service
           middlewares:
             - auth
-    
+
       services:
         my-service:
           loadBalancer:
             servers:
               - url: http://10.10.10.1:80
               - url: http://10.10.10.2:80
-    
+
       middlewares:
         auth:
           basicAuth:
@@ -184,6 +163,27 @@ Then any router can refer to an instance of the wanted middleware.
               - "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"
     ```
 
+    ```toml tab="File (TOML)"
+    [http.routers]
+      [http.routers.router0]
+        rule = "Host(`test.localhost`) && PathPrefix(`/test`)"
+        middlewares = ["auth"]
+        service = "my-service"
+
+    [http.services]
+      [[http.services.my-service.loadBalancer.servers]]
+        url = "http://10.10.10.1:80"
+      [[http.services.my-service.loadBalancer.servers]]
+        url = "http://10.10.10.2:80"
+
+    [http.middlewares]
+      [http.middlewares.auth.basicAuth]
+        users = [
+          "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/",
+          "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
+        ]
+    ```
+
 ## TLS Configuration is Now Dynamic, per Router.
 
 TLS parameters used to be specified in the static configuration, as an entryPoint field.
@@ -193,13 +193,13 @@ Then, a [router's TLS field](../routing/routers/index.md#tls) can refer to one o
 !!! example "TLS on websecure entryPoint becomes TLS option on Router-1"
 
     !!! info "v1"
-    
+
     ```toml tab="File (TOML)"
     # static configuration
     [entryPoints]
       [entryPoints.websecure]
         address = ":443"
-    
+
         [entryPoints.websecure.tls]
           minVersion = "VersionTLS12"
           cipherSuites = [
@@ -221,33 +221,6 @@ Then, a [router's TLS field](../routing/routers/index.md#tls) can refer to one o
 
     !!! info "v2"
 
-    ```toml tab="File (TOML)"
-    # dynamic configuration
-    [http.routers]
-      [http.routers.Router-1]
-        rule = "Host(`example.com`)"
-        service = "service-id"
-        # will terminate the TLS request
-        [http.routers.Router-1.tls]
-          options = "myTLSOptions"
-    
-    [[tls.certificates]]
-      certFile = "/path/to/domain.cert"
-      keyFile = "/path/to/domain.key"
-    
-    [tls.options]
-      [tls.options.myTLSOptions]
-        minVersion = "VersionTLS12"
-        cipherSuites = [
-          "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256",
-          "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384",
-          "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256",
-          "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256",
-          "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256",
-          "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256",
-        ]
-    ```
-
     ```yaml tab="File (YAML)"
     http:
       routers:
@@ -257,7 +230,7 @@ Then, a [router's TLS field](../routing/routers/index.md#tls) can refer to one o
           # will terminate the TLS request
           tls:
             options: myTLSOptions
-    
+
     tls:
       certificates:
         - certFile: /path/to/domain.cert
@@ -273,6 +246,33 @@ Then, a [router's TLS field](../routing/routers/index.md#tls) can refer to one o
 	        - TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
     ```
 
+    ```toml tab="File (TOML)"
+    # dynamic configuration
+    [http.routers]
+      [http.routers.Router-1]
+        rule = "Host(`example.com`)"
+        service = "service-id"
+        # will terminate the TLS request
+        [http.routers.Router-1.tls]
+          options = "myTLSOptions"
+
+    [[tls.certificates]]
+      certFile = "/path/to/domain.cert"
+      keyFile = "/path/to/domain.key"
+
+    [tls.options]
+      [tls.options.myTLSOptions]
+        minVersion = "VersionTLS12"
+        cipherSuites = [
+          "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256",
+          "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384",
+          "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256",
+          "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256",
+          "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256",
+          "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256",
+        ]
+    ```
+
     ```yaml tab="K8s IngressRoute"
     # The definitions below require the definitions for the TLSOption and IngressRoute kinds.
     # https://doc.traefik.io/traefik/v2.3/reference/dynamic-configuration/kubernetes-crd/#definitions
@@ -281,7 +281,7 @@ Then, a [router's TLS field](../routing/routers/index.md#tls) can refer to one o
     metadata:
       name: mytlsoption
       namespace: default
-    
+
     spec:
       minVersion: VersionTLS12
       cipherSuites:
@@ -290,13 +290,13 @@ Then, a [router's TLS field](../routing/routers/index.md#tls) can refer to one o
 	    - TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
 	    - TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
 	    - TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
-    
+
     ---
     apiVersion: traefik.containo.us/v1alpha1
     kind: IngressRoute
     metadata:
       name: ingressroutebar
-    
+
     spec:
       entryPoints:
         - web
@@ -322,7 +322,7 @@ Then, a [router's TLS field](../routing/routers/index.md#tls) can refer to one o
 ## HTTP to HTTPS Redirection is Now Configured on Routers
 
 Previously on Traefik v1, the redirection was applied on an entry point or on a frontend.
-With Traefik v2 it is applied on an entry point or a [Router](../routing/routers/index.md). 
+With Traefik v2 it is applied on an entry point or a [Router](../routing/routers/index.md).
 
 To apply a redirection:
 
@@ -332,11 +332,11 @@ To apply a redirection:
 !!! example "Global HTTP to HTTPS redirection"
 
     !!! info "v1"
-    
+
     ```toml tab="File (TOML)"
     # static configuration
     defaultEntryPoints = ["web", "websecure"]
-    
+
     [entryPoints]
       [entryPoints.web]
         address = ":80"
@@ -354,35 +354,11 @@ To apply a redirection:
     ```
 
     !!! info "v2"
-    
+
-    ```bash tab="CLI"
-    ## static configuration
-    
-    --entrypoints.web.address=:80
-    --entrypoints.web.http.redirections.entrypoint.to=websecure
-    --entrypoints.web.http.redirections.entrypoint.scheme=https
-    --entrypoints.websecure.address=:443
-    --providers.docker=true
-    ```
-    
-    ```toml tab="File (TOML)"
-    # traefik.toml
-    ## static configuration
-    
-    [entryPoints.web]
-      address = ":80"
-      [entryPoints.web.http.redirections.entryPoint]
-        to = "websecure"
-        scheme = "https"
-   
-    [entryPoints.websecure]
-      address = ":443"
-    ```
-    
     ```yaml tab="File (YAML)"
-    # traefik.yaml
+    # traefik.yml
     ## static configuration
-    
+
     entryPoints:
       web:
         address: ":80"
@@ -391,15 +367,39 @@ To apply a redirection:
             entrypoint:
               to: websecure
               scheme: https
-    
+
       websecure:
         address: ":443"
     ```
 
+    ```toml tab="File (TOML)"
+    # traefik.toml
+    ## static configuration
+
+    [entryPoints.web]
+      address = ":80"
+      [entryPoints.web.http.redirections.entryPoint]
+        to = "websecure"
+        scheme = "https"
+
+    [entryPoints.websecure]
+      address = ":443"
+    ```
+
+    ```bash tab="CLI"
+    ## static configuration
+
+    --entrypoints.web.address=:80
+    --entrypoints.web.http.redirections.entrypoint.to=websecure
+    --entrypoints.web.http.redirections.entrypoint.scheme=https
+    --entrypoints.websecure.address=:443
+    --providers.docker=true
+    ```
+
 !!! example "HTTP to HTTPS redirection per domain"
 
     !!! info "v1"
-    
+
     ```toml tab="File (TOML)"
     [entryPoints]
       [entryPoints.web]
@@ -408,9 +408,9 @@ To apply a redirection:
       [entryPoints.websecure]
         address = ":443"
         [entryPoints.websecure.tls]
-    
+
     [file]
-    
+
     [frontends]
       [frontends.frontend1]
         entryPoints = ["web", "websecure"]
@@ -428,11 +428,11 @@ To apply a redirection:
       traefik.http.routers.app.rule: Host(`example.net`)
       traefik.http.routers.app.entrypoints: web
       traefik.http.routers.app.middlewares: https_redirect
-    
+
       traefik.http.routers.appsecured.rule: Host(`example.net`)
       traefik.http.routers.appsecured.entrypoints: websecure
       traefik.http.routers.appsecured.tls: true
-    
+
       traefik.http.middlewares.https_redirect.redirectscheme.scheme: https
       traefik.http.middlewares.https_redirect.redirectscheme.permanent: true
     ```
@@ -442,7 +442,7 @@ To apply a redirection:
     kind: IngressRoute
     metadata:
       name: http-redirect-ingressRoute
-    
+
     spec:
       entryPoints:
         - web
@@ -454,13 +454,13 @@ To apply a redirection:
               port: 80
           middlewares:
             - name: https-redirect
-    
+
     ---
     apiVersion: traefik.containo.us/v1alpha1
     kind: IngressRoute
     metadata:
       name: https-ingressRoute
-    
+
     spec:
       entryPoints:
         - websecure
@@ -471,7 +471,7 @@ To apply a redirection:
             - name: whoami
               port: 80
       tls: {}
-      
+
     ---
     apiVersion: traefik.containo.us/v1alpha1
     kind: Middleware
@@ -483,33 +483,10 @@ To apply a redirection:
         permanent: true
     ```
 
-    ```toml tab="File (TOML)"
-    ## dynamic configuration
-    # dynamic-conf.toml
-    
-    [http.routers]
-      [http.routers.router0]
-        rule = "Host(`example.net`)"
-        service = "my-service"
-        entrypoints = ["web"]
-        middlewares = ["https_redirect"]
-    
-    [http.routers.router1]
-        rule = "Host(`example.net`)"
-        service = "my-service"
-        entrypoints = ["websecure"]
-        [http.routers.router1.tls]
-    
-    [http.middlewares]
-      [http.middlewares.https_redirect.redirectScheme]
-        scheme = "https"
-        permanent = true
-    ```
-
     ```yaml tab="File (YAML)"
     ## dynamic configuration
     # dynamic-conf.yml
-    
+
     http:
       routers:
         router0:
@@ -519,14 +496,14 @@ To apply a redirection:
           middlewares:
             - https_redirect
           service: my-service
-    
+
         router1:
           rule: "Host(`example.net`)"
           entryPoints:
             - websecure
           service: my-service
           tls: {}
-    
+
       middlewares:
         https-redirect:
           redirectScheme:
@@ -534,6 +511,29 @@ To apply a redirection:
             permanent: true
     ```
 
+    ```toml tab="File (TOML)"
+    ## dynamic configuration
+    # dynamic-conf.toml
+
+    [http.routers]
+      [http.routers.router0]
+        rule = "Host(`example.net`)"
+        service = "my-service"
+        entrypoints = ["web"]
+        middlewares = ["https_redirect"]
+
+    [http.routers.router1]
+        rule = "Host(`example.net`)"
+        service = "my-service"
+        entrypoints = ["websecure"]
+        [http.routers.router1.tls]
+
+    [http.middlewares]
+      [http.middlewares.https_redirect.redirectScheme]
+        scheme = "https"
+        permanent = true
+    ```
+
 ## Strip and Rewrite Path Prefixes
 
 With the new core notions of v2 (introduced earlier in the section
@@ -619,23 +619,6 @@ with the path `/admin` stripped, e.g. to `http://<IP>:<port>/`. In this case, yo
           - /admin
     ```
 
-    ```toml tab="File (TOML)"
-    ## Dynamic configuration
-    # dynamic-conf.toml
-
-    [http.routers.router1]
-        rule = "Host(`example.org`) && PathPrefix(`/admin`)"
-        service = "admin-svc"
-        entrypoints = ["web"]
-        middlewares = ["admin-stripprefix"]
-
-    [http.middlewares]
-      [http.middlewares.admin-stripprefix.stripPrefix]
-      prefixes = ["/admin"]
-    
-    # ...
-    ```
-
     ```yaml tab="File (YAML)"
     ## Dynamic Configuration
     # dynamic-conf.yml
@@ -652,12 +635,29 @@ with the path `/admin` stripped, e.g. to `http://<IP>:<port>/`. In this case, yo
       middlewares:
         admin-stripprefix:
           stripPrefix:
-            prefixes: 
+            prefixes:
             - "/admin"
 
     # ...
     ```
 
+    ```toml tab="File (TOML)"
+    ## Dynamic configuration
+    # dynamic-conf.toml
+
+    [http.routers.router1]
+        rule = "Host(`example.org`) && PathPrefix(`/admin`)"
+        service = "admin-svc"
+        entrypoints = ["web"]
+        middlewares = ["admin-stripprefix"]
+
+    [http.middlewares]
+      [http.middlewares.admin-stripprefix.stripPrefix]
+      prefixes = ["/admin"]
+
+    # ...
+    ```
+
 ??? question "What About Other Path Transformations?"
 
     Instead of removing the path prefix with the [`stripprefix` middleware](../../middlewares/http/stripprefix/), you can also:
@@ -674,11 +674,11 @@ with the path `/admin` stripped, e.g. to `http://<IP>:<port>/`. In this case, yo
 !!! example "ACME from provider to a specific Certificate Resolver"
 
     !!! info "v1"
-    
+
     ```toml tab="File (TOML)"
     # static configuration
     defaultEntryPoints = ["websecure","web"]
-    
+
     [entryPoints.web]
     address = ":80"
       [entryPoints.web.redirect]
@@ -686,7 +686,7 @@ with the path `/admin` stripped, e.g. to `http://<IP>:<port>/`. In this case, yo
     [entryPoints.websecure]
       address = ":443"
       [entryPoints.websecure.tls]
-    
+
     [acme]
       email = "your-email-here@example.com"
       storage = "acme.json"
@@ -708,34 +708,17 @@ with the path `/admin` stripped, e.g. to `http://<IP>:<port>/`. In this case, yo
 
     !!! info "v2"
 
-    ```toml tab="File (TOML)"
-    # static configuration
-    [entryPoints]
-      [entryPoints.web]
-        address = ":80"
-    
-      [entryPoints.websecure]
-        address = ":443"
-      [entryPoints.websecure.http.tls]
-        certResolver = "myresolver"
-    
-    [certificatesResolvers.myresolver.acme]
-      email = "your-email@example.com"
-      storage = "acme.json"
-      [certificatesResolvers.myresolver.acme.tlsChallenge]
-    ```
-
     ```yaml tab="File (YAML)"
     entryPoints:
       web:
         address: ":80"
-    
+
       websecure:
         address: ":443"
         http:
           tls:
             certResolver: myresolver
-    
+
     certificatesResolvers:
       myresolver:
         acme:
@@ -744,6 +727,23 @@ with the path `/admin` stripped, e.g. to `http://<IP>:<port>/`. In this case, yo
           tlsChallenge: {}
     ```
 
+    ```toml tab="File (TOML)"
+    # static configuration
+    [entryPoints]
+      [entryPoints.web]
+        address = ":80"
+
+      [entryPoints.websecure]
+        address = ":443"
+      [entryPoints.websecure.http.tls]
+        certResolver = "myresolver"
+
+    [certificatesResolvers.myresolver.acme]
+      email = "your-email@example.com"
+      storage = "acme.json"
+      [certificatesResolvers.myresolver.acme.tlsChallenge]
+    ```
+
     ```bash tab="CLI"
     --entrypoints.web.address=:80
     --entrypoints.websecure.address=:443
@@ -764,7 +764,7 @@ There is no more log configuration at the root level.
     ```toml tab="File (TOML)"
     # static configuration
     logLevel = "DEBUG"
-    
+
     [traefikLog]
       filePath = "/path/to/traefik.log"
       format   = "json"
@@ -778,14 +778,6 @@ There is no more log configuration at the root level.
 
     !!! info "v2"
 
-    ```toml tab="File (TOML)"
-    # static configuration
-    [log]
-      level = "DEBUG"
-      filePath = "/path/to/log-file.log"
-      format = "json"
-    ```
-
     ```yaml tab="File (YAML)"
     # static configuration
     log:
@@ -794,6 +786,14 @@ There is no more log configuration at the root level.
       format: json
     ```
 
+    ```toml tab="File (TOML)"
+    # static configuration
+    [log]
+      level = "DEBUG"
+      filePath = "/path/to/log-file.log"
+      format = "json"
+    ```
+
     ```bash tab="CLI"
     --log.level=DEBUG
     --log.filePath=/path/to/traefik.log
@@ -838,17 +838,6 @@ Traefik v2 retains OpenTracing support. The `backend` root option from the v1 is
 
     !!! info "v2"
 
-    ```toml tab="File (TOML)"
-    # static configuration
-    [tracing]
-      servicename = "tracing"
-      [tracing.jaeger]
-        samplingParam = 1.0
-        samplingServerURL = "http://12.0.0.1:5778/sampling"
-        samplingType = "const"
-        localAgentHostPort = "12.0.0.1:6831"
-    ```
-
     ```yaml tab="File (YAML)"
     # static configuration
     tracing:
@@ -860,6 +849,17 @@ Traefik v2 retains OpenTracing support. The `backend` root option from the v1 is
         localAgentHostPort: '12.0.0.1:6831'
     ```
 
+    ```toml tab="File (TOML)"
+    # static configuration
+    [tracing]
+      servicename = "tracing"
+      [tracing.jaeger]
+        samplingParam = 1.0
+        samplingServerURL = "http://12.0.0.1:5778/sampling"
+        samplingType = "const"
+        localAgentHostPort = "12.0.0.1:6831"
+    ```
+
     ```bash tab="CLI"
     --tracing.servicename=tracing
     --tracing.jaeger.localagenthostport=12.0.0.1:6831
@@ -891,13 +891,6 @@ For a basic configuration, the [metrics configuration](../observability/metrics/
 
     !!! info "v2"
 
-    ```toml tab="File (TOML)"
-    # static configuration
-    [metrics.prometheus]
-      buckets = [0.1,0.3,1.2,5.0]
-      entryPoint = "metrics"
-    ```
-
     ```yaml tab="File (YAML)"
     # static configuration
     metrics:
@@ -910,6 +903,13 @@ For a basic configuration, the [metrics configuration](../observability/metrics/
         entryPoint: metrics
     ```
 
+    ```toml tab="File (TOML)"
+    # static configuration
+    [metrics.prometheus]
+      buckets = [0.1,0.3,1.2,5.0]
+      entryPoint = "metrics"
+    ```
+
     ```bash tab="CLI"
     --metrics.prometheus.buckets=[0.1,0.3,1.2,5.0]
     --metrics.prometheus.entrypoint=metrics
@@ -955,43 +955,43 @@ Each root item has been moved to a related section or removed.
 
     !!! info "v2"
 
-    ```toml tab="File (TOML)"
-    # static configuration
-    [global]
-      checkNewVersion = true
-      sendAnonymousUsage = true
-    
-    [log]
-      level = "DEBUG"
-    
-    [serversTransport]
-      insecureSkipVerify = true
-      rootCAs = [ "/mycert.cert" ]
-      maxIdleConnsPerHost = 42
-    
-    [providers]
-      providersThrottleDuration = 42
-    ```
-
     ```yaml tab="File (YAML)"
     # static configuration
     global:
       checkNewVersion: true
       sendAnonymousUsage: true
-    
+
     log:
       level: DEBUG
-    
+
     serversTransport:
       insecureSkipVerify: true
       rootCAs:
         - /mycert.cert
       maxIdleConnsPerHost: 42
-    
+
     providers:
       providersThrottleDuration: 42
     ```
 
+    ```toml tab="File (TOML)"
+    # static configuration
+    [global]
+      checkNewVersion = true
+      sendAnonymousUsage = true
+
+    [log]
+      level = "DEBUG"
+
+    [serversTransport]
+      insecureSkipVerify = true
+      rootCAs = [ "/mycert.cert" ]
+      maxIdleConnsPerHost = 42
+
+    [providers]
+      providersThrottleDuration = 42
+    ```
+
     ```bash tab="CLI"
     --global.checknewversion=true
     --global.sendanonymoususage=true
@@ -1018,7 +1018,7 @@ To activate the dashboard, you can either:
     ```toml tab="File (TOML)"
     ## static configuration
     # traefik.toml
-    
+
     [entryPoints.websecure]
       address = ":443"
       [entryPoints.websecure.tls]
@@ -1027,7 +1027,7 @@ To activate the dashboard, you can either:
           users = [
             "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/"
           ]
-    
+
     [api]
       entryPoint = "websecure"
     ```
@@ -1050,55 +1050,25 @@ To activate the dashboard, you can either:
       - "traefik.http.middlewares.myAuth.basicauth.users=test:$$apr1$$H6uskkkW$$IgXLP6ewTrSuBkTrqE8wj/"
     ```
 
-    ```toml tab="File (TOML)"
-    ## static configuration
-    # traefik.toml
-    
-    [entryPoints.websecure]
-      address = ":443"
-    
-    [api]
-    
-    [providers.file]
-      directory = "/path/to/dynamic/config"
-    
-    ##---------------------##
-    
-    ## dynamic configuration
-    # /path/to/dynamic/config/dynamic-conf.toml
-    
-    [http.routers.api]
-      rule = "Host(`traefik.docker.localhost`)"
-      entrypoints = ["websecure"]
-      service = "api@internal"
-      middlewares = ["myAuth"]
-      [http.routers.api.tls]
-    
-    [http.middlewares.myAuth.basicAuth]
-      users = [
-        "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/"
-      ]
-    ```
-
     ```yaml tab="File (YAML)"
     ## static configuration
-    # traefik.yaml
+    # traefik.yml
-    
+
     entryPoints:
       websecure:
         address: ':443'
-        
+
     api: {}
-    
+
     providers:
       file:
         directory: /path/to/dynamic/config
-   
+
     ##---------------------##
-    
+
     ## dynamic configuration
-    # /path/to/dynamic/config/dynamic-conf.yaml
+    # /path/to/dynamic/config/dynamic-conf.yml
-    
+
      http:
       routers:
         api:
@@ -1109,7 +1079,7 @@ To activate the dashboard, you can either:
           middlewares:
             - myAuth
           tls: {}
-          
+
       middlewares:
         myAuth:
           basicAuth:
@@ -1117,6 +1087,36 @@ To activate the dashboard, you can either:
               - 'test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/'
     ```
 
+    ```toml tab="File (TOML)"
+    ## static configuration
+    # traefik.toml
+
+    [entryPoints.websecure]
+      address = ":443"
+
+    [api]
+
+    [providers.file]
+      directory = "/path/to/dynamic/config"
+
+    ##---------------------##
+
+    ## dynamic configuration
+    # /path/to/dynamic/config/dynamic-conf.toml
+
+    [http.routers.api]
+      rule = "Host(`traefik.docker.localhost`)"
+      entrypoints = ["websecure"]
+      service = "api@internal"
+      middlewares = ["myAuth"]
+      [http.routers.api.tls]
+
+    [http.middlewares.myAuth.basicAuth]
+      users = [
+        "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/"
+      ]
+    ```
+
 ## Providers
 
 Supported [providers](../providers/overview.md), for now:

docs/content/observability/access-logs.md

@@ -5,18 +5,18 @@ Who Calls Whom?
 
 By default, logs are written to stdout, in text format.
 
-## Configuration 
+## Configuration
 
 To enable the access logs:
 
-```toml tab="File (TOML)"
-[accessLog]
-```
-
 ```yaml tab="File (YAML)"
 accessLog: {}
 ```
 
+```toml tab="File (TOML)"
+[accessLog]
+```
+
 ```bash tab="CLI"
 --accesslog=true
 ```
@@ -26,28 +26,28 @@ accessLog: {}
 By default access logs are written to the standard output.
 To write the logs into a log file, use the `filePath` option.
 
-```toml tab="File (TOML)"
-[accessLog]
-  filePath = "/path/to/access.log"
-```
-
 ```yaml tab="File (YAML)"
 accessLog:
   filePath: "/path/to/access.log"
 ```
 
+```toml tab="File (TOML)"
+[accessLog]
+  filePath = "/path/to/access.log"
+```
+
 ```bash tab="CLI"
 --accesslog.filepath=/path/to/access.log
 ```
 
 ### `format`
- 
+
 By default, logs are written using the Common Log Format (CLF).
 To write logs in JSON, use `json` in the `format` option.
 If the given format is unsupported, the default (CLF) is used instead.
 
 !!! info "Common Log Format"
-    
+
     ```html
     <remote_IP_address> - <client_user_name_if_available> [<timestamp>] "<request_method> <request_path> <request_protocol>" <origin_server_HTTP_status> <origin_server_content_size> "<request_referrer>" "<request_user_agent>" <number_of_requests_received_since_Traefik_started> "<Traefik_router_name>" "<Traefik_server_URL>" <request_duration_in_ms>ms
     ```
@@ -58,13 +58,6 @@ To write the logs in an asynchronous fashion, specify a  `bufferingSize` option.
 This option represents the number of log lines Traefik will keep in memory before writing them to the selected output.
 In some cases, this option can greatly help performances.
 
-```toml tab="File (TOML)"
-# Configuring a buffer of 100 lines
-[accessLog]
-  filePath = "/path/to/access.log"
-  bufferingSize = 100
-```
-
 ```yaml tab="File (YAML)"
 # Configuring a buffer of 100 lines
 accessLog:
@@ -72,6 +65,13 @@ accessLog:
   bufferingSize: 100
 ```
 
+```toml tab="File (TOML)"
+# Configuring a buffer of 100 lines
+[accessLog]
+  filePath = "/path/to/access.log"
+  bufferingSize = 100
+```
+
 ```bash tab="CLI"
 # Configuring a buffer of 100 lines
 --accesslog.filepath=/path/to/access.log
@@ -80,40 +80,40 @@ accessLog:
 
 ### Filtering
 
-To filter logs, you can specify a set of filters which are logically "OR-connected". 
+To filter logs, you can specify a set of filters which are logically "OR-connected".
 Thus, specifying multiple filters will keep more access logs than specifying only one.
 
-The available filters are: 
+The available filters are:
 
 - `statusCodes`, to limit the access logs to requests with a status codes in the specified range
 - `retryAttempts`, to keep the access logs when at least one retry has happened
 - `minDuration`, to keep access logs when requests take longer than the specified duration (provided in seconds or as a valid duration format, see [time.ParseDuration](https://golang.org/pkg/time/#ParseDuration))
 
+```yaml tab="File (YAML)"
+# Configuring Multiple Filters
+accessLog:
+  filePath: "/path/to/access.log"
+  format: json
+  filters:
+    statusCodes:
+      - "200"
+      - "300-302"
+    retryAttempts: true
+    minDuration: "10ms"
+```
+
 ```toml tab="File (TOML)"
 # Configuring Multiple Filters
 [accessLog]
   filePath = "/path/to/access.log"
   format = "json"
 
-  [accessLog.filters]    
+  [accessLog.filters]
     statusCodes = ["200", "300-302"]
     retryAttempts = true
     minDuration = "10ms"
 ```
 
-```yaml tab="File (YAML)"
-# Configuring Multiple Filters
-accessLog:
-  filePath: "/path/to/access.log"
-  format: json
-  filters:    
-    statusCodes:
-      - "200"
-      - "300-302"
-    retryAttempts: true
-    minDuration: "10ms"
-```
-
 ```bash tab="CLI"
 # Configuring Multiple Filters
 --accesslog.filepath=/path/to/access.log
@@ -135,27 +135,9 @@ Each field can be set to:
 
 The `defaultMode` for `fields.headers` is `drop`.
 
-```toml tab="File (TOML)"
-# Limiting the Logs to Specific Fields
-[accessLog]
-  filePath = "/path/to/access.log"
-  format = "json"
-
   [accessLog.fields]
     defaultMode = "keep"
 
-    [accessLog.fields.names]
-      "ClientUsername" = "drop"
-
-    [accessLog.fields.headers]
-      defaultMode = "keep"
-  
-      [accessLog.fields.headers.names]
-        "User-Agent" = "redact"
-        "Authorization" = "drop"
-        "Content-Type" = "keep"
-```
-
 ```yaml tab="File (YAML)"
 # Limiting the Logs to Specific Fields
 accessLog:
@@ -173,6 +155,24 @@ accessLog:
           Content-Type: keep
 ```
 
+```toml tab="File (TOML)"
+# Limiting the Logs to Specific Fields
+[accessLog]
+  filePath = "/path/to/access.log"
+  format = "json"
+
+    [accessLog.fields.names]
+      "ClientUsername" = "drop"
+
+    [accessLog.fields.headers]
+      defaultMode = "keep"
+
+      [accessLog.fields.headers.names]
+        "User-Agent" = "redact"
+        "Authorization" = "drop"
+        "Content-Type" = "keep"
+```
+
 ```bash tab="CLI"
 # Limiting the Logs to Specific Fields
 --accesslog.filepath=/path/to/access.log

docs/content/observability/logs.md

@@ -16,18 +16,18 @@ Traefik logs concern everything that happens to Traefik itself (startup, configu
 By default, the logs are written to the standard output.
 You can configure a file path instead using the `filePath` option.
 
-```toml tab="File (TOML)"
-# Writing Logs to a File
-[log]
-  filePath = "/path/to/traefik.log"
-```
-
 ```yaml tab="File (YAML)"
 # Writing Logs to a File
 log:
   filePath: "/path/to/traefik.log"
 ```
 
+```toml tab="File (TOML)"
+# Writing Logs to a File
+[log]
+  filePath = "/path/to/traefik.log"
+```
+
 ```bash tab="CLI"
 # Writing Logs to a File
 --log.filePath=/path/to/traefik.log
@@ -35,14 +35,7 @@ log:
 
 #### `format`
 
-By default, the logs use a text format (`common`), but you can also ask for the `json` format in the `format` option.   
+By default, the logs use a text format (`common`), but you can also ask for the `json` format in the `format` option.
-
-```toml tab="File (TOML)"
-# Writing Logs to a File, in JSON
-[log]
-  filePath = "/path/to/log-file.log"
-  format = "json"
-```
 
 ```yaml tab="File (YAML)"
 # Writing Logs to a File, in JSON
@@ -51,6 +44,13 @@ log:
   format: json
 ```
 
+```toml tab="File (TOML)"
+# Writing Logs to a File, in JSON
+[log]
+  filePath = "/path/to/log-file.log"
+  format = "json"
+```
+
 ```bash tab="CLI"
 # Writing Logs to a File, in JSON
 --log.filePath=/path/to/traefik.log
@@ -59,18 +59,18 @@ log:
 
 #### `level`
 
-By default, the `level` is set to `ERROR`. Alternative logging levels are `DEBUG`, `PANIC`, `FATAL`, `ERROR`, `WARN`, and `INFO`. 
+By default, the `level` is set to `ERROR`. Alternative logging levels are `DEBUG`, `PANIC`, `FATAL`, `ERROR`, `WARN`, and `INFO`.
-
-```toml tab="File (TOML)"
-[log]
-  level = "DEBUG"
-```
 
 ```yaml tab="File (YAML)"
 log:
   level: DEBUG
 ```
 
+```toml tab="File (TOML)"
+[log]
+  level = "DEBUG"
+```
+
 ```bash tab="CLI"
 --log.level=DEBUG
 ```

docs/content/observability/metrics/datadog.md

@@ -2,16 +2,16 @@
 
 To enable the Datadog:
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.datadog]
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   datadog: {}
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.datadog]
+```
+
 ```bash tab="CLI"
 --metrics.datadog=true
 ```
@@ -22,18 +22,18 @@ _Required, Default="127.0.0.1:8125"_
 
 Address instructs exporter to send metrics to datadog-agent at this address.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.datadog]
-    address = "127.0.0.1:8125"
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   datadog:
     address: 127.0.0.1:8125
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.datadog]
+    address = "127.0.0.1:8125"
+```
+
 ```bash tab="CLI"
 --metrics.datadog.address=127.0.0.1:8125
 ```
@@ -44,18 +44,18 @@ _Optional, Default=true_
 
 Enable metrics on entry points.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.datadog]
-    addEntryPointsLabels = true
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   datadog:
     addEntryPointsLabels: true
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.datadog]
+    addEntryPointsLabels = true
+```
+
 ```bash tab="CLI"
 --metrics.datadog.addEntryPointsLabels=true
 ```
@@ -87,18 +87,18 @@ _Optional, Default=true_
 
 Enable metrics on services.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.datadog]
-    addServicesLabels = true
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   datadog:
     addServicesLabels: true
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.datadog]
+    addServicesLabels = true
+```
+
 ```bash tab="CLI"
 --metrics.datadog.addServicesLabels=true
 ```
@@ -109,18 +109,18 @@ _Optional, Default=10s_
 
 The interval used by the exporter to push metrics to datadog-agent.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.datadog]
-    pushInterval = 10s
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   datadog:
     pushInterval: 10s
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.datadog]
+    pushInterval = 10s
+```
+
 ```bash tab="CLI"
 --metrics.datadog.pushInterval=10s
 ```

docs/content/observability/metrics/influxdb.md

@@ -2,16 +2,16 @@
 
 To enable the InfluxDB:
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.influxDB]
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   influxDB: {}
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.influxDB]
+```
+
 ```bash tab="CLI"
 --metrics.influxdb=true
 ```
@@ -22,18 +22,18 @@ _Required, Default="localhost:8089"_
 
 Address instructs exporter to send metrics to influxdb at this address.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.influxDB]
-    address = "localhost:8089"
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   influxDB:
     address: localhost:8089
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.influxDB]
+    address = "localhost:8089"
+```
+
 ```bash tab="CLI"
 --metrics.influxdb.address=localhost:8089
 ```
@@ -44,18 +44,18 @@ _Required, Default="udp"_
 
 InfluxDB's address protocol (udp or http).
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.influxDB]
-    protocol = "udp"
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   influxDB:
     protocol: udp
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.influxDB]
+    protocol = "udp"
+```
+
 ```bash tab="CLI"
 --metrics.influxdb.protocol=udp
 ```
@@ -66,18 +66,18 @@ _Optional, Default=""_
 
 InfluxDB database used when protocol is http.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.influxDB]
-    database = "db"
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   influxDB:
     database: "db"
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.influxDB]
+    database = "db"
+```
+
 ```bash tab="CLI"
 --metrics.influxdb.database=db
 ```
@@ -88,18 +88,18 @@ _Optional, Default=""_
 
 InfluxDB retention policy used when protocol is http.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.influxDB]
-    retentionPolicy = "two_hours"
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   influxDB:
     retentionPolicy: "two_hours"
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.influxDB]
+    retentionPolicy = "two_hours"
+```
+
 ```bash tab="CLI"
 --metrics.influxdb.retentionPolicy=two_hours
 ```
@@ -110,18 +110,18 @@ _Optional, Default=""_
 
 InfluxDB username (only with http).
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.influxDB]
-    username = "john"
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   influxDB:
     username: "john"
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.influxDB]
+    username = "john"
+```
+
 ```bash tab="CLI"
 --metrics.influxdb.username=john
 ```
@@ -132,18 +132,18 @@ _Optional, Default=""_
 
 InfluxDB password (only with http).
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.influxDB]
-    password = "secret"
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   influxDB:
     password: "secret"
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.influxDB]
+    password = "secret"
+```
+
 ```bash tab="CLI"
 --metrics.influxdb.password=secret
 ```
@@ -154,18 +154,18 @@ _Optional, Default=true_
 
 Enable metrics on entry points.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.influxDB]
-    addEntryPointsLabels = true
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   influxDB:
     addEntryPointsLabels: true
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.influxDB]
+    addEntryPointsLabels = true
+```
+
 ```bash tab="CLI"
 --metrics.influxdb.addEntryPointsLabels=true
 ```
@@ -198,18 +198,18 @@ _Optional, Default=true_
 
 Enable metrics on services.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.influxDB]
-    addServicesLabels = true
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   influxDB:
     addServicesLabels: true
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.influxDB]
+    addServicesLabels = true
+```
+
 ```bash tab="CLI"
 --metrics.influxdb.addServicesLabels=true
 ```
@@ -220,18 +220,18 @@ _Optional, Default=10s_
 
 The interval used by the exporter to push metrics to influxdb.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.influxDB]
-    pushInterval = 10s
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   influxDB:
     pushInterval: 10s
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.influxDB]
+    pushInterval = 10s
+```
+
 ```bash tab="CLI"
 --metrics.influxdb.pushInterval=10s
 ```

docs/content/observability/metrics/overview.md

@@ -11,14 +11,14 @@ Traefik supports 4 metrics backends:
 
 To enable metrics:
 
-```toml tab="File (TOML)"
-[metrics]
-```
-
 ```yaml tab="File (YAML)"
 metrics: {}
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+```
+
 ```bash tab="CLI"
 --metrics=true
 ```

docs/content/observability/metrics/prometheus.md

@@ -2,16 +2,16 @@
 
 To enable the Prometheus:
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.prometheus]
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   prometheus: {}
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.prometheus]
+```
+
 ```bash tab="CLI"
 --metrics.prometheus=true
 ```
@@ -22,12 +22,6 @@ _Optional, Default="0.100000, 0.300000, 1.200000, 5.000000"_
 
 Buckets for latency metrics.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.prometheus]
-    buckets = [0.1,0.3,1.2,5.0]
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   prometheus:
@@ -38,6 +32,12 @@ metrics:
       - 5.0
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.prometheus]
+    buckets = [0.1,0.3,1.2,5.0]
+```
+
 ```bash tab="CLI"
 --metrics.prometheus.buckets=0.100000, 0.300000, 1.200000, 5.000000
 ```
@@ -48,18 +48,18 @@ _Optional, Default=true_
 
 Enable metrics on entry points.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.prometheus]
-    addEntryPointsLabels = true
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   prometheus:
     addEntryPointsLabels: true
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.prometheus]
+    addEntryPointsLabels = true
+```
+
 ```bash tab="CLI"
 --metrics.prometheus.addEntryPointsLabels=true
 ```
@@ -92,18 +92,18 @@ _Optional, Default=true_
 
 Enable metrics on services.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.prometheus]
-    addServicesLabels = true
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   prometheus:
     addServicesLabels: true
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.prometheus]
+    addServicesLabels = true
+```
+
 ```bash tab="CLI"
 --metrics.prometheus.addServicesLabels=true
 ```
@@ -114,16 +114,6 @@ _Optional, Default=traefik_
 
 Entry point used to expose metrics.
 
-```toml tab="File (TOML)"
-[entryPoints]
-  [entryPoints.metrics]
-    address = ":8082"
-
-[metrics]
-  [metrics.prometheus]
-    entryPoint = "metrics"
-```
-
 ```yaml tab="File (YAML)"
 entryPoints:
   metrics:
@@ -134,6 +124,16 @@ metrics:
     entryPoint: metrics
 ```
 
+```toml tab="File (TOML)"
+[entryPoints]
+  [entryPoints.metrics]
+    address = ":8082"
+
+[metrics]
+  [metrics.prometheus]
+    entryPoint = "metrics"
+```
+
 ```bash tab="CLI"
 --entryPoints.metrics.address=:8082
 --metrics.prometheus.entryPoint=metrics
@@ -145,18 +145,18 @@ _Optional, Default=false_
 
 If `manualRouting` is `true`, it disables the default internal router in order to allow one to create a custom router for the `prometheus@internal` service.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.prometheus]
-    manualRouting = true
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   prometheus:
     manualRouting: true
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.prometheus]
+    manualRouting = true
+```
+
 ```bash tab="CLI"
 --metrics.prometheus.manualrouting=true
 ```

docs/content/observability/metrics/statsd.md

@@ -2,16 +2,16 @@
 
 To enable the Statsd:
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.statsD]
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   statsD: {}
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.statsD]
+```
+
 ```bash tab="CLI"
 --metrics.statsd=true
 ```
@@ -22,18 +22,18 @@ _Required, Default="localhost:8125"_
 
 Address instructs exporter to send metrics to statsd at this address.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.statsD]
-    address = "localhost:8125"
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   statsD:
     address: localhost:8125
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.statsD]
+    address = "localhost:8125"
+```
+
 ```bash tab="CLI"
 --metrics.statsd.address=localhost:8125
 ```
@@ -44,18 +44,18 @@ _Optional, Default=true_
 
 Enable metrics on entry points.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.statsD]
-    addEntryPointsLabels = true
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   statsD:
     addEntryPointsLabels: true
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.statsD]
+    addEntryPointsLabels = true
+```
+
 ```bash tab="CLI"
 --metrics.statsd.addEntryPointsLabels=true
 ```
@@ -88,18 +88,18 @@ _Optional, Default=true_
 
 Enable metrics on services.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.statsD]
-    addServicesLabels = true
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   statsD:
     addServicesLabels: true
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.statsD]
+    addServicesLabels = true
+```
+
 ```bash tab="CLI"
 --metrics.statsd.addServicesLabels=true
 ```
@@ -110,18 +110,18 @@ _Optional, Default=10s_
 
 The interval used by the exporter to push metrics to statsD.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.statsD]
-    pushInterval = 10s
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   statsD:
     pushInterval: 10s
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.statsD]
+    pushInterval = 10s
+```
+
 ```bash tab="CLI"
 --metrics.statsd.pushInterval=10s
 ```
@@ -132,18 +132,18 @@ _Optional, Default="traefik"_
 
 The prefix to use for metrics collection.
 
-```toml tab="File (TOML)"
-[metrics]
-  [metrics.statsD]
-    prefix = "traefik"
-```
-
 ```yaml tab="File (YAML)"
 metrics:
   statsD:
     prefix: traefik
 ```
 
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.statsD]
+    prefix = "traefik"
+```
+
 ```bash tab="CLI"
 --metrics.statsd.prefix="traefik"
 ```

docs/content/observability/tracing/datadog.md

@@ -2,16 +2,16 @@
 
 To enable the Datadog:
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.datadog]
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   datadog: {}
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.datadog]
+```
+
 ```bash tab="CLI"
 --tracing.datadog=true
 ```
@@ -22,18 +22,18 @@ _Required, Default="127.0.0.1:8126"_
 
 Local Agent Host Port instructs reporter to send spans to datadog-tracing-agent at this address.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.datadog]
-    localAgentHostPort = "127.0.0.1:8126"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   datadog:
     localAgentHostPort: 127.0.0.1:8126
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.datadog]
+    localAgentHostPort = "127.0.0.1:8126"
+```
+
 ```bash tab="CLI"
 --tracing.datadog.localAgentHostPort=127.0.0.1:8126
 ```
@@ -44,18 +44,18 @@ _Optional, Default=false_
 
 Enable Datadog debug.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.datadog]
-    debug = true
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   datadog:
     debug: true
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.datadog]
+    debug = true
+```
+
 ```bash tab="CLI"
 --tracing.datadog.debug=true
 ```
@@ -66,18 +66,18 @@ _Optional, Default=empty_
 
 Apply shared tag in a form of Key:Value to all the traces.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.datadog]
-    globalTag = "sample"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   datadog:
     globalTag: sample
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.datadog]
+    globalTag = "sample"
+```
+
 ```bash tab="CLI"
 --tracing.datadog.globalTag=sample
 ```
@@ -89,18 +89,18 @@ _Optional, Default=false_
 Enable priority sampling. When using distributed tracing,
 this option must be enabled in order to get all the parts of a distributed trace sampled.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.datadog]
-    prioritySampling = true
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   datadog:
     prioritySampling: true
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.datadog]
+    prioritySampling = true
+```
+
 ```bash tab="CLI"
 --tracing.datadog.prioritySampling=true
 ```

docs/content/observability/tracing/elastic.md

@@ -2,16 +2,16 @@
 
 To enable the Elastic:
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.elastic]
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   elastic: {}
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.elastic]
+```
+
 ```bash tab="CLI"
 --tracing.elastic=true
 ```
@@ -22,18 +22,18 @@ _Optional, Default="http://localhost:8200"_
 
 APM ServerURL is the URL of the Elastic APM server.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.elastic]
-    serverURL = "http://apm:8200"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   elastic:
     serverURL: "http://apm:8200"
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.elastic]
+    serverURL = "http://apm:8200"
+```
+
 ```bash tab="CLI"
 --tracing.elastic.serverurl="http://apm:8200"
 ```
@@ -44,18 +44,18 @@ _Optional, Default=""_
 
 APM Secret Token is the token used to connect to Elastic APM Server.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.elastic]
-    secretToken = "mytoken"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   elastic:
     secretToken: "mytoken"
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.elastic]
+    secretToken = "mytoken"
+```
+
 ```bash tab="CLI"
 --tracing.elastic.secrettoken="mytoken"
 ```
@@ -66,18 +66,18 @@ _Optional, Default=""_
 
 APM Service Environment is the name of the environment Traefik is deployed in, e.g. `production` or `staging`.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.elastic]
-    serviceEnvironment = "production"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   elastic:
     serviceEnvironment: "production"
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.elastic]
+    serviceEnvironment = "production"
+```
+
 ```bash tab="CLI"
 --tracing.elastic.serviceenvironment="production"
 ```

docs/content/observability/tracing/haystack.md

@@ -2,16 +2,16 @@
 
 To enable the Haystack:
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.haystack]
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   haystack: {}
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.haystack]
+```
+
 ```bash tab="CLI"
 --tracing.haystack=true
 ```
@@ -22,18 +22,18 @@ _Require, Default="127.0.0.1"_
 
 Local Agent Host instructs reporter to send spans to haystack-agent at this address.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.haystack]
-    localAgentHost = "127.0.0.1"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   haystack:
     localAgentHost: 127.0.0.1
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.haystack]
+    localAgentHost = "127.0.0.1"
+```
+
 ```bash tab="CLI"
 --tracing.haystack.localAgentHost=127.0.0.1
 ```
@@ -44,18 +44,18 @@ _Require, Default=35000_
 
 Local Agent port instructs reporter to send spans to the haystack-agent at this port.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.haystack]
-    localAgentPort = 35000
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   haystack:
     localAgentPort: 35000
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.haystack]
+    localAgentPort = 35000
+```
+
 ```bash tab="CLI"
 --tracing.haystack.localAgentPort=35000
 ```
@@ -66,18 +66,18 @@ _Optional, Default=empty_
 
 Apply shared tag in a form of Key:Value to all the traces.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.haystack]
-    globalTag = "sample:test"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   haystack:
     globalTag: sample:test
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.haystack]
+    globalTag = "sample:test"
+```
+
 ```bash tab="CLI"
 --tracing.haystack.globalTag=sample:test
 ```
@@ -88,18 +88,18 @@ _Optional, Default=empty_
 
 Specifies the header name that will be used to store the trace ID.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.haystack]
-    traceIDHeaderName = "Trace-ID"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   haystack:
     traceIDHeaderName: Trace-ID
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.haystack]
+    traceIDHeaderName = "Trace-ID"
+```
+
 ```bash tab="CLI"
 --tracing.haystack.traceIDHeaderName=Trace-ID
 ```
@@ -110,18 +110,18 @@ _Optional, Default=empty_
 
 Specifies the header name that will be used to store the parent ID.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.haystack]
-    parentIDHeaderName = "Parent-Message-ID"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   haystack:
     parentIDHeaderName: Parent-Message-ID
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.haystack]
+    parentIDHeaderName = "Parent-Message-ID"
+```
+
 ```bash tab="CLI"
 --tracing.haystack.parentIDHeaderName=Parent-Message-ID
 ```
@@ -132,18 +132,18 @@ _Optional, Default=empty_
 
 Specifies the header name that will be used to store the span ID.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.haystack]
-    spanIDHeaderName = "Message-ID"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   haystack:
     spanIDHeaderName: Message-ID
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.haystack]
+    spanIDHeaderName = "Message-ID"
+```
+
 ```bash tab="CLI"
 --tracing.haystack.spanIDHeaderName=Message-ID
 ```
@@ -154,18 +154,18 @@ _Optional, Default=empty_
 
 Specifies the header name prefix that will be used to store baggage items in a map.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.haystack]
-    baggagePrefixHeaderName = "sample"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   haystack:
     baggagePrefixHeaderName: "sample"
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.haystack]
+    baggagePrefixHeaderName = "sample"
+```
+
 
 ```bash tab="CLI"
 --tracing.haystack.baggagePrefixHeaderName=sample

docs/content/observability/tracing/instana.md

@@ -2,16 +2,16 @@
 
 To enable the Instana:
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.instana]
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   instana: {}
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.instana]
+```
+
 ```bash tab="CLI"
 --tracing.instana=true
 ```
@@ -22,18 +22,18 @@ _Require, Default="127.0.0.1"_
 
 Local Agent Host instructs reporter to send spans to instana-agent at this address.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.instana]
-    localAgentHost = "127.0.0.1"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   instana:
     localAgentHost: 127.0.0.1
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.instana]
+    localAgentHost = "127.0.0.1"
+```
+
 ```bash tab="CLI"
 --tracing.instana.localAgentHost=127.0.0.1
 ```
@@ -44,18 +44,18 @@ _Require, Default=42699_
 
 Local Agent port instructs reporter to send spans to the instana-agent at this port.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.instana]
-    localAgentPort = 42699
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   instana:
     localAgentPort: 42699
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.instana]
+    localAgentPort = 42699
+```
+
 ```bash tab="CLI"
 --tracing.instana.localAgentPort=42699
 ```
@@ -73,18 +73,18 @@ Valid values for logLevel field are:
 - `debug`
 - `info`
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.instana]
-    logLevel = "info"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   instana:
     logLevel: info
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.instana]
+    logLevel = "info"
+```
+
 ```bash tab="CLI"
 --tracing.instana.logLevel=info
 ```

docs/content/observability/tracing/jaeger.md

@@ -2,16 +2,16 @@
 
 To enable the Jaeger:
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.jaeger]
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   jaeger: {}
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.jaeger]
+```
+
 ```bash tab="CLI"
 --tracing.jaeger=true
 ```
@@ -29,18 +29,18 @@ _Required, Default="http://localhost:5778/sampling"_
 
 Sampling Server URL is the address of jaeger-agent's HTTP sampling server.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.jaeger]
-    samplingServerURL = "http://localhost:5778/sampling"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   jaeger:
     samplingServerURL: http://localhost:5778/sampling
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.jaeger]
+    samplingServerURL = "http://localhost:5778/sampling"
+```
+
 ```bash tab="CLI"
 --tracing.jaeger.samplingServerURL=http://localhost:5778/sampling
 ```
@@ -51,18 +51,18 @@ _Required, Default="const"_
 
 Sampling Type specifies the type of the sampler: `const`, `probabilistic`, `rateLimiting`.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.jaeger]
-    samplingType = "const"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   jaeger:
     samplingType: const
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.jaeger]
+    samplingType = "const"
+```
+
 ```bash tab="CLI"
 --tracing.jaeger.samplingType=const
 ```
@@ -79,18 +79,18 @@ Valid values for Param field are:
 - for `probabilistic` sampler, a probability between 0 and 1
 - for `rateLimiting` sampler, the number of spans per second
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.jaeger]
-    samplingParam = 1.0
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   jaeger:
     samplingParam: 1.0
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.jaeger]
+    samplingParam = 1.0
+```
+
 ```bash tab="CLI"
 --tracing.jaeger.samplingParam=1.0
 ```
@@ -101,18 +101,18 @@ _Required, Default="127.0.0.1:6831"_
 
 Local Agent Host Port instructs reporter to send spans to jaeger-agent at this address.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.jaeger]
-    localAgentHostPort = "127.0.0.1:6831"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   jaeger:
     localAgentHostPort: 127.0.0.1:6831
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.jaeger]
+    localAgentHostPort = "127.0.0.1:6831"
+```
+
 ```bash tab="CLI"
 --tracing.jaeger.localAgentHostPort=127.0.0.1:6831
 ```
@@ -123,18 +123,18 @@ _Optional, Default=false_
 
 Generate 128-bit trace IDs, compatible with OpenCensus.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.jaeger]
-    gen128Bit = true
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   jaeger:
     gen128Bit: true
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.jaeger]
+    gen128Bit = true
+```
+
 ```bash tab="CLI"
 --tracing.jaeger.gen128Bit
 ```
@@ -149,18 +149,18 @@ This can be either:
 - `jaeger`, jaeger's default trace header.
 - `b3`, compatible with OpenZipkin
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.jaeger]
-    propagation = "jaeger"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   jaeger:
     propagation: jaeger
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.jaeger]
+    propagation = "jaeger"
+```
+
 ```bash tab="CLI"
 --tracing.jaeger.propagation=jaeger
 ```
@@ -172,18 +172,18 @@ _Required, Default="uber-trace-id"_
 Trace Context Header Name is the http header name used to propagate tracing context.
 This must be in lower-case to avoid mismatches when decoding incoming headers.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.jaeger]
-    traceContextHeaderName = "uber-trace-id"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   jaeger:
     traceContextHeaderName: uber-trace-id
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.jaeger]
+    traceContextHeaderName = "uber-trace-id"
+```
+
 ```bash tab="CLI"
 --tracing.jaeger.traceContextHeaderName=uber-trace-id
 ```
@@ -195,18 +195,18 @@ _Optional, Default=true_
 Disable the UDP connection helper that periodically re-resolves the agent's hostname and reconnects if there was a change.
 Enabling the re-resolving of UDP address make the client more robust in Kubernetes deployments.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.jaeger]
-    disableAttemptReconnecting = false
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   jaeger:
     disableAttemptReconnecting: false
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.jaeger]
+    disableAttemptReconnecting = false
+```
+
 ```bash tab="CLI"
 --tracing.jaeger.disableAttemptReconnecting=false
 ```
@@ -218,12 +218,6 @@ _Optional, Default=""_
 
 Collector Endpoint instructs reporter to send spans to jaeger-collector at this URL.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.jaeger.collector]
-    endpoint = "http://127.0.0.1:14268/api/traces?format=jaeger.thrift"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   jaeger:
@@ -231,6 +225,12 @@ tracing:
         endpoint: http://127.0.0.1:14268/api/traces?format=jaeger.thrift
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.jaeger.collector]
+    endpoint = "http://127.0.0.1:14268/api/traces?format=jaeger.thrift"
+```
+
 ```bash tab="CLI"
 --tracing.jaeger.collector.endpoint=http://127.0.0.1:14268/api/traces?format=jaeger.thrift
 ```
@@ -241,12 +241,6 @@ _Optional, Default=""_
 
 User instructs reporter to include a user for basic http authentication when sending spans to jaeger-collector.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.jaeger.collector]
-    user = "my-user"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   jaeger:
@@ -254,6 +248,12 @@ tracing:
         user: my-user
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.jaeger.collector]
+    user = "my-user"
+```
+
 ```bash tab="CLI"
 --tracing.jaeger.collector.user=my-user
 ```
@@ -264,12 +264,6 @@ _Optional, Default=""_
 
 Password instructs reporter to include a password for basic http authentication when sending spans to jaeger-collector.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.jaeger.collector]
-    password = "my-password"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   jaeger:
@@ -277,6 +271,12 @@ tracing:
         password: my-password
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.jaeger.collector]
+    password = "my-password"
+```
+
 ```bash tab="CLI"
 --tracing.jaeger.collector.password=my-password
 ```

docs/content/observability/tracing/overview.md

@@ -22,14 +22,14 @@ By default, Traefik uses Jaeger as tracing backend.
 
 To enable the tracing:
 
-```toml tab="File (TOML)"
-[tracing]
-```
-
 ```yaml tab="File (YAML)"
 tracing: {}
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+```
+
 ```bash tab="CLI"
 --tracing=true
 ```
@@ -42,16 +42,16 @@ _Required, Default="traefik"_
 
 Service name used in selected backend.
 
-```toml tab="File (TOML)"
-[tracing]
-  serviceName = "traefik"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   serviceName: traefik
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  serviceName = "traefik"
+```
+
 ```bash tab="CLI"
 --tracing.serviceName=traefik
 ```
@@ -65,16 +65,16 @@ This can prevent certain tracing providers to drop traces that exceed their leng
 
 `0` means no truncation will occur.
 
-```toml tab="File (TOML)"
-[tracing]
-  spanNameLimit = 150
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   spanNameLimit: 150
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  spanNameLimit = 150
+```
+
 ```bash tab="CLI"
 --tracing.spanNameLimit=150
 ```

docs/content/observability/tracing/zipkin.md

@@ -2,16 +2,16 @@
 
 To enable the Zipkin:
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.zipkin]
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   zipkin: {}
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.zipkin]
+```
+
 ```bash tab="CLI"
 --tracing.zipkin=true
 ```
@@ -22,18 +22,18 @@ _Required, Default="http://localhost:9411/api/v2/spans"_
 
 Zipkin HTTP endpoint used to send data.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.zipkin]
-    httpEndpoint = "http://localhost:9411/api/v2/spans"
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   zipkin:
     httpEndpoint: http://localhost:9411/api/v2/spans
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.zipkin]
+    httpEndpoint = "http://localhost:9411/api/v2/spans"
+```
+
 ```bash tab="CLI"
 --tracing.zipkin.httpEndpoint=http://localhost:9411/api/v2/spans
 ```
@@ -44,18 +44,18 @@ _Optional, Default=false_
 
 Use Zipkin SameSpan RPC style traces.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.zipkin]
-    sameSpan = true
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   zipkin:
     sameSpan: true
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.zipkin]
+    sameSpan = true
+```
+
 ```bash tab="CLI"
 --tracing.zipkin.sameSpan=true
 ```
@@ -66,18 +66,18 @@ _Optional, Default=true_
 
 Use Zipkin 128 bit trace IDs.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.zipkin]
-    id128Bit = false
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   zipkin:
     id128Bit: false
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.zipkin]
+    id128Bit = false
+```
+
 ```bash tab="CLI"
 --tracing.zipkin.id128Bit=false
 ```
@@ -88,18 +88,18 @@ _Required, Default=1.0_
 
 The rate between 0.0 and 1.0 of requests to trace.
 
-```toml tab="File (TOML)"
-[tracing]
-  [tracing.zipkin]
-    sampleRate = 0.2
-```
-
 ```yaml tab="File (YAML)"
 tracing:
   zipkin:
     sampleRate: 0.2
 ```
 
+```toml tab="File (TOML)"
+[tracing]
+  [tracing.zipkin]
+    sampleRate = 0.2
+```
+
 ```bash tab="CLI"
 --tracing.zipkin.sampleRate=0.2
 ```

docs/content/operations/api.md

@@ -26,16 +26,16 @@ If you enable the API, a new special `service` named `api@internal` is created a
 To enable the API handler, use the following option on the
 [static configuration](../getting-started/configuration-overview.md#the-static-configuration):
 
-```toml tab="File (TOML)"
-# Static Configuration
-[api]
-```
-
 ```yaml tab="File (YAML)"
 # Static Configuration
 api: {}
 ```
 
+```toml tab="File (TOML)"
+# Static Configuration
+[api]
+```
+
 ```bash tab="CLI"
 --api=true
 ```
@@ -74,16 +74,16 @@ Enable the API in `insecure` mode, which means that the API will be available di
 !!! info
     If the entryPoint named `traefik` is not configured, it will be automatically created on port 8080.
 
-```toml tab="File (TOML)"
-[api]
-  insecure = true
-```
-
 ```yaml tab="File (YAML)"
 api:
   insecure: true
 ```
 
+```toml tab="File (TOML)"
+[api]
+  insecure = true
+```
+
 ```bash tab="CLI"
 --api.insecure=true
 ```
@@ -94,16 +94,16 @@ _Optional, Default=true_
 
 Enable the dashboard. More about the dashboard features [here](./dashboard.md).
 
-```toml tab="File (TOML)"
-[api]
-  dashboard = true
-```
-
 ```yaml tab="File (YAML)"
 api:
   dashboard: true
 ```
 
+```toml tab="File (TOML)"
+[api]
+  dashboard = true
+```
+
 ```bash tab="CLI"
 --api.dashboard=true
 ```
@@ -117,16 +117,16 @@ _Optional, Default=false_
 
 Enable additional [endpoints](./api.md#endpoints) for debugging and profiling, served under `/debug/`.
 
-```toml tab="File (TOML)"
-[api]
-  debug = true
-```
-
 ```yaml tab="File (YAML)"
 api:
   debug: true
 ```
 
+```toml tab="File (TOML)"
+[api]
+  debug = true
+```
+
 ```bash tab="CLI"
 --api.debug=true
 ```

docs/content/operations/dashboard.md

@@ -31,16 +31,6 @@ This is the **recommended** method.
 Start by enabling the dashboard by using the following option from [Traefik's API](./api.md)
 on the [static configuration](../getting-started/configuration-overview.md#the-static-configuration):
 
-```toml tab="File (TOML)"
-[api]
-  # Dashboard
-  #
-  # Optional
-  # Default: true
-  #
-  dashboard = true
-```
-
 ```yaml tab="File (YAML)"
 api:
   # Dashboard
@@ -51,6 +41,16 @@ api:
   dashboard: true
 ```
 
+```toml tab="File (TOML)"
+[api]
+  # Dashboard
+  #
+  # Optional
+  # Default: true
+  #
+  dashboard = true
+```
+
 ```bash tab="CLI"
 # Dashboard
 #
@@ -105,18 +105,18 @@ This mode is not recommended because it does not allow the use of security featu
 
 To enable the "insecure mode", use the following options from [Traefik's API](./api.md#insecure):
 
-```toml tab="File (TOML)"
-[api]
-  dashboard = true
-  insecure = true
-```
-
 ```yaml tab="File (YAML)"
 api:
   dashboard: true
   insecure: true
 ```
 
+```toml tab="File (TOML)"
+[api]
+  dashboard = true
+  insecure = true
+```
+
 ```bash tab="CLI"
 --api.dashboard=true --api.insecure=true
 ```

docs/content/operations/include-api-examples.md

@@ -69,20 +69,6 @@ labels:
   - "traefik.http.middlewares.auth.basicauth.users=test:$$apr1$$H6uskkkW$$IgXLP6ewTrSuBkTrqE8wj/,test2:$$apr1$$d9hr9HBB$$4HxwgUir3HP4EsggP/QNo0"
 ```
 
-```toml tab="File (TOML)"
-# Dynamic Configuration
-[http.routers.my-api]
-  rule = "Host(`traefik.example.com`)"
-  service = "api@internal"
-  middlewares = ["auth"]
-
-[http.middlewares.auth.basicAuth]
-  users = [
-    "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/",
-    "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
-  ]
-```
-
 ```yaml tab="File (YAML)"
 # Dynamic Configuration
 http:
@@ -99,3 +85,17 @@ http:
           - "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/"
           - "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"
 ```
+
+```toml tab="File (TOML)"
+# Dynamic Configuration
+[http.routers.my-api]
+  rule = "Host(`traefik.example.com`)"
+  service = "api@internal"
+  middlewares = ["auth"]
+
+[http.middlewares.auth.basicAuth]
+  users = [
+    "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/",
+    "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
+  ]
+```

docs/content/operations/include-dashboard-examples.md

@@ -69,20 +69,6 @@ labels:
   - "traefik.http.middlewares.auth.basicauth.users=test:$$apr1$$H6uskkkW$$IgXLP6ewTrSuBkTrqE8wj/,test2:$$apr1$$d9hr9HBB$$4HxwgUir3HP4EsggP/QNo0"
 ```
 
-```toml tab="File (TOML)"
-# Dynamic Configuration
-[http.routers.my-api]
-  rule = "Host(`traefik.example.com`) && (PathPrefix(`/api`) || PathPrefix(`/dashboard`))"
-  service = "api@internal"
-  middlewares = ["auth"]
-
-[http.middlewares.auth.basicAuth]
-  users = [
-    "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/",
-    "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
-  ]
-```
-
 ```yaml tab="File (YAML)"
 # Dynamic Configuration
 http:
@@ -99,3 +85,17 @@ http:
           - "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/"
           - "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"
 ```
+
+```toml tab="File (TOML)"
+# Dynamic Configuration
+[http.routers.my-api]
+  rule = "Host(`traefik.example.com`) && (PathPrefix(`/api`) || PathPrefix(`/dashboard`))"
+  service = "api@internal"
+  middlewares = ["auth"]
+
+[http.middlewares.auth.basicAuth]
+  users = [
+    "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/",
+    "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
+  ]
+```

docs/content/operations/ping.md

@@ -7,14 +7,14 @@ Checking the Health of Your Traefik Instances
 
 To enable the API handler:
 
-```toml tab="File (TOML)"
-[ping]
-```
-
 ```yaml tab="File (YAML)"
 ping: {}
 ```
 
+```toml tab="File (TOML)"
+[ping]
+```
+
 ```bash tab="CLI"
 --ping=true
 ```
@@ -39,15 +39,6 @@ _Optional, Default="traefik"_
 
 Enabling /ping on a dedicated EntryPoint.
 
-```toml tab="File (TOML)"
-[entryPoints]
-  [entryPoints.ping]
-    address = ":8082"
-
-[ping]
-  entryPoint = "ping"
-```
-
 ```yaml tab="File (YAML)"
 entryPoints:
   ping:
@@ -57,6 +48,15 @@ ping:
   entryPoint: "ping"
 ```
 
+```toml tab="File (TOML)"
+[entryPoints]
+  [entryPoints.ping]
+    address = ":8082"
+
+[ping]
+  entryPoint = "ping"
+```
+
 ```bash tab="CLI"
 --entryPoints.ping.address=:8082
 --ping.entryPoint=ping
@@ -68,16 +68,16 @@ _Optional, Default=false_
 
 If `manualRouting` is `true`, it disables the default internal router in order to allow one to create a custom router for the `ping@internal` service.
 
-```toml tab="File (TOML)"
-[ping]
-  manualRouting = true
-```
-
 ```yaml tab="File (YAML)"
 ping:
   manualRouting: true
 ```
 
+```toml tab="File (TOML)"
+[ping]
+  manualRouting = true
+```
+
 ```bash tab="CLI"
 --ping.manualrouting=true
 ```
@@ -93,16 +93,16 @@ be expected as the signal for graceful termination. In which case, the
 terminatingStatusCode can be used to set the code returned by the ping
 handler during termination.
 
-```toml tab="File (TOML)"
-[ping]
-  terminatingStatusCode = 204
-```
-
 ```yaml tab="File (YAML)"
 ping:
   terminatingStatusCode: 204
 ```
 
+```toml tab="File (TOML)"
+[ping]
+  terminatingStatusCode = 204
+```
+
 ```bash tab="CLI"
 --ping.terminatingStatusCode=204
 ```

docs/content/providers/consul-catalog.md

@@ -13,15 +13,15 @@ Attach tags to your services and let Traefik do the rest!
 
     Enabling the consul catalog provider
 
-    ```toml tab="File (TOML)"
-    [providers.consulCatalog]
-    ```
-
     ```yaml tab="File (YAML)"
     providers:
       consulCatalog: {}
     ```
 
+    ```toml tab="File (TOML)"
+    [providers.consulCatalog]
+    ```
+
     ```bash tab="CLI"
     --providers.consulcatalog=true
     ```
@@ -44,12 +44,6 @@ _Optional, Default=15s_
 
 Defines the polling interval.
 
-```toml tab="File (TOML)"
-[providers.consulCatalog]
-  refreshInterval = "30s"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -57,6 +51,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog]
+  refreshInterval = "30s"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.refreshInterval=30s
 # ...
@@ -68,12 +68,6 @@ _required, Default="traefik"_
 
 The prefix for Consul Catalog tags defining Traefik labels.
 
-```toml tab="File (TOML)"
-[providers.consulCatalog]
-  prefix = "test"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -81,6 +75,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog]
+  prefix = "test"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.prefix=test
 # ...
@@ -98,12 +98,6 @@ Forces the read to be fully consistent.
 
     For more information, see the consul [documentation on consistency](https://www.consul.io/api-docs/features/consistency).
 
-```toml tab="File (TOML)"
-[providers.consulCatalog]
-  requireConsistent = true
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -111,6 +105,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog]
+  requireConsistent = true
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.requireConsistent=true
 # ...
@@ -128,12 +128,6 @@ Use stale consistency for catalog reads.
 
     For more information, see the consul [documentation on consistency](https://www.consul.io/api-docs/features/consistency).
 
-```toml tab="File (TOML)"
-[providers.consulCatalog]
-  stale = true
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -141,6 +135,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog]
+  stale = true
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.stale=true
 # ...
@@ -152,12 +152,6 @@ _Optional, Default=false_
 
 Use local agent caching for catalog reads.
 
-```toml tab="File (TOML)"
-[providers.consulCatalog]
-  cache = true
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -165,6 +159,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog]
+  cache = true
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.cache=true
 # ...
@@ -180,13 +180,6 @@ Defines the address of the Consul server.
 
 _Optional, Default="127.0.0.1:8500"_
 
-```toml tab="File (TOML)"
-[providers.consulCatalog]
-  [providers.consulCatalog.endpoint]
-    address = "127.0.0.1:8500"
-    # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -195,6 +188,13 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog]
+  [providers.consulCatalog.endpoint]
+    address = "127.0.0.1:8500"
+    # ...
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.endpoint.address=127.0.0.1:8500
 # ...
@@ -206,13 +206,6 @@ _Optional, Default=""_
 
 Defines the URI scheme for the Consul server.
 
-```toml tab="File (TOML)"
-[providers.consulCatalog]
-  [providers.consulCatalog.endpoint]
-    scheme = "https"
-    # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -221,6 +214,13 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog]
+  [providers.consulCatalog.endpoint]
+    scheme = "https"
+    # ...
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.endpoint.scheme=https
 # ...
@@ -233,13 +233,6 @@ _Optional, Default=""_
 Defines the datacenter to use.
 If not provided in Traefik, Consul uses the default agent datacenter.
 
-```toml tab="File (TOML)"
-[providers.consulCatalog]
-  [providers.consulCatalog.endpoint]
-    datacenter = "test"
-    # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -248,6 +241,13 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog]
+  [providers.consulCatalog.endpoint]
+    datacenter = "test"
+    # ...
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.endpoint.datacenter=test
 # ...
@@ -259,13 +259,6 @@ _Optional, Default=""_
 
 Token is used to provide a per-request ACL token which overwrites the agent's default token.
 
-```toml tab="File (TOML)"
-[providers.consulCatalog]
-  [providers.consulCatalog.endpoint]
-    token = "test"
-    # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -274,6 +267,13 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog]
+  [providers.consulCatalog.endpoint]
+    token = "test"
+    # ...
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.endpoint.token=test
 # ...
@@ -286,13 +286,6 @@ _Optional, Default=""_
 Limits the duration for which a Watch can block.
 If not provided, the agent default values will be used.
 
-```toml tab="File (TOML)"
-[providers.consulCatalog]
-  [providers.consulCatalog.endpoint]
-    endpointWaitTime = "15s"
-    # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -301,6 +294,13 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog]
+  [providers.consulCatalog.endpoint]
+    endpointWaitTime = "15s"
+    # ...
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.endpoint.endpointwaittime=15s
 # ...
@@ -318,11 +318,6 @@ _Optional, Default=""_
 
 Username to use for HTTP Basic Authentication.
 
-```toml tab="File (TOML)"
-[providers.consulCatalog.endpoint.httpAuth]
-  username = "test"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -331,6 +326,11 @@ providers:
         username: test
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog.endpoint.httpAuth]
+  username = "test"
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.endpoint.httpauth.username=test
 ```
@@ -341,11 +341,6 @@ _Optional, Default=""_
 
 Password to use for HTTP Basic Authentication.
 
-```toml tab="File (TOML)"
-[providers.consulCatalog.endpoint.httpAuth]
-  password = "test"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -354,6 +349,11 @@ providers:
         password: test
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog.endpoint.httpAuth]
+  password = "test"
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.endpoint.httpauth.password=test
 ```
@@ -370,11 +370,6 @@ _Optional_
 
 `ca` is the path to the CA certificate used for Consul communication, defaults to the system bundle if not specified.
 
-```toml tab="File (TOML)"
-[providers.consulCatalog.endpoint.tls]
-  ca = "path/to/ca.crt"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -383,6 +378,11 @@ providers:
         ca: path/to/ca.crt
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog.endpoint.tls]
+  ca = "path/to/ca.crt"
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.endpoint.tls.ca=path/to/ca.crt
 ```
@@ -401,11 +401,6 @@ When this option is set to `true`, a client certificate is requested during the
 
 When this option is set to `false`, a client certificate is requested during the handshake, and at least one valid certificate should be sent by the client.
 
-```toml tab="File (TOML)"
-[providers.consulCatalog.endpoint.tls]
-  caOptional = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -414,6 +409,11 @@ providers:
         caOptional: true
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog.endpoint.tls]
+  caOptional = true
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.endpoint.tls.caoptional=true
 ```
@@ -426,12 +426,6 @@ _Optional_
 
 When using this option, setting the `key` option is required.
 
-```toml tab="File (TOML)"
-[providers.consulCatalog.endpoint.tls]
-  cert = "path/to/foo.cert"
-  key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -441,6 +435,12 @@ providers:
         key: path/to/foo.key
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog.endpoint.tls]
+  cert = "path/to/foo.cert"
+  key = "path/to/foo.key"
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.endpoint.tls.cert=path/to/foo.cert
 --providers.consulcatalog.endpoint.tls.key=path/to/foo.key
@@ -454,12 +454,6 @@ _Optional_
 
 When using this option, setting the `cert` option is required.
 
-```toml tab="File (TOML)"
-[providers.consulCatalog.endpoint.tls]
-  cert = "path/to/foo.cert"
-  key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -469,6 +463,12 @@ providers:
         key: path/to/foo.key
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog.endpoint.tls]
+  cert = "path/to/foo.cert"
+  key = "path/to/foo.key"
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.endpoint.tls.cert=path/to/foo.cert
 --providers.consulcatalog.endpoint.tls.key=path/to/foo.key
@@ -480,11 +480,6 @@ _Optional_
 
 If `insecureSkipVerify` is `true`, the TLS connection to Consul accepts any certificate presented by the server regardless of the hostnames it covers.
 
-```toml tab="File (TOML)"
-[providers.consulCatalog.endpoint.tls]
-  insecureSkipVerify = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -493,6 +488,11 @@ providers:
         insecureSkipVerify: true
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog.endpoint.tls]
+  insecureSkipVerify = true
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.endpoint.tls.insecureskipverify=true
 ```
@@ -506,12 +506,6 @@ If set to `false`, services that don't have a `traefik.enable=true` tag will be
 
 For additional information, refer to [Restrict the Scope of Service Discovery](./overview.md#restrict-the-scope-of-service-discovery).
 
-```toml tab="File (TOML)"
-[providers.consulCatalog]
-  exposedByDefault = false
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -519,6 +513,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog]
+  exposedByDefault = false
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.exposedByDefault=false
 # ...
@@ -538,12 +538,6 @@ and the template has access to all the labels (i.e. tags beginning with the `pre
 
 The option can be overridden on an instance basis with the `traefik.http.routers.{name-of-your-choice}.rule` tag.
 
-```toml tab="File (TOML)"
-[providers.consulCatalog]
-  defaultRule = "Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -551,6 +545,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog]
+  defaultRule = "Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.defaultRule="Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)"
 # ...
@@ -599,12 +599,6 @@ as well as the usual boolean logic, as shown in examples below.
     constraints = "TagRegex(`a\.tag\.t.+`)"
     ```
 
-```toml tab="File (TOML)"
-[providers.consulCatalog]
-  constraints = "Tag(`a.tag.name`)"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consulCatalog:
@@ -612,6 +606,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.consulCatalog]
+  constraints = "Tag(`a.tag.name`)"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.consulcatalog.constraints="Tag(`a.tag.name`)"
 # ...

docs/content/providers/consul.md

@@ -17,11 +17,6 @@ _Required, Default="127.0.0.1:8500"_
 
 Defines how to access to Consul.
 
-```toml tab="File (TOML)"
-[providers.consul]
-  endpoints = ["127.0.0.1:8500"]
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consul:
@@ -29,6 +24,11 @@ providers:
       - "127.0.0.1:8500"
 ```
 
+```toml tab="File (TOML)"
+[providers.consul]
+  endpoints = ["127.0.0.1:8500"]
+```
+
 ```bash tab="CLI"
 --providers.consul.endpoints=127.0.0.1:8500
 ```
@@ -39,17 +39,17 @@ _Required, Default="traefik"_
 
 Defines the root key of the configuration.
 
-```toml tab="File (TOML)"
-[providers.consul]
-  rootKey = "traefik"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consul:
     rootKey: "traefik"
 ```
 
+```toml tab="File (TOML)"
+[providers.consul]
+  rootKey = "traefik"
+```
+
 ```bash tab="CLI"
 --providers.consul.rootkey=traefik
 ```
@@ -60,12 +60,6 @@ _Optional, Default=""_
 
 Defines a username to connect to Consul with.
 
-```toml tab="File (TOML)"
-[providers.consul]
-  # ...
-  username = "foo"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consul:
@@ -73,6 +67,12 @@ providers:
     usename: "foo"
 ```
 
+```toml tab="File (TOML)"
+[providers.consul]
+  # ...
+  username = "foo"
+```
+
 ```bash tab="CLI"
 --providers.consul.username=foo
 ```
@@ -83,12 +83,6 @@ _Optional, Default=""_
 
 Defines a password with which to connect to Consul.
 
-```toml tab="File (TOML)"
-[providers.consul]
-  # ...
-  password = "bar"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consul:
@@ -96,6 +90,12 @@ providers:
     password: "bar"
 ```
 
+```toml tab="File (TOML)"
+[providers.consul]
+  # ...
+  password = "bar"
+```
+
 ```bash tab="CLI"
 --providers.consul.password=foo
 ```
@@ -108,11 +108,6 @@ _Optional_
 
 Certificate Authority used for the secure connection to Consul.
 
-```toml tab="File (TOML)"
-[providers.consul.tls]
-  ca = "path/to/ca.crt"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consul:
@@ -120,6 +115,11 @@ providers:
       ca: path/to/ca.crt
 ```
 
+```toml tab="File (TOML)"
+[providers.consul.tls]
+  ca = "path/to/ca.crt"
+```
+
 ```bash tab="CLI"
 --providers.consul.tls.ca=path/to/ca.crt
 ```
@@ -136,11 +136,6 @@ When this option is set to `true`, a client certificate is requested during the
 
 When this option is set to `false`, a client certificate is requested during the handshake, and at least one valid certificate should be sent by the client.
 
-```toml tab="File (TOML)"
-[providers.consul.tls]
-  caOptional = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consul:
@@ -148,6 +143,11 @@ providers:
       caOptional: true
 ```
 
+```toml tab="File (TOML)"
+[providers.consul.tls]
+  caOptional = true
+```
+
 ```bash tab="CLI"
 --providers.consul.tls.caOptional=true
 ```
@@ -156,12 +156,6 @@ providers:
 
 Public certificate used for the secure connection to Consul.
 
-```toml tab="File (TOML)"
-[providers.consul.tls]
-  cert = "path/to/foo.cert"
-  key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consul:
@@ -170,6 +164,12 @@ providers:
       key: path/to/foo.key
 ```
 
+```toml tab="File (TOML)"
+[providers.consul.tls]
+  cert = "path/to/foo.cert"
+  key = "path/to/foo.key"
+```
+
 ```bash tab="CLI"
 --providers.consul.tls.cert=path/to/foo.cert
 --providers.consul.tls.key=path/to/foo.key
@@ -179,12 +179,6 @@ providers:
 
 Private certificate used for the secure connection to Consul.
 
-```toml tab="File (TOML)"
-[providers.consul.tls]
-  cert = "path/to/foo.cert"
-  key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consul:
@@ -193,6 +187,12 @@ providers:
       key: path/to/foo.key
 ```
 
+```toml tab="File (TOML)"
+[providers.consul.tls]
+  cert = "path/to/foo.cert"
+  key = "path/to/foo.key"
+```
+
 ```bash tab="CLI"
 --providers.consul.tls.cert=path/to/foo.cert
 --providers.consul.tls.key=path/to/foo.key
@@ -202,11 +202,6 @@ providers:
 
 If `insecureSkipVerify` is `true`, the TLS connection to Consul accepts any certificate presented by the server regardless of the hostnames it covers.
 
-```toml tab="File (TOML)"
-[providers.consul.tls]
-  insecureSkipVerify = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   consul:
@@ -214,6 +209,11 @@ providers:
       insecureSkipVerify: true
 ```
 
+```toml tab="File (TOML)"
+[providers.consul.tls]
+  insecureSkipVerify = true
+```
+
 ```bash tab="CLI"
 --providers.consul.tls.insecureSkipVerify=true
 ```

docs/content/providers/docker.md

@@ -20,15 +20,15 @@ and [Docker Swarm Mode](https://docs.docker.com/engine/swarm/).
 
     Enabling the docker provider
 
-    ```toml tab="File (TOML)"
-    [providers.docker]
-    ```
-
     ```yaml tab="File (YAML)"
     providers:
       docker: {}
     ```
 
+    ```toml tab="File (TOML)"
+    [providers.docker]
+    ```
+
     ```bash tab="CLI"
     --providers.docker=true
     ```
@@ -48,15 +48,6 @@ and [Docker Swarm Mode](https://docs.docker.com/engine/swarm/).
 
     Enabling the docker provider (Swarm Mode)
 
-    ```toml tab="File (TOML)"
-    [providers.docker]
-      # swarm classic (1.12-)
-      # endpoint = "tcp://127.0.0.1:2375"
-      # docker swarm mode (1.12+)
-      endpoint = "tcp://127.0.0.1:2377"
-      swarmMode = true
-    ```
-
     ```yaml tab="File (YAML)"
     providers:
       docker:
@@ -67,6 +58,15 @@ and [Docker Swarm Mode](https://docs.docker.com/engine/swarm/).
         swarmMode: true
     ```
 
+    ```toml tab="File (TOML)"
+    [providers.docker]
+      # swarm classic (1.12-)
+      # endpoint = "tcp://127.0.0.1:2375"
+      # docker swarm mode (1.12+)
+      endpoint = "tcp://127.0.0.1:2377"
+      swarmMode = true
+    ```
+
     ```bash tab="CLI"
     # swarm classic (1.12-)
     # --providers.docker.endpoint=tcp://127.0.0.1:2375
@@ -117,7 +117,7 @@ Port detection works as follows:
 - If a container [exposes](https://docs.docker.com/engine/reference/builder/#expose) a single port,
   then Traefik uses this port for private communication.
 - If a container [exposes](https://docs.docker.com/engine/reference/builder/#expose) multiple ports,
-  or does not expose any port, then you must manually specify which port Traefik should use for communication 
+  or does not expose any port, then you must manually specify which port Traefik should use for communication
   by using the label `traefik.http.services.<service_name>.loadbalancer.server.port`
   (Read more on this label in the dedicated section in [routing](../routing/providers/docker.md#port)).
 
@@ -261,12 +261,6 @@ See the sections [Docker API Access](#docker-api-access) and [Docker Swarm API A
 
     We specify the docker.sock in traefik's configuration file.
 
-    ```toml tab="File (TOML)"
-    [providers.docker]
-      endpoint = "unix:///var/run/docker.sock"
-      # ...
-    ```
-
     ```yaml tab="File (YAML)"
     providers:
       docker:
@@ -274,6 +268,12 @@ See the sections [Docker API Access](#docker-api-access) and [Docker Swarm API A
          # ...
     ```
 
+    ```toml tab="File (TOML)"
+    [providers.docker]
+      endpoint = "unix:///var/run/docker.sock"
+      # ...
+    ```
+
     ```bash tab="CLI"
     --providers.docker.endpoint=unix:///var/run/docker.sock
     # ...
@@ -285,12 +285,6 @@ See the sections [Docker API Access](#docker-api-access) and [Docker Swarm API A
     We specify the SSH host and user in Traefik's configuration file.
     Note that is server requires public keys for authentication you must have those accessible for user who runs Traefik.
 
-    ```toml tab="File (TOML)"
-    [providers.docker]
-      endpoint = "ssh://traefik@192.168.2.5:2022"
-      # ...
-    ```
-
     ```yaml tab="File (YAML)"
     providers:
       docker:
@@ -298,22 +292,28 @@ See the sections [Docker API Access](#docker-api-access) and [Docker Swarm API A
          # ...
     ```
 
+    ```toml tab="File (TOML)"
+    [providers.docker]
+      endpoint = "ssh://traefik@192.168.2.5:2022"
+      # ...
+    ```
+
     ```bash tab="CLI"
     --providers.docker.endpoint=ssh://traefik@192.168.2.5:2022
     # ...
     ```
 
-```toml tab="File (TOML)"
-[providers.docker]
-  endpoint = "unix:///var/run/docker.sock"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   docker:
     endpoint: "unix:///var/run/docker.sock"
 ```
 
+```toml tab="File (TOML)"
+[providers.docker]
+  endpoint = "unix:///var/run/docker.sock"
+```
+
 ```bash tab="CLI"
 --providers.docker.endpoint=unix:///var/run/docker.sock
 ```
@@ -350,12 +350,6 @@ but still uses the `traefik.http.services.<name>.loadbalancer.server.port` that
         - `ExtPort` stands for "external Port found in the binding"
         - `IntPort` stands for "internal network container's port."
 
-```toml tab="File (TOML)"
-[providers.docker]
-  useBindPortIP = true
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   docker:
@@ -363,6 +357,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.docker]
+  useBindPortIP = true
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.docker.useBindPortIP=true
 # ...
@@ -377,12 +377,6 @@ If set to `false`, containers that do not have a `traefik.enable=true` label are
 
 For additional information, refer to [Restrict the Scope of Service Discovery](./overview.md#restrict-the-scope-of-service-discovery).
 
-```toml tab="File (TOML)"
-[providers.docker]
-  exposedByDefault = false
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   docker:
@@ -390,6 +384,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.docker]
+  exposedByDefault = false
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.docker.exposedByDefault=false
 # ...
@@ -403,12 +403,6 @@ Defines a default docker network to use for connections to all containers.
 
 This option can be overridden on a per-container basis with the `traefik.docker.network` label.
 
-```toml tab="File (TOML)"
-[providers.docker]
-  network = "test"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   docker:
@@ -416,6 +410,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.docker]
+  network = "test"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.docker.network=test
 # ...
@@ -432,12 +432,6 @@ It must be a valid [Go template](https://golang.org/pkg/text/template/), and can
 The container service name can be accessed with the `Name` identifier,
 and the template has access to all the labels defined on this container.
 
-```toml tab="File (TOML)"
-[providers.docker]
-  defaultRule = "Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   docker:
@@ -445,6 +439,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.docker]
+  defaultRule = "Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.docker.defaultRule=Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)
 # ...
@@ -456,12 +456,6 @@ _Optional, Default=false_
 
 Enables the Swarm Mode (instead of standalone Docker).
 
-```toml tab="File (TOML)"
-[providers.docker]
-  swarmMode = true
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   docker:
@@ -469,6 +463,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.docker]
+  swarmMode = true
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.docker.swarmMode=true
 # ...
@@ -480,12 +480,6 @@ _Optional, Default=15_
 
 Defines the polling interval (in seconds) for Swarm Mode.
 
-```toml tab="File (TOML)"
-[providers.docker]
-  swarmModeRefreshSeconds = 30
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   docker:
@@ -493,6 +487,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.docker]
+  swarmModeRefreshSeconds = 30
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.docker.swarmModeRefreshSeconds=30
 # ...
@@ -504,12 +504,6 @@ _Optional, Default=0_
 
 Defines the client timeout (in seconds) for HTTP connections. If its value is `0`, no timeout is set.
 
-```toml tab="File (TOML)"
-[providers.docker]
-  httpClientTimeout = 300
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   docker:
@@ -517,6 +511,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.docker]
+  httpClientTimeout = 300
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.docker.httpClientTimeout=300
 # ...
@@ -528,12 +528,6 @@ _Optional, Default=true_
 
 Watch Docker Swarm events.
 
-```toml tab="File (TOML)"
-[providers.docker]
-  watch = false
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   docker:
@@ -541,6 +535,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.docker]
+  watch = false
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.docker.watch=false
 # ...
@@ -591,12 +591,6 @@ as well as the usual boolean logic, as shown in examples below.
 
 For additional information, refer to [Restrict the Scope of Service Discovery](./overview.md#restrict-the-scope-of-service-discovery).
 
-```toml tab="File (TOML)"
-[providers.docker]
-  constraints = "Label(`a.label.name`,`foo`)"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   docker:
@@ -604,6 +598,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.docker]
+  constraints = "Label(`a.label.name`,`foo`)"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.docker.constraints=Label(`a.label.name`,`foo`)
 # ...
@@ -617,11 +617,6 @@ _Optional_
 
 Certificate Authority used for the secure connection to Docker.
 
-```toml tab="File (TOML)"
-[providers.docker.tls]
-  ca = "path/to/ca.crt"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   docker:
@@ -629,6 +624,11 @@ providers:
       ca: path/to/ca.crt
 ```
 
+```toml tab="File (TOML)"
+[providers.docker.tls]
+  ca = "path/to/ca.crt"
+```
+
 ```bash tab="CLI"
 --providers.docker.tls.ca=path/to/ca.crt
 ```
@@ -645,11 +645,6 @@ When this option is set to `true`, a client certificate is requested during the
 
 When this option is set to `false`, a client certificate is requested during the handshake, and at least one valid certificate should be sent by the client.
 
-```toml tab="File (TOML)"
-[providers.docker.tls]
-  caOptional = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   docker:
@@ -657,6 +652,11 @@ providers:
       caOptional: true
 ```
 
+```toml tab="File (TOML)"
+[providers.docker.tls]
+  caOptional = true
+```
+
 ```bash tab="CLI"
 --providers.docker.tls.caOptional=true
 ```
@@ -665,12 +665,6 @@ providers:
 
 Public certificate used for the secure connection to Docker.
 
-```toml tab="File (TOML)"
-[providers.docker.tls]
-  cert = "path/to/foo.cert"
-  key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   docker:
@@ -679,6 +673,12 @@ providers:
       key: path/to/foo.key
 ```
 
+```toml tab="File (TOML)"
+[providers.docker.tls]
+  cert = "path/to/foo.cert"
+  key = "path/to/foo.key"
+```
+
 ```bash tab="CLI"
 --providers.docker.tls.cert=path/to/foo.cert
 --providers.docker.tls.key=path/to/foo.key
@@ -688,12 +688,6 @@ providers:
 
 Private certificate used for the secure connection to Docker.
 
-```toml tab="File (TOML)"
-[providers.docker.tls]
-  cert = "path/to/foo.cert"
-  key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   docker:
@@ -702,6 +696,12 @@ providers:
       key: path/to/foo.key
 ```
 
+```toml tab="File (TOML)"
+[providers.docker.tls]
+  cert = "path/to/foo.cert"
+  key = "path/to/foo.key"
+```
+
 ```bash tab="CLI"
 --providers.docker.tls.cert=path/to/foo.cert
 --providers.docker.tls.key=path/to/foo.key
@@ -711,11 +711,6 @@ providers:
 
 If `insecureSkipVerify` is `true`, the TLS connection to Docker accepts any certificate presented by the server regardless of the hostnames it covers.
 
-```toml tab="File (TOML)"
-[providers.docker.tls]
-  insecureSkipVerify = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   docker:
@@ -723,6 +718,11 @@ providers:
       insecureSkipVerify: true
 ```
 
+```toml tab="File (TOML)"
+[providers.docker.tls]
+  insecureSkipVerify = true
+```
+
 ```bash tab="CLI"
 --providers.docker.tls.insecureSkipVerify=true
 ```

docs/content/providers/ecs.md

@@ -11,15 +11,15 @@ Attach labels to your ECS containers and let Traefik do the rest!
 
     Enabling the ECS provider:
 
-    ```toml tab="File (TOML)"
-    [providers.ecs]
-    ```
-
     ```yaml tab="File (YAML)"
     providers:
       ecs: {}
     ```
 
+    ```toml tab="File (TOML)"
+    [providers.ecs]
+    ```
+
     ```bash tab="CLI"
     --providers.ecs=true
     ```
@@ -63,12 +63,6 @@ Search for services in cluster list.
 - If set to `true` service discovery is disabled on configured clusters, but enabled for all other clusters.
 - If set to `false` service discovery is enabled on configured clusters only.
 
-```toml tab="File (TOML)"
-[providers.ecs]
-  autoDiscoverClusters = true
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   ecs:
@@ -76,6 +70,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.ecs]
+  autoDiscoverClusters = true
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.ecs.autoDiscoverClusters=true
 # ...
@@ -87,12 +87,6 @@ _Optional, Default=["default"]_
 
 Search for services in cluster list.
 
-```toml tab="File (TOML)"
-[providers.ecs]
-  clusters = ["default"]
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   ecs:
@@ -101,6 +95,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.ecs]
+  clusters = ["default"]
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.ecs.clusters=default
 # ...
@@ -114,12 +114,6 @@ Expose ECS services by default in Traefik.
 
 If set to `false`, services that do not have a `traefik.enable=true` label are ignored from the resulting routing configuration.
 
-```toml tab="File (TOML)"
-[providers.ecs]
-  exposedByDefault = false
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   ecs:
@@ -127,6 +121,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.ecs]
+  exposedByDefault = false
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.ecs.exposedByDefault=false
 # ...
@@ -143,12 +143,6 @@ It must be a valid [Go template](https://golang.org/pkg/text/template/), and can
 The container service name can be accessed with the `Name` identifier,
 and the template has access to all the labels defined on this container.
 
-```toml tab="File (TOML)"
-[providers.ecs]
-  defaultRule = "Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   ecs:
@@ -156,6 +150,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.ecs]
+  defaultRule = "Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.ecs.defaultRule=Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)
 # ...
@@ -167,12 +167,6 @@ _Optional, Default=15_
 
 Polling interval (in seconds).
 
-```toml tab="File (TOML)"
-[providers.ecs]
-  refreshSeconds = 15
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   ecs:
@@ -180,6 +174,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.ecs]
+  refreshSeconds = 15
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.ecs.refreshSeconds=15
 # ...
@@ -198,13 +198,6 @@ If `accessKeyID` and `secretAccessKey` are not provided, credentials are resolve
 - Using shared credentials, determined by `AWS_PROFILE` and `AWS_SHARED_CREDENTIALS_FILE`, defaults to `default` and `~/.aws/credentials`.
 - Using EC2 instance role or ECS task role
 
-```toml tab="File (TOML)"
-[providers.ecs]
-  region = "us-east-1"
-  accessKeyID = "abc"
-  secretAccessKey = "123"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   ecs:
@@ -214,6 +207,13 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.ecs]
+  region = "us-east-1"
+  accessKeyID = "abc"
+  secretAccessKey = "123"
+```
+
 ```bash tab="CLI"
 --providers.ecs.region="us-east-1"
 --providers.ecs.accessKeyID="abc"

docs/content/providers/etcd.md

@@ -17,11 +17,6 @@ _Required, Default="127.0.0.1:2379"_
 
 Defines how to access etcd.
 
-```toml tab="File (TOML)"
-[providers.etcd]
-  endpoints = ["127.0.0.1:2379"]
-```
-
 ```yaml tab="File (YAML)"
 providers:
   etcd:
@@ -29,6 +24,11 @@ providers:
       - "127.0.0.1:2379"
 ```
 
+```toml tab="File (TOML)"
+[providers.etcd]
+  endpoints = ["127.0.0.1:2379"]
+```
+
 ```bash tab="CLI"
 --providers.etcd.endpoints=127.0.0.1:2379
 ```
@@ -39,17 +39,17 @@ _Required, Default="traefik"_
 
 Defines the root key of the configuration.
 
-```toml tab="File (TOML)"
-[providers.etcd]
-  rootKey = "traefik"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   etcd:
     rootKey: "traefik"
 ```
 
+```toml tab="File (TOML)"
+[providers.etcd]
+  rootKey = "traefik"
+```
+
 ```bash tab="CLI"
 --providers.etcd.rootkey=traefik
 ```
@@ -60,12 +60,6 @@ _Optional, Default=""_
 
 Defines a username with which to connect to etcd.
 
-```toml tab="File (TOML)"
-[providers.etcd]
-  # ...
-  username = "foo"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   etcd:
@@ -73,6 +67,12 @@ providers:
     usename: "foo"
 ```
 
+```toml tab="File (TOML)"
+[providers.etcd]
+  # ...
+  username = "foo"
+```
+
 ```bash tab="CLI"
 --providers.etcd.username=foo
 ```
@@ -83,12 +83,6 @@ _Optional, Default=""_
 
 Defines a password with which to connect to etcd.
 
-```toml tab="File (TOML)"
-[providers.etcd]
-  # ...
-  password = "bar"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   etcd:
@@ -96,6 +90,12 @@ providers:
     password: "bar"
 ```
 
+```toml tab="File (TOML)"
+[providers.etcd]
+  # ...
+  password = "bar"
+```
+
 ```bash tab="CLI"
 --providers.etcd.password=foo
 ```
@@ -108,11 +108,6 @@ _Optional_
 
 Certificate Authority used for the secure connection to etcd.
 
-```toml tab="File (TOML)"
-[providers.etcd.tls]
-  ca = "path/to/ca.crt"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   etcd:
@@ -120,6 +115,11 @@ providers:
       ca: path/to/ca.crt
 ```
 
+```toml tab="File (TOML)"
+[providers.etcd.tls]
+  ca = "path/to/ca.crt"
+```
+
 ```bash tab="CLI"
 --providers.etcd.tls.ca=path/to/ca.crt
 ```
@@ -136,11 +136,6 @@ When this option is set to `true`, a client certificate is requested during the
 
 When this option is set to `false`, a client certificate is requested during the handshake, and at least one valid certificate should be sent by the client.
 
-```toml tab="File (TOML)"
-[providers.etcd.tls]
-  caOptional = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   etcd:
@@ -148,6 +143,11 @@ providers:
       caOptional: true
 ```
 
+```toml tab="File (TOML)"
+[providers.etcd.tls]
+  caOptional = true
+```
+
 ```bash tab="CLI"
 --providers.etcd.tls.caOptional=true
 ```
@@ -156,12 +156,6 @@ providers:
 
 Public certificate used for the secure connection to etcd.
 
-```toml tab="File (TOML)"
-[providers.etcd.tls]
-  cert = "path/to/foo.cert"
-  key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   etcd:
@@ -170,6 +164,12 @@ providers:
       key: path/to/foo.key
 ```
 
+```toml tab="File (TOML)"
+[providers.etcd.tls]
+  cert = "path/to/foo.cert"
+  key = "path/to/foo.key"
+```
+
 ```bash tab="CLI"
 --providers.etcd.tls.cert=path/to/foo.cert
 --providers.etcd.tls.key=path/to/foo.key
@@ -179,12 +179,6 @@ providers:
 
 Private certificate used for the secure connection to etcd.
 
-```toml tab="File (TOML)"
-[providers.etcd.tls]
-  cert = "path/to/foo.cert"
-  key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   etcd:
@@ -193,6 +187,12 @@ providers:
       key: path/to/foo.key
 ```
 
+```toml tab="File (TOML)"
+[providers.etcd.tls]
+  cert = "path/to/foo.cert"
+  key = "path/to/foo.key"
+```
+
 ```bash tab="CLI"
 --providers.etcd.tls.cert=path/to/foo.cert
 --providers.etcd.tls.key=path/to/foo.key
@@ -202,11 +202,6 @@ providers:
 
 If `insecureSkipVerify` is `true`, the TLS connection to etcd accepts any certificate presented by the server regardless of the hostnames it covers.
 
-```toml tab="File (TOML)"
-[providers.etcd.tls]
-  insecureSkipVerify = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   etcd:
@@ -214,6 +209,11 @@ providers:
       insecureSkipVerify: true
 ```
 
+```toml tab="File (TOML)"
+[providers.etcd.tls]
+  insecureSkipVerify = true
+```
+
 ```bash tab="CLI"
 --providers.etcd.tls.insecureSkipVerify=true
 ```

docs/content/providers/file.md

@@ -3,7 +3,7 @@
 Good Old Configuration File
 {: .subtitle }
 
-The file provider lets you define the [dynamic configuration](./overview.md) in a TOML or YAML file.
+The file provider lets you define the [dynamic configuration](./overview.md) in a YAML or TOML file.
 
 It supports providing configuration through a [single configuration file](#filename) or [multiple separate files](#directory).
 
@@ -21,50 +21,23 @@ It supports providing configuration through a [single configuration file](#filen
 
     Enabling the file provider:
 
-    ```toml tab="File (TOML)"
-    [providers.file]
-      directory = "/path/to/dynamic/conf"
-    ```
-
     ```yaml tab="File (YAML)"
     providers:
       file:
         directory: "/path/to/dynamic/conf"
     ```
 
+    ```toml tab="File (TOML)"
+    [providers.file]
+      directory = "/path/to/dynamic/conf"
+    ```
+
     ```bash tab="CLI"
     --providers.file.directory=/path/to/dynamic/conf
     ```
 
     Declaring Routers, Middlewares & Services:
 
-    ```toml tab="TOML"
-    [http]
-      # Add the router
-      [http.routers]
-        [http.routers.router0]
-          entryPoints = ["web"]
-          middlewares = ["my-basic-auth"]
-          service = "service-foo"
-          rule = "Path(`/foo`)"
-
-      # Add the middleware
-      [http.middlewares]
-        [http.middlewares.my-basic-auth.basicAuth]
-          users = ["test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/", 
-                    "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"]
-          usersFile = "etc/traefik/.htpasswd"
-
-      # Add the service
-      [http.services]
-        [http.services.service-foo]
-          [http.services.service-foo.loadBalancer]
-            [[http.services.service-foo.loadBalancer.servers]]
-              url = "http://foo/"
-            [[http.services.service-foo.loadBalancer.servers]]
-              url = "http://bar/"
-    ```
-
     ```yaml tab="YAML"
     http:
       # Add the router
@@ -96,6 +69,33 @@ It supports providing configuration through a [single configuration file](#filen
             passHostHeader: false
     ```
 
+    ```toml tab="TOML"
+    [http]
+      # Add the router
+      [http.routers]
+        [http.routers.router0]
+          entryPoints = ["web"]
+          middlewares = ["my-basic-auth"]
+          service = "service-foo"
+          rule = "Path(`/foo`)"
+
+      # Add the middleware
+      [http.middlewares]
+        [http.middlewares.my-basic-auth.basicAuth]
+          users = ["test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/",
+                    "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"]
+          usersFile = "etc/traefik/.htpasswd"
+
+      # Add the service
+      [http.services]
+        [http.services.service-foo]
+          [http.services.service-foo.loadBalancer]
+            [[http.services.service-foo.loadBalancer.servers]]
+              url = "http://foo/"
+            [[http.services.service-foo.loadBalancer.servers]]
+              url = "http://bar/"
+    ```
+
 ## Provider Configuration
 
 For an overview of all the options that can be set with the file provider, see the [dynamic configuration](../reference/dynamic-configuration/file.md) and [static configuration](../reference/static-configuration/overview.md) references.
@@ -105,7 +105,7 @@ For an overview of all the options that can be set with the file provider, see t
     With the file provider, Traefik listens for file system notifications to update the dynamic configuration.
 
     If you use a mounted/bound file system in your orchestrator (like docker or kubernetes), the way the files are linked may be a source of errors.
-    If the link between the file systems is broken, when a source file/directory is changed/renamed, nothing will be reported to the linked file/directory, so the file system notifications will be neither triggered nor caught. 
+    If the link between the file systems is broken, when a source file/directory is changed/renamed, nothing will be reported to the linked file/directory, so the file system notifications will be neither triggered nor caught.
 
     For example, in Docker, if the host file is renamed, the link to the mounted file is broken and the container's file is no longer updated.
     To avoid this kind of issue, it is recommended to:
@@ -125,20 +125,20 @@ Defines the path to the configuration file.
     The `filename` and `directory` options are mutually exclusive.
     It is recommended to use `directory`.
 
-```toml tab="File (TOML)"
-[providers]
-  [providers.file]
-    filename = "/path/to/config/dynamic_conf.toml"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   file:
     filename: /path/to/config/dynamic_conf.yml
 ```
 
+```toml tab="File (TOML)"
+[providers]
+  [providers.file]
+    filename = "/path/to/config/dynamic_conf.toml"
+```
+
 ```bash tab="CLI"
---providers.file.filename=/path/to/config/dynamic_conf.toml
+--providers.file.filename=/path/to/config/dynamic_conf.yml
 ```
 
 ### `directory`
@@ -150,18 +150,18 @@ Defines the path to the directory that contains the configuration files.
     The `filename` and `directory` options are mutually exclusive.
     It is recommended to use `directory`.
 
-```toml tab="File (TOML)"
-[providers]
-  [providers.file]
-    directory = "/path/to/config"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   file:
     directory: /path/to/config
 ```
 
+```toml tab="File (TOML)"
+[providers]
+  [providers.file]
+    directory = "/path/to/config"
+```
+
 ```bash tab="CLI"
 --providers.file.directory=/path/to/config
 ```
@@ -171,13 +171,6 @@ providers:
 Set the `watch` option to `true` to allow Traefik to automatically watch for file changes.
 It works with both the `filename` and the `directory` options.
 
-```toml tab="File (TOML)"
-[providers]
-  [providers.file]
-    directory = "/path/to/dynamic/conf"
-    watch = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   file:
@@ -185,6 +178,13 @@ providers:
     watch: true
 ```
 
+```toml tab="File (TOML)"
+[providers]
+  [providers.file]
+    directory = "/path/to/dynamic/conf"
+    watch = true
+```
+
 ```bash tab="CLI"
 --providers.file.directory=/my/path/to/dynamic/conf
 --providers.file.watch=true
@@ -205,6 +205,44 @@ To illustrate, it is possible to easily define multiple routers, services, and T
 
 ??? example "Configuring Using Templating"
 
+    ```yaml tab="YAML"
+    http:
+      routers:
+        {{range $i, $e := until 100 }}
+        router{{ $e }}-{{ env "MY_ENV_VAR" }}:
+          # ...
+        {{end}}
+
+      services:
+        {{range $i, $e := until 100 }}
+        application{{ $e }}:
+          # ...
+        {{end}}
+
+    tcp:
+      routers:
+        {{range $i, $e := until 100 }}
+        router{{ $e }}:
+          # ...
+        {{end}}
+
+      services:
+        {{range $i, $e := until 100 }}
+        service{{ $e }}:
+          # ...
+        {{end}}
+
+    tls:
+      certificates:
+      {{ range $i, $e := until 10 }}
+      - certFile: "/etc/traefik/cert-{{ $e }}.pem"
+        keyFile: "/etc/traefik/cert-{{ $e }}.key"
+        store:
+        - "my-store-foo-{{ $e }}"
+        - "my-store-bar-{{ $e }}"
+      {{end}}
+    ```
+
     ```toml tab="TOML"
     # template-rules.toml
     [http]
@@ -248,41 +286,3 @@ To illustrate, it is possible to easily define multiple routers, services, and T
       # ...
     {{ end }}
     ```
-
-    ```yaml tab="YAML"
-    http:
-      routers:
-        {{range $i, $e := until 100 }}
-        router{{ $e }}-{{ env "MY_ENV_VAR" }}:
-          # ...
-        {{end}}
-
-      services:
-        {{range $i, $e := until 100 }}
-        application{{ $e }}:
-          # ...
-        {{end}}
-
-    tcp:
-      routers:
-        {{range $i, $e := until 100 }}
-        router{{ $e }}:
-          # ...
-        {{end}}
-
-      services:
-        {{range $i, $e := until 100 }}
-        service{{ $e }}:
-          # ...
-        {{end}}
-
-    tls:
-      certificates:
-      {{ range $i, $e := until 10 }}
-      - certFile: "/etc/traefik/cert-{{ $e }}.pem"
-        keyFile: "/etc/traefik/cert-{{ $e }}.key"
-        store:
-        - "my-store-foo-{{ $e }}"
-        - "my-store-bar-{{ $e }}"
-      {{end}}
-    ```

docs/content/providers/http.md

@@ -14,11 +14,6 @@ _Required_
 
 Defines the HTTP(S) endpoint to poll.
 
-```toml tab="File (TOML)"
-[providers.http]
-  endpoint = "http://127.0.0.1:9000/api"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   http:
@@ -26,6 +21,11 @@ providers:
       - "http://127.0.0.1:9000/api"
 ```
 
+```toml tab="File (TOML)"
+[providers.http]
+  endpoint = "http://127.0.0.1:9000/api"
+```
+
 ```bash tab="CLI"
 --providers.http.endpoint=http://127.0.0.1:9000/api
 ```
@@ -36,17 +36,17 @@ _Optional, Default="5s"_
 
 Defines the polling interval.
 
-```toml tab="File (TOML)"
-[providers.http]
-  pollInterval = "5s"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   http:
     pollInterval: "5s"
 ```
 
+```toml tab="File (TOML)"
+[providers.http]
+  pollInterval = "5s"
+```
+
 ```bash tab="CLI"
 --providers.http.pollInterval=5s
 ```
@@ -57,17 +57,17 @@ _Optional, Default="5s"_
 
 Defines the polling timeout when connecting to the configured endpoint.
 
-```toml tab="File (TOML)"
-[providers.http]
-  pollTimeout = "5s"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   http:
     pollTimeout: "5s"
 ```
 
+```toml tab="File (TOML)"
+[providers.http]
+  pollTimeout = "5s"
+```
+
 ```bash tab="CLI"
 --providers.http.pollTimeout=5s
 ```
@@ -80,11 +80,6 @@ _Optional_
 
 Certificate Authority used for the secure connection to the configured endpoint.
 
-```toml tab="File (TOML)"
-[providers.http.tls]
-  ca = "path/to/ca.crt"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   http:
@@ -92,6 +87,11 @@ providers:
       ca: path/to/ca.crt
 ```
 
+```toml tab="File (TOML)"
+[providers.http.tls]
+  ca = "path/to/ca.crt"
+```
+
 ```bash tab="CLI"
 --providers.http.tls.ca=path/to/ca.crt
 ```
@@ -108,11 +108,6 @@ When this option is set to `true`, a client certificate is requested during the
 
 When this option is set to `false`, a client certificate is requested during the handshake, and at least one valid certificate should be sent by the client.
 
-```toml tab="File (TOML)"
-[providers.http.tls]
-  caOptional = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   http:
@@ -120,6 +115,11 @@ providers:
       caOptional: true
 ```
 
+```toml tab="File (TOML)"
+[providers.http.tls]
+  caOptional = true
+```
+
 ```bash tab="CLI"
 --providers.http.tls.caOptional=true
 ```
@@ -128,12 +128,6 @@ providers:
 
 Public certificate used for the secure connection to the configured endpoint.
 
-```toml tab="File (TOML)"
-[providers.http.tls]
-  cert = "path/to/foo.cert"
-  key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   http:
@@ -142,6 +136,12 @@ providers:
       key: path/to/foo.key
 ```
 
+```toml tab="File (TOML)"
+[providers.http.tls]
+  cert = "path/to/foo.cert"
+  key = "path/to/foo.key"
+```
+
 ```bash tab="CLI"
 --providers.http.tls.cert=path/to/foo.cert
 --providers.http.tls.key=path/to/foo.key
@@ -151,12 +151,6 @@ providers:
 
 Private certificate used for the secure connection to the configured endpoint.
 
-```toml tab="File (TOML)"
-[providers.http.tls]
-  cert = "path/to/foo.cert"
-  key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   http:
@@ -165,6 +159,12 @@ providers:
       key: path/to/foo.key
 ```
 
+```toml tab="File (TOML)"
+[providers.http.tls]
+  cert = "path/to/foo.cert"
+  key = "path/to/foo.key"
+```
+
 ```bash tab="CLI"
 --providers.http.tls.cert=path/to/foo.cert
 --providers.http.tls.key=path/to/foo.key
@@ -174,11 +174,6 @@ providers:
 
 If `insecureSkipVerify` is `true`, the TLS connection to the endpoint accepts any certificate presented by the server regardless of the hostnames it covers.
 
-```toml tab="File (TOML)"
-[providers.http.tls]
-  insecureSkipVerify = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   http:
@@ -186,6 +181,11 @@ providers:
       insecureSkipVerify: true
 ```
 
+```toml tab="File (TOML)"
+[providers.http.tls]
+  insecureSkipVerify = true
+```
+
 ```bash tab="CLI"
 --providers.http.tls.insecureSkipVerify=true
 ```

docs/content/providers/kubernetes-crd.md

@@ -15,7 +15,7 @@ the Traefik engineering team developed a [Custom Resource Definition](https://ku
 
     * Add/update **all** the Traefik resources [definitions](../reference/dynamic-configuration/kubernetes-crd.md#definitions)
     * Add/update the [RBAC](https://kubernetes.io/docs/reference/access-authn-authz/rbac/) for the Traefik custom resources
-    * Use [Helm Chart](../getting-started/install-traefik.md#use-the-helm-chart) or use a custom Traefik Deployment 
+    * Use [Helm Chart](../getting-started/install-traefik.md#use-the-helm-chart) or use a custom Traefik Deployment
         * Enable the kubernetesCRD provider
         * Apply the needed kubernetesCRD provider [configuration](#provider-configuration)
     * Add all necessary Traefik custom [resources](../reference/dynamic-configuration/kubernetes-crd.md#resources)
@@ -87,12 +87,6 @@ When the environment variables are not found, Traefik tries to connect to the Ku
 In this case, the endpoint is required.
 Specifically, it may be set to the URL used by `kubectl proxy` to connect to a Kubernetes cluster using the granted authentication and authorization of the associated kubeconfig.
 
-```toml tab="File (TOML)"
-[providers.kubernetesCRD]
-  endpoint = "http://localhost:8080"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesCRD:
@@ -100,6 +94,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesCRD]
+  endpoint = "http://localhost:8080"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetescrd.endpoint=http://localhost:8080
 ```
@@ -110,12 +110,6 @@ _Optional, Default=""_
 
 Bearer token used for the Kubernetes client configuration.
 
-```toml tab="File (TOML)"
-[providers.kubernetesCRD]
-  token = "mytoken"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesCRD:
@@ -123,6 +117,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesCRD]
+  token = "mytoken"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetescrd.token=mytoken
 ```
@@ -134,12 +134,6 @@ _Optional, Default=""_
 Path to the certificate authority file.
 Used for the Kubernetes client configuration.
 
-```toml tab="File (TOML)"
-[providers.kubernetesCRD]
-  certAuthFilePath = "/my/ca.crt"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesCRD:
@@ -147,6 +141,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesCRD]
+  certAuthFilePath = "/my/ca.crt"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetescrd.certauthfilepath=/my/ca.crt
 ```
@@ -158,12 +158,6 @@ _Optional, Default: []_
 Array of namespaces to watch.
 If left empty, watches all namespaces if the value of `namespaces`.
 
-```toml tab="File (TOML)"
-[providers.kubernetesCRD]
-  namespaces = ["default", "production"]
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesCRD:
@@ -173,6 +167,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesCRD]
+  namespaces = ["default", "production"]
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetescrd.namespaces=default,production
 ```
@@ -192,12 +192,6 @@ See [label-selectors](https://kubernetes.io/docs/concepts/overview/working-with-
 
     Because the label selector is applied to all Traefik Custom Resources, they all must match the filter.
 
-```toml tab="File (TOML)"
-[providers.kubernetesCRD]
-  labelselector = "app=traefik"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesCRD:
@@ -205,6 +199,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesCRD]
+  labelselector = "app=traefik"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetescrd.labelselector="app=traefik"
 ```
@@ -218,12 +218,6 @@ Value of `kubernetes.io/ingress.class` annotation that identifies resource objec
 If the parameter is set, only resources containing an annotation with the same value are processed.
 Otherwise, resources missing the annotation, having an empty value, or the value `traefik` are processed.
 
-```toml tab="File (TOML)"
-[providers.kubernetesCRD]
-  ingressClass = "traefik-internal"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesCRD:
@@ -231,6 +225,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesCRD]
+  ingressClass = "traefik-internal"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetescrd.ingressclass=traefik-internal
 ```
@@ -247,12 +247,6 @@ If left empty, the provider does not apply any throttling and does not drop any
 The value of `throttleDuration` should be provided in seconds or as a valid duration format,
 see [time.ParseDuration](https://golang.org/pkg/time/#ParseDuration).
 
-```toml tab="File (TOML)"
-[providers.kubernetesCRD]
-  throttleDuration = "10s"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesCRD:
@@ -260,6 +254,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesCRD]
+  throttleDuration = "10s"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetescrd.throttleDuration=10s
 ```
@@ -274,12 +274,6 @@ If the parameter is set to `false`, IngressRoutes are not able to reference any
 
     Please note that the default value for this option will be set to `false` in a future version.
 
-```toml tab="File (TOML)"
-[providers.kubernetesCRD]
-  allowCrossNamespace = false
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesCRD:
@@ -287,6 +281,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesCRD]
+  allowCrossNamespace = false
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetescrd.allowCrossNamespace=false
 ```

docs/content/providers/kubernetes-gateway.md

@@ -15,14 +15,6 @@ This provider is proposed as an experimental feature and partially supports the
 
     Since this provider is still experimental, it needs to be activated in the experimental section of the static configuration.
 
-    ```toml tab="File (TOML)"
-    [experimental]
-      kubernetesGateway = true
-
-    [providers.kubernetesGateway]
-    #...
-    ```
-
     ```yaml tab="File (YAML)"
     experimental:
       kubernetesGateway: true
@@ -32,6 +24,14 @@ This provider is proposed as an experimental feature and partially supports the
       #...
     ```
 
+    ```toml tab="File (TOML)"
+    [experimental]
+      kubernetesGateway = true
+
+    [providers.kubernetesGateway]
+    #...
+    ```
+
     ```bash tab="CLI"
     --experimental.kubernetesgateway=true --providers.kubernetesgateway=true #...
     ```
@@ -119,12 +119,6 @@ When the environment variables are not found, Traefik tries to connect to the Ku
 In this case, the endpoint is required.
 Specifically, it may be set to the URL used by `kubectl proxy` to connect to a Kubernetes cluster using the granted authentication and authorization of the associated kubeconfig.
 
-```toml tab="File (TOML)"
-[providers.kubernetesGateway]
-  endpoint = "http://localhost:8080"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesGateway:
@@ -132,6 +126,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesGateway]
+  endpoint = "http://localhost:8080"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesgateway.endpoint=http://localhost:8080
 ```
@@ -142,12 +142,6 @@ _Optional, Default=""_
 
 Bearer token used for the Kubernetes client configuration.
 
-```toml tab="File (TOML)"
-[providers.kubernetesGateway]
-  token = "mytoken"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesGateway:
@@ -155,6 +149,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesGateway]
+  token = "mytoken"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesgateway.token=mytoken
 ```
@@ -166,12 +166,6 @@ _Optional, Default=""_
 Path to the certificate authority file.
 Used for the Kubernetes client configuration.
 
-```toml tab="File (TOML)"
-[providers.kubernetesGateway]
-  certAuthFilePath = "/my/ca.crt"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesGateway:
@@ -179,6 +173,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesGateway]
+  certAuthFilePath = "/my/ca.crt"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesgateway.certauthfilepath=/my/ca.crt
 ```
@@ -190,12 +190,6 @@ _Optional, Default: []_
 Array of namespaces to watch.
 If left empty, watches all namespaces if the value of `namespaces`.
 
-```toml tab="File (TOML)"
-[providers.kubernetesGateway]
-  namespaces = ["default", "production"]
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesGateway:
@@ -205,6 +199,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesGateway]
+  namespaces = ["default", "production"]
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesgateway.namespaces=default,production
 ```
@@ -218,12 +218,6 @@ If left empty, Traefik processes all GatewayClass objects in the configured name
 
 See [label-selectors](https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors) for details.
 
-```toml tab="File (TOML)"
-[providers.kubernetesGateway]
-  labelselector = "app=traefik"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesGateway:
@@ -231,6 +225,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesGateway]
+  labelselector = "app=traefik"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesgateway.labelselector="app=traefik"
 ```
@@ -247,12 +247,6 @@ If left empty, the provider does not apply any throttling and does not drop any
 The value of `throttleDuration` should be provided in seconds or as a valid duration format,
 see [time.ParseDuration](https://golang.org/pkg/time/#ParseDuration).
 
-```toml tab="File (TOML)"
-[providers.kubernetesGateway]
-  throttleDuration = "10s"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesGateway:
@@ -260,6 +254,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesGateway]
+  throttleDuration = "10s"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesgateway.throttleDuration=10s
 ```

docs/content/providers/kubernetes-ingress.md

@@ -18,15 +18,15 @@ See the dedicated section in [routing](../routing/providers/kubernetes-ingress.m
 
 You can enable the provider in the static configuration:
 
-```toml tab="File (TOML)"
-[providers.kubernetesIngress]
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesIngress: {}
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesIngress]
+```
+
 ```bash tab="CLI"
 --providers.kubernetesingress=true
 ```
@@ -125,12 +125,6 @@ When the environment variables are not found, Traefik tries to connect to the Ku
 In this case, the endpoint is required.
 Specifically, it may be set to the URL used by `kubectl proxy` to connect to a Kubernetes cluster using the granted authentication and authorization of the associated kubeconfig.
 
-```toml tab="File (TOML)"
-[providers.kubernetesIngress]
-  endpoint = "http://localhost:8080"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesIngress:
@@ -138,6 +132,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesIngress]
+  endpoint = "http://localhost:8080"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesingress.endpoint=http://localhost:8080
 ```
@@ -148,12 +148,6 @@ _Optional, Default=""_
 
 Bearer token used for the Kubernetes client configuration.
 
-```toml tab="File (TOML)"
-[providers.kubernetesIngress]
-  token = "mytoken"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesIngress:
@@ -161,6 +155,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesIngress]
+  token = "mytoken"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesingress.token=mytoken
 ```
@@ -172,12 +172,6 @@ _Optional, Default=""_
 Path to the certificate authority file.
 Used for the Kubernetes client configuration.
 
-```toml tab="File (TOML)"
-[providers.kubernetesIngress]
-  certAuthFilePath = "/my/ca.crt"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesIngress:
@@ -185,6 +179,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesIngress]
+  certAuthFilePath = "/my/ca.crt"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesingress.certauthfilepath=/my/ca.crt
 ```
@@ -196,12 +196,6 @@ _Optional, Default: []_
 Array of namespaces to watch.
 If left empty, watches all namespaces if the value of `namespaces`.
 
-```toml tab="File (TOML)"
-[providers.kubernetesIngress]
-  namespaces = ["default", "production"]
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesIngress:
@@ -211,6 +205,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesIngress]
+  namespaces = ["default", "production"]
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesingress.namespaces=default,production
 ```
@@ -224,12 +224,6 @@ If left empty, Traefik processes all Ingress objects in the configured namespace
 
 See [label-selectors](https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors) for details.
 
-```toml tab="File (TOML)"
-[providers.kubernetesIngress]
-  labelSelector = "app=traefik"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesIngress:
@@ -237,6 +231,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesIngress]
+  labelSelector = "app=traefik"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesingress.labelselector="app=traefik"
 ```
@@ -319,12 +319,6 @@ Otherwise, Ingresses missing the annotation, having an empty value, or the value
                     number: 80
     ```
 
-```toml tab="File (TOML)"
-[providers.kubernetesIngress]
-  ingressClass = "traefik-internal"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesIngress:
@@ -332,6 +326,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesIngress]
+  ingressClass = "traefik-internal"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesingress.ingressclass=traefik-internal
 ```
@@ -344,12 +344,6 @@ _Optional, Default: ""_
 
 Hostname used for Kubernetes Ingress endpoints.
 
-```toml tab="File (TOML)"
-[providers.kubernetesIngress.ingressEndpoint]
-  hostname = "example.net"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesIngress:
@@ -358,6 +352,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesIngress.ingressEndpoint]
+  hostname = "example.net"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesingress.ingressendpoint.hostname=example.net
 ```
@@ -368,12 +368,6 @@ _Optional, Default: ""_
 
 IP used for Kubernetes Ingress endpoints.
 
-```toml tab="File (TOML)"
-[providers.kubernetesIngress.ingressEndpoint]
-  ip = "1.2.3.4"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesIngress:
@@ -382,6 +376,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesIngress.ingressEndpoint]
+  ip = "1.2.3.4"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesingress.ingressendpoint.ip=1.2.3.4
 ```
@@ -393,12 +393,6 @@ _Optional, Default: ""_
 Published Kubernetes Service to copy status from.
 Format: `namespace/servicename`.
 
-```toml tab="File (TOML)"
-[providers.kubernetesIngress.ingressEndpoint]
-  publishedService = "namespace/foo-service"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesIngress:
@@ -407,6 +401,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesIngress.ingressEndpoint]
+  publishedService = "namespace/foo-service"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesingress.ingressendpoint.publishedservice=namespace/foo-service
 ```
@@ -423,12 +423,6 @@ If left empty, the provider does not apply any throttling and does not drop any
 The value of `throttleDuration` should be provided in seconds or as a valid duration format,
 see [time.ParseDuration](https://golang.org/pkg/time/#ParseDuration).
 
-```toml tab="File (TOML)"
-[providers.kubernetesIngress]
-  throttleDuration = "10s"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesIngress:
@@ -436,6 +430,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesIngress]
+  throttleDuration = "10s"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesingress.throttleDuration=10s
 ```
@@ -444,12 +444,6 @@ providers:
 
 _Optional, Default: false
 
-```toml tab="File (TOML)"
-[providers.kubernetesIngress]
-  allowEmptyServices = true
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   kubernetesIngress:
@@ -457,6 +451,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.kubernetesIngress]
+  allowEmptyServices = true
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.kubernetesingress.allowEmptyServices=true
 ```

docs/content/providers/marathon.md

@@ -11,15 +11,15 @@ For additional information, refer to [Marathon user guide](../user-guides/marath
 
     Enabling the Marathon provider
 
-    ```toml tab="File (TOML)"
-    [providers.marathon]
-    ```
-
     ```yaml tab="File (YAML)"
     providers:
       marathon: {}
     ```
 
+    ```toml tab="File (TOML)"
+    [providers.marathon]
+    ```
+
     ```bash tab="CLI"
     --providers.marathon=true
     ```
@@ -61,12 +61,6 @@ _Optional_
 
 Enables Marathon basic authentication.
 
-```toml tab="File (TOML)"
-[providers.marathon.basic]
-  httpBasicAuthUser = "foo"
-  httpBasicPassword = "bar"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   marathon:
@@ -75,6 +69,12 @@ providers:
       httpBasicPassword: bar
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon.basic]
+  httpBasicAuthUser = "foo"
+  httpBasicPassword = "bar"
+```
+
 ```bash tab="CLI"
 --providers.marathon.basic.httpbasicauthuser=foo
 --providers.marathon.basic.httpbasicpassword=bar
@@ -88,12 +88,6 @@ Datacenter Operating System (DCOS) Token for DCOS environment.
 
 If set, it overrides the Authorization header.
 
-```toml tab="File (TOML)"
-[providers.marathon]
-  dcosToken = "xxxxxx"
-  # ...
-```
-
 ```toml tab="File (YAML)"
 providers:
   marathon:
@@ -101,6 +95,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon]
+  dcosToken = "xxxxxx"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.marathon.dcosToken=xxxxxx
 ```
@@ -119,12 +119,6 @@ and can include [sprig template functions](http://masterminds.github.io/sprig/).
 The app ID can be accessed with the `Name` identifier,
 and the template has access to all the labels defined on this Marathon application.
 
-```toml tab="File (TOML)"
-[providers.marathon]
-  defaultRule = "Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   marathon:
@@ -132,6 +126,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon]
+  defaultRule = "Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.marathon.defaultRule=Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)
 # ...
@@ -147,19 +147,19 @@ when trying to open a TCP connection to a Marathon master.
 The value of `dialerTimeout` should be provided in seconds or as a valid duration format,
 see [time.ParseDuration](https://golang.org/pkg/time/#ParseDuration).
 
-```toml tab="File (TOML)"
+```yaml tab="File (YAML)"
-[providers.marathon]
-  dialerTimeout = "10s"
-  # ...
-```
-
-```toml tab="File (YAML)"
 providers:
   marathon:
     dialerTimeout: "10s"
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon]
+  dialerTimeout = "10s"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.marathon.dialerTimeout=10s
 ```
@@ -172,19 +172,19 @@ Marathon server endpoint.
 
 You can optionally specify multiple endpoints.
 
-```toml tab="File (TOML)"
+```yaml tab="File (YAML)"
-[providers.marathon]
-  endpoint = "http://10.241.1.71:8080,10.241.1.72:8080,10.241.1.73:8080"
-  # ...
-```
-
-```toml tab="File (YAML)"
 providers:
   marathon:
     endpoint: "http://10.241.1.71:8080,10.241.1.72:8080,10.241.1.73:8080"
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon]
+  endpoint = "http://10.241.1.71:8080,10.241.1.72:8080,10.241.1.73:8080"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.marathon.endpoint=http://10.241.1.71:8080,10.241.1.72:8080,10.241.1.73:8080
 ```
@@ -199,12 +199,6 @@ If set to `false`, applications that do not have a `traefik.enable=true` label a
 
 For additional information, refer to [Restrict the Scope of Service Discovery](./overview.md#restrict-the-scope-of-service-discovery).
 
-```toml tab="File (TOML)"
-[providers.marathon]
-  exposedByDefault = false
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   marathon:
@@ -212,6 +206,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon]
+  exposedByDefault = false
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.marathon.exposedByDefault=false
 # ...
@@ -274,12 +274,6 @@ In addition, to match against Marathon constraints, the function `MarathonConstr
 
 For additional information, refer to [Restrict the Scope of Service Discovery](./overview.md#restrict-the-scope-of-service-discovery).
 
-```toml tab="File (TOML)"
-[providers.marathon]
-  constraints = "Label(`a.label.name`,`foo`)"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   marathon:
@@ -287,6 +281,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon]
+  constraints = "Label(`a.label.name`,`foo`)"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.marathon.constraints=Label(`a.label.name`,`foo`)
 # ...
@@ -300,12 +300,6 @@ By default, the task IP address (as returned by the Marathon API) is used as bac
 otherwise, the name of the host running the task is used.
 The latter behavior can be enforced by setting this option to `true`.
 
-```toml tab="File (TOML)"
-[providers.marathon]
-  forceTaskHostname = true
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   marathon:
@@ -313,6 +307,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon]
+  forceTaskHostname = true
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.marathon.forceTaskHostname=true
 # ...
@@ -326,12 +326,6 @@ Set the TCP Keep Alive duration for the Marathon HTTP Client.
 The value of `keepAlive` should be provided in seconds or as a valid duration format,
 see [time.ParseDuration](https://golang.org/pkg/time/#ParseDuration).
 
-```toml tab="File (TOML)"
-[providers.marathon]
-  keepAlive = "30s"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   marathon:
@@ -339,6 +333,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon]
+  keepAlive = "30s"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.marathon.keepAlive=30s
 # ...
@@ -354,12 +354,6 @@ Note that the checks are only valid during deployments.
 
 See the Marathon guide for details.
 
-```toml tab="File (TOML)"
-[providers.marathon]
-  respectReadinessChecks = true
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   marathon:
@@ -367,6 +361,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon]
+  respectReadinessChecks = true
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.marathon.respectReadinessChecks=true
 # ...
@@ -382,12 +382,6 @@ from a Marathon master.
 The value of `responseHeaderTimeout` should be provided in seconds or as a valid duration format,
 see [time.ParseDuration](https://golang.org/pkg/time/#ParseDuration).
 
-```toml tab="File (TOML)"
-[providers.marathon]
-  responseHeaderTimeout = "66s"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   marathon:
@@ -395,6 +389,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon]
+  responseHeaderTimeout = "66s"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.marathon.responseHeaderTimeout=66s
 # ...
@@ -408,11 +408,6 @@ _Optional_
 
 Certificate Authority used for the secure connection to Marathon.
 
-```toml tab="File (TOML)"
-[providers.marathon.tls]
-  ca = "path/to/ca.crt"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   marathon:
@@ -420,6 +415,11 @@ providers:
       ca: path/to/ca.crt
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon.tls]
+  ca = "path/to/ca.crt"
+```
+
 ```bash tab="CLI"
 --providers.marathon.tls.ca=path/to/ca.crt
 ```
@@ -436,11 +436,6 @@ When this option is set to `true`, a client certificate is requested during the
 
 When this option is set to `false`, a client certificate is requested during the handshake, and at least one valid certificate should be sent by the client.
 
-```toml tab="File (TOML)"
-[providers.marathon.tls]
-  caOptional = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   marathon:
@@ -448,6 +443,11 @@ providers:
       caOptional: true
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon.tls]
+  caOptional = true
+```
+
 ```bash tab="CLI"
 --providers.marathon.tls.caOptional=true
 ```
@@ -456,12 +456,6 @@ providers:
 
 Public certificate used for the secure connection to Marathon.
 
-```toml tab="File (TOML)"
-[providers.marathon.tls]
-  cert = "path/to/foo.cert"
-  key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   marathon:
@@ -470,6 +464,12 @@ providers:
       key: path/to/foo.key
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon.tls]
+  cert = "path/to/foo.cert"
+  key = "path/to/foo.key"
+```
+
 ```bash tab="CLI"
 --providers.marathon.tls.cert=path/to/foo.cert
 --providers.marathon.tls.key=path/to/foo.key
@@ -479,12 +479,6 @@ providers:
 
 Private certificate used for the secure connection to Marathon.
 
-```toml tab="File (TOML)"
-[providers.marathon.tls]
-  cert = "path/to/foo.cert"
-  key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   marathon:
@@ -493,6 +487,12 @@ providers:
       key: path/to/foo.key
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon.tls]
+  cert = "path/to/foo.cert"
+  key = "path/to/foo.key"
+```
+
 ```bash tab="CLI"
 --providers.marathon.tls.cert=path/to/foo.cert
 --providers.marathon.tls.key=path/to/foo.key
@@ -502,11 +502,6 @@ providers:
 
 If `insecureSkipVerify` is `true`, the TLS connection to Marathon accepts any certificate presented by the server regardless of the hostnames it covers.
 
-```toml tab="File (TOML)"
-[providers.marathon.tls]
-  insecureSkipVerify = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   marathon:
@@ -514,6 +509,11 @@ providers:
       insecureSkipVerify: true
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon.tls]
+  insecureSkipVerify = true
+```
+
 ```bash tab="CLI"
 --providers.marathon.tls.insecureSkipVerify=true
 ```
@@ -528,12 +528,6 @@ when waiting for the TLS handshake to complete.
 The value of `tlsHandshakeTimeout` should be provided in seconds or as a valid duration format,
 see [time.ParseDuration](https://golang.org/pkg/time/#ParseDuration).
 
-```toml tab="File (TOML)"
-[providers.marathon]
-  responseHeaderTimeout = "10s"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   marathon:
@@ -541,6 +535,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon]
+  responseHeaderTimeout = "10s"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.marathon.responseHeaderTimeout=10s
 # ...
@@ -552,12 +552,6 @@ _Optional, Default=false_
 
 Displays additional provider logs when available.
 
-```toml tab="File (TOML)"
-[providers.marathon]
-  trace = true
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   marathon:
@@ -565,6 +559,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon]
+  trace = true
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.marathon.trace=true
 # ...
@@ -576,12 +576,6 @@ _Optional, Default=true_
 
 When set to `true`, watches for Marathon changes.
 
-```toml tab="File (TOML)"
-[providers.marathon]
-  watch = false
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   marathon:
@@ -589,6 +583,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.marathon]
+  watch = false
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.marathon.watch=false
 # ...

docs/content/providers/overview.md

@@ -49,12 +49,6 @@ separator, and the provider name.
 
     Declaring the add-foo-prefix in the file provider.
 
-    ```toml tab="File (TOML)"
-    [http.middlewares]
-      [http.middlewares.add-foo-prefix.addPrefix]
-        prefix = "/foo"
-    ```
-
     ```yaml tab="File (YAML)"
     http:
       middlewares:
@@ -63,6 +57,12 @@ separator, and the provider name.
             prefix: "/foo"
     ```
 
+    ```toml tab="File (TOML)"
+    [http.middlewares]
+      [http.middlewares.add-foo-prefix.addPrefix]
+        prefix = "/foo"
+    ```
+
     Using the add-foo-prefix middleware from other providers:
 
     ```yaml tab="Docker"
@@ -133,7 +133,7 @@ Below is the list of the currently supported providers in Traefik.
 | [ECS](./ecs.md)                       | Orchestrator | Label                      |
 | [Marathon](./marathon.md)             | Orchestrator | Label                      |
 | [Rancher](./rancher.md)               | Orchestrator | Label                      |
-| [File](./file.md)                     | Manual       | TOML/YAML format           |
+| [File](./file.md)                     | Manual       | YAML/TOML format           |
 | [Consul](./consul.md)                 | KV           | KV                         |
 | [Etcd](./etcd.md)                     | KV           | KV                         |
 | [ZooKeeper](./zookeeper.md)           | KV           | KV                         |
@@ -169,16 +169,16 @@ but the throttling algorithm applies to each of them independently.
 The value of `providers.providersThrottleDuration` should be provided in seconds or as a valid duration format,
 see [time.ParseDuration](https://golang.org/pkg/time/#ParseDuration).
 
-```toml tab="File (TOML)"
-[providers]
-  providers.providersThrottleDuration = 10s
-```
-
 ```yaml tab="File (YAML)"
 providers:
   providersThrottleDuration: 10s
 ```
 
+```toml tab="File (TOML)"
+[providers]
+  providers.providersThrottleDuration = 10s
+```
+
 ```bash tab="CLI"
 --providers.providersThrottleDuration=10s
 ```

docs/content/providers/rancher.md

@@ -18,15 +18,15 @@ Attach labels to your services and let Traefik do the rest!
 
     Enabling the Rancher provider
 
-    ```toml tab="File (TOML)"
-    [providers.rancher]
-    ```
-
     ```yaml tab="File (YAML)"
     providers:
       rancher: {}
     ```
 
+    ```toml tab="File (TOML)"
+    [providers.rancher]
+    ```
+
     ```bash tab="CLI"
     --providers.rancher=true
     ```
@@ -48,14 +48,14 @@ See the dedicated section in [routing](../routing/providers/rancher.md).
 
     For an overview of all the options that can be set with the Rancher provider, see the following snippets:
 
-    ```toml tab="File (TOML)"
-    --8<-- "content/providers/rancher.toml"
-    ```
-
     ```yaml tab="File (YAML)"
     --8<-- "content/providers/rancher.yml"
     ```
 
+    ```toml tab="File (TOML)"
+    --8<-- "content/providers/rancher.toml"
+    ```
+
     ```bash tab="CLI"
     --8<-- "content/providers/rancher.txt"
     ```
@@ -69,12 +69,6 @@ If set to `false`, services that do not have a `traefik.enable=true` label are i
 
 For additional information, refer to [Restrict the Scope of Service Discovery](./overview.md#restrict-the-scope-of-service-discovery).
 
-```toml tab="File (TOML)"
-[providers.rancher]
-  exposedByDefault = false
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   rancher:
@@ -82,6 +76,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.rancher]
+  exposedByDefault = false
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.rancher.exposedByDefault=false
 # ...
@@ -102,12 +102,6 @@ and the template has access to all the labels defined on this container.
 
 This option can be overridden on a container basis with the `traefik.http.routers.Router1.rule` label.
 
-```toml tab="File (TOML)"
-[providers.rancher]
-  defaultRule = "Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   rancher:
@@ -115,6 +109,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.rancher]
+  defaultRule = "Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.rancher.defaultRule=Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)
 # ...
@@ -126,12 +126,6 @@ _Optional, Default=true_
 
 Filter out services with unhealthy states and inactive states.
 
-```toml tab="File (TOML)"
-[providers.rancher]
-  enableServiceHealthFilter = false
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   rancher:
@@ -139,6 +133,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.rancher]
+  enableServiceHealthFilter = false
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.rancher.enableServiceHealthFilter=false
 # ...
@@ -150,12 +150,6 @@ _Optional, Default=15_
 
 Defines the polling interval (in seconds).
 
-```toml tab="File (TOML)"
-[providers.rancher]
-  refreshSeconds = 30
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   rancher:
@@ -163,6 +157,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.rancher]
+  refreshSeconds = 30
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.rancher.refreshSeconds=30
 # ...
@@ -175,12 +175,6 @@ _Optional, Default=false_
 Poll the Rancher metadata service for changes every `rancher.refreshSeconds`,
 which is less accurate than the default long polling technique which provides near instantaneous updates to Traefik.
 
-```toml tab="File (TOML)"
-[providers.rancher]
-  intervalPoll = true
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   rancher:
@@ -188,6 +182,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.rancher]
+  intervalPoll = true
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.rancher.intervalPoll=true
 # ...
@@ -199,12 +199,6 @@ _Optional, Default="/latest"_
 
 Prefix used for accessing the Rancher metadata service.
 
-```toml tab="File (TOML)"
-[providers.rancher]
-  prefix = "/test"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   rancher:
@@ -212,6 +206,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.rancher]
+  prefix = "/test"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.rancher.prefix=/test
 # ...
@@ -262,12 +262,6 @@ the usual boolean logic, as shown in examples below.
 
 For additional information, refer to [Restrict the Scope of Service Discovery](./overview.md#restrict-the-scope-of-service-discovery).
 
-```toml tab="File (TOML)"
-[providers.rancher]
-  constraints = "Label(`a.label.name`,`foo`)"
-  # ...
-```
-
 ```yaml tab="File (YAML)"
 providers:
   rancher:
@@ -275,6 +269,12 @@ providers:
     # ...
 ```
 
+```toml tab="File (TOML)"
+[providers.rancher]
+  constraints = "Label(`a.label.name`,`foo`)"
+  # ...
+```
+
 ```bash tab="CLI"
 --providers.rancher.constraints=Label(`a.label.name`,`foo`)
 # ...

docs/content/providers/redis.md

@@ -17,11 +17,6 @@ _Required, Default="127.0.0.1:6379"_
 
 Defines how to access to Redis.
 
-```toml tab="File (TOML)"
-[providers.redis]
-  endpoints = ["127.0.0.1:6379"]
-```
-
 ```yaml tab="File (YAML)"
 providers:
   redis:
@@ -29,6 +24,11 @@ providers:
       - "127.0.0.1:6379"
 ```
 
+```toml tab="File (TOML)"
+[providers.redis]
+  endpoints = ["127.0.0.1:6379"]
+```
+
 ```bash tab="CLI"
 --providers.redis.endpoints=127.0.0.1:6379
 ```
@@ -39,17 +39,17 @@ _Required, Default="traefik"_
 
 Defines the root key of the configuration.
 
-```toml tab="File (TOML)"
-[providers.redis]
-  rootKey = "traefik"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   redis:
     rootKey: "traefik"
 ```
 
+```toml tab="File (TOML)"
+[providers.redis]
+  rootKey = "traefik"
+```
+
 ```bash tab="CLI"
 --providers.redis.rootkey=traefik
 ```
@@ -60,12 +60,6 @@ _Optional, Default=""_
 
 Defines a username to connect with Redis.
 
-```toml tab="File (TOML)"
-[providers.redis]
-  # ...
-  username = "foo"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   redis:
@@ -73,6 +67,12 @@ providers:
     usename: "foo"
 ```
 
+```toml tab="File (TOML)"
+[providers.redis]
+  # ...
+  username = "foo"
+```
+
 ```bash tab="CLI"
 --providers.redis.username=foo
 ```
@@ -83,12 +83,6 @@ _Optional, Default=""_
 
 Defines a password to connect with Redis.
 
-```toml tab="File (TOML)"
-[providers.redis]
-  # ...
-  password = "bar"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   redis:
@@ -96,6 +90,12 @@ providers:
     password: "bar"
 ```
 
+```toml tab="File (TOML)"
+[providers.redis]
+  # ...
+  password = "bar"
+```
+
 ```bash tab="CLI"
 --providers.redis.password=foo
 ```
@@ -108,11 +108,6 @@ _Optional_
 
 Certificate Authority used for the secure connection to Redis.
 
-```toml tab="File (TOML)"
-[providers.redis.tls]
-  ca = "path/to/ca.crt"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   redis:
@@ -120,6 +115,11 @@ providers:
       ca: path/to/ca.crt
 ```
 
+```toml tab="File (TOML)"
+[providers.redis.tls]
+  ca = "path/to/ca.crt"
+```
+
 ```bash tab="CLI"
 --providers.redis.tls.ca=path/to/ca.crt
 ```
@@ -136,11 +136,6 @@ When this option is set to `true`, a client certificate is requested during the
 
 When this option is set to `false`, a client certificate is requested during the handshake, and at least one valid certificate should be sent by the client.
 
-```toml tab="File (TOML)"
-[providers.redis.tls]
-  caOptional = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   redis:
@@ -148,6 +143,11 @@ providers:
       caOptional: true
 ```
 
+```toml tab="File (TOML)"
+[providers.redis.tls]
+  caOptional = true
+```
+
 ```bash tab="CLI"
 --providers.redis.tls.caOptional=true
 ```
@@ -156,12 +156,6 @@ providers:
 
 Public certificate used for the secure connection to Redis.
 
-```toml tab="File (TOML)"
-[providers.redis.tls]
-  cert = "path/to/foo.cert"
-  key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   redis:
@@ -170,6 +164,12 @@ providers:
       key: path/to/foo.key
 ```
 
+```toml tab="File (TOML)"
+[providers.redis.tls]
+  cert = "path/to/foo.cert"
+  key = "path/to/foo.key"
+```
+
 ```bash tab="CLI"
 --providers.redis.tls.cert=path/to/foo.cert
 --providers.redis.tls.key=path/to/foo.key
@@ -179,12 +179,6 @@ providers:
 
 Private certificate used for the secure connection to Redis.
 
-```toml tab="File (TOML)"
-[providers.redis.tls]
-  cert = "path/to/foo.cert"
-  key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   redis:
@@ -193,6 +187,12 @@ providers:
       key: path/to/foo.key
 ```
 
+```toml tab="File (TOML)"
+[providers.redis.tls]
+  cert = "path/to/foo.cert"
+  key = "path/to/foo.key"
+```
+
 ```bash tab="CLI"
 --providers.redis.tls.cert=path/to/foo.cert
 --providers.redis.tls.key=path/to/foo.key
@@ -202,11 +202,6 @@ providers:
 
 If `insecureSkipVerify` is `true`, the TLS connection to Redis accepts any certificate presented by the server regardless of the hostnames it covers.
 
-```toml tab="File (TOML)"
-[providers.redis.tls]
-  insecureSkipVerify = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   redis:
@@ -214,6 +209,11 @@ providers:
       insecureSkipVerify: true
 ```
 
+```toml tab="File (TOML)"
+[providers.redis.tls]
+  insecureSkipVerify = true
+```
+
 ```bash tab="CLI"
 --providers.redis.tls.insecureSkipVerify=true
 ```

docs/content/providers/zookeeper.md

@@ -17,11 +17,6 @@ _Required, Default="127.0.0.1:2181"_
 
 Defines how to access to ZooKeeper.
 
-```toml tab="File (TOML)"
-[providers.zooKeeper]
-  endpoints = ["127.0.0.1:2181"]
-```
-
 ```yaml tab="File (YAML)"
 providers:
   zooKeeper:
@@ -29,6 +24,11 @@ providers:
       - "127.0.0.1:2181"
 ```
 
+```toml tab="File (TOML)"
+[providers.zooKeeper]
+  endpoints = ["127.0.0.1:2181"]
+```
+
 ```bash tab="CLI"
 --providers.zookeeper.endpoints=127.0.0.1:2181
 ```
@@ -39,17 +39,17 @@ _Required, Default="traefik"_
 
 Defines the root key of the configuration.
 
-```toml tab="File (TOML)"
-[providers.zooKeeper]
-  rootKey = "traefik"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   zooKeeper:
     rootKey: "traefik"
 ```
 
+```toml tab="File (TOML)"
+[providers.zooKeeper]
+  rootKey = "traefik"
+```
+
 ```bash tab="CLI"
 --providers.zookeeper.rootkey=traefik
 ```
@@ -60,12 +60,6 @@ _Optional, Default=""_
 
 Defines a username to connect with ZooKeeper.
 
-```toml tab="File (TOML)"
-[providers.zooKeeper]
-  # ...
-  username = "foo"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   zooKeeper:
@@ -73,6 +67,12 @@ providers:
     usename: "foo"
 ```
 
+```toml tab="File (TOML)"
+[providers.zooKeeper]
+  # ...
+  username = "foo"
+```
+
 ```bash tab="CLI"
 --providers.zookeeper.username=foo
 ```
@@ -83,12 +83,6 @@ _Optional, Default=""_
 
 Defines a password to connect with ZooKeeper.
 
-```toml tab="File (TOML)"
-[providers.zooKeeper]
-  # ...
-  password = "bar"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   zooKeeper:
@@ -96,6 +90,12 @@ providers:
     password: "bar"
 ```
 
+```toml tab="File (TOML)"
+[providers.zooKeeper]
+  # ...
+  password = "bar"
+```
+
 ```bash tab="CLI"
 --providers.zookeeper.password=foo
 ```
@@ -108,11 +108,6 @@ _Optional_
 
 Certificate Authority used for the secure connection to ZooKeeper.
 
-```toml tab="File (TOML)"
-[providers.zooKeeper.tls]
-  ca = "path/to/ca.crt"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   zooKeeper:
@@ -120,6 +115,11 @@ providers:
       ca: path/to/ca.crt
 ```
 
+```toml tab="File (TOML)"
+[providers.zooKeeper.tls]
+  ca = "path/to/ca.crt"
+```
+
 ```bash tab="CLI"
 --providers.zookeeper.tls.ca=path/to/ca.crt
 ```
@@ -136,11 +136,6 @@ When this option is set to `true`, a client certificate is requested during the
 
 When this option is set to `false`, a client certificate is requested during the handshake, and at least one valid certificate should be sent by the client.
 
-```toml tab="File (TOML)"
-[providers.zooKeeper.tls]
-  caOptional = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   zooKeeper:
@@ -148,6 +143,11 @@ providers:
       caOptional: true
 ```
 
+```toml tab="File (TOML)"
+[providers.zooKeeper.tls]
+  caOptional = true
+```
+
 ```bash tab="CLI"
 --providers.zookeeper.tls.caOptional=true
 ```
@@ -156,12 +156,6 @@ providers:
 
 Public certificate used for the secure connection to ZooKeeper.
 
-```toml tab="File (TOML)"
-[providers.zooKeeper.tls]
-  cert = "path/to/foo.cert"
-  key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   zooKeeper:
@@ -170,6 +164,12 @@ providers:
       key: path/to/foo.key
 ```
 
+```toml tab="File (TOML)"
+[providers.zooKeeper.tls]
+  cert = "path/to/foo.cert"
+  key = "path/to/foo.key"
+```
+
 ```bash tab="CLI"
 --providers.zookeeper.tls.cert=path/to/foo.cert
 --providers.zookeeper.tls.key=path/to/foo.key
@@ -179,12 +179,6 @@ providers:
 
 Private certificate used for the secure connection to ZooKeeper.
 
-```toml tab="File (TOML)"
-[providers.zooKeeper.tls]
-  cert = "path/to/foo.cert"
-  key = "path/to/foo.key"
-```
-
 ```yaml tab="File (YAML)"
 providers:
   zooKeeper:
@@ -193,6 +187,12 @@ providers:
       key: path/to/foo.key
 ```
 
+```toml tab="File (TOML)"
+[providers.zooKeeper.tls]
+  cert = "path/to/foo.cert"
+  key = "path/to/foo.key"
+```
+
 ```bash tab="CLI"
 --providers.zookeeper.tls.cert=path/to/foo.cert
 --providers.zookeeper.tls.key=path/to/foo.key
@@ -202,11 +202,6 @@ providers:
 
 If `insecureSkipVerify` is `true`, the TLS connection to Zookeeper accepts any certificate presented by the server regardless of the hostnames it covers.
 
-```toml tab="File (TOML)"
-[providers.zooKeeper.tls]
-  insecureSkipVerify = true
-```
-
 ```yaml tab="File (YAML)"
 providers:
   zooKeeper:
@@ -214,6 +209,11 @@ providers:
       insecureSkipVerify: true
 ```
 
+```toml tab="File (TOML)"
+[providers.zooKeeper.tls]
+  insecureSkipVerify = true
+```
+
 ```bash tab="CLI"
 --providers.zookeeper.tls.insecureSkipVerify=true
 ```

docs/content/reference/dynamic-configuration/file.md

@@ -3,10 +3,10 @@
 Dynamic configuration with files
 {: .subtitle }
 
-```toml  tab="TOML"
---8<-- "content/reference/dynamic-configuration/file.toml"
-```
-
 ```yml  tab="YAML"
 --8<-- "content/reference/dynamic-configuration/file.yaml"
 ```
+
+```toml  tab="TOML"
+--8<-- "content/reference/dynamic-configuration/file.toml"
+```

docs/content/reference/static-configuration/cli-ref.md

@@ -538,7 +538,7 @@ KV Username
 Enable debug logging of generated configuration template. (Default: ```false```)
 
 `--providers.file.directory`:  
-Load dynamic configuration from one or more .toml or .yml files in a directory.
+Load dynamic configuration from one or more .yml or .toml files in a directory.
 
 `--providers.file.filename`:  
 Load dynamic configuration from a file.

docs/content/reference/static-configuration/env-ref.md

@@ -538,7 +538,7 @@ KV Username
 Enable debug logging of generated configuration template. (Default: ```false```)
 
 `TRAEFIK_PROVIDERS_FILE_DIRECTORY`:  
-Load dynamic configuration from one or more .toml or .yml files in a directory.
+Load dynamic configuration from one or more .yml or .toml files in a directory.
 
 `TRAEFIK_PROVIDERS_FILE_FILENAME`:  
 Load dynamic configuration from a file.

docs/content/reference/static-configuration/file.md

@@ -1,9 +1,9 @@
 # Static Configuration: File
 
-```toml  tab="TOML"
---8<-- "content/reference/static-configuration/file.toml"
-```
-
 ```yml  tab="YAML"
 --8<-- "content/reference/static-configuration/file.yaml"
 ```
+
+```toml  tab="TOML"
+--8<-- "content/reference/static-configuration/file.toml"
+```

docs/content/reference/static-configuration/file.toml

@@ -386,6 +386,7 @@
 
 [pilot]
   token = "foobar"
+  dashboard = true
 
 [experimental]
   kubernetesGateway = true

docs/content/reference/static-configuration/file.yaml

@@ -407,6 +407,7 @@ certificatesResolvers:
       tlsChallenge: {}
 pilot:
   token: foobar
+  dashboard: true
 experimental:
   kubernetesGateway: true
   http3: true

docs/content/routing/overview.md

@@ -26,18 +26,6 @@ In the process, Traefik will make sure that the user is authenticated (using the
 
 Static configuration:
 
-```toml tab="File (TOML)"
-[entryPoints]
-  [entryPoints.web]
-    # Listen on port 8081 for incoming requests
-    address = ":8081"
-
-[providers]
-  # Enable the file provider to define routers / middlewares / services in file
-  [providers.file]
-    directory = "/path/to/dynamic/conf"
-```
-
 ```yaml tab="File (YAML)"
 entryPoints:
   web:
@@ -50,6 +38,18 @@ providers:
     directory: /path/to/dynamic/conf
 ```
 
+```toml tab="File (TOML)"
+[entryPoints]
+  [entryPoints.web]
+    # Listen on port 8081 for incoming requests
+    address = ":8081"
+
+[providers]
+  # Enable the file provider to define routers / middlewares / services in file
+  [providers.file]
+    directory = "/path/to/dynamic/conf"
+```
+
 ```bash tab="CLI"
 # Listen on port 8081 for incoming requests
 --entryPoints.web.address=:8081
@@ -60,30 +60,6 @@ providers:
 
 Dynamic configuration:
 
-```toml tab="TOML"
-# http routing section
-[http]
-  [http.routers]
-     # Define a connection between requests and services
-     [http.routers.to-whoami]
-      rule = "Host(`example.com`) && PathPrefix(`/whoami/`)"
-      # If the rule matches, applies the middleware
-      middlewares = ["test-user"]
-      # If the rule matches, forward to the whoami service (declared below)
-      service = "whoami"
-
-  [http.middlewares]
-    # Define an authentication mechanism
-    [http.middlewares.test-user.basicAuth]
-      users = ["test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/"]
-
-  [http.services]
-    # Define how to reach an existing service on our infrastructure
-    [http.services.whoami.loadBalancer]
-      [[http.services.whoami.loadBalancer.servers]]
-        url = "http://private/whoami-service"
-```
-
 ```yaml tab="YAML"
 # http routing section
 http:
@@ -112,6 +88,30 @@ http:
         - url: http://private/whoami-service
 ```
 
+```toml tab="TOML"
+# http routing section
+[http]
+  [http.routers]
+     # Define a connection between requests and services
+     [http.routers.to-whoami]
+      rule = "Host(`example.com`) && PathPrefix(`/whoami/`)"
+      # If the rule matches, applies the middleware
+      middlewares = ["test-user"]
+      # If the rule matches, forward to the whoami service (declared below)
+      service = "whoami"
+
+  [http.middlewares]
+    # Define an authentication mechanism
+    [http.middlewares.test-user.basicAuth]
+      users = ["test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/"]
+
+  [http.services]
+    # Define how to reach an existing service on our infrastructure
+    [http.services.whoami.loadBalancer]
+      [[http.services.whoami.loadBalancer.servers]]
+        url = "http://private/whoami-service"
+```
+
 !!! info ""
 
     In this example, we use the [file provider](../providers/file.md).
@@ -125,7 +125,18 @@ http:
     ??? example "Adding a TCP route for TLS requests on whoami.example.com"
 
         **Static Configuration**
-        
+
+        ```yaml tab="File (YAML)"
+        entryPoints:
+          web:
+            # Listen on port 8081 for incoming requests
+            address: :8081
+        providers:
+          # Enable the file provider to define routers / middlewares / services in file
+          file:
+            directory: /path/to/dynamic/conf
+        ```
+
         ```toml tab="File (TOML)"
         [entryPoints]
           [entryPoints.web]
@@ -137,64 +148,17 @@ http:
           [providers.file]
             directory = "/path/to/dynamic/conf"
         ```
-        
+
-        ```yaml tab="File (YAML)"
-        entryPoints:
-          web:
-            # Listen on port 8081 for incoming requests
-            address: :8081
-        providers:
-          # Enable the file provider to define routers / middlewares / services in file
-          file:
-            directory: /path/to/dynamic/conf
-        ```
-        
         ```bash tab="CLI"
         # Listen on port 8081 for incoming requests
         --entryPoints.web.address=:8081
-        
+
         # Enable the file provider to define routers / middlewares / services in file
         --providers.file.directory=/path/to/dynamic/conf
         ```
-        
+
         **Dynamic Configuration**
 
-        ```toml tab="TOML"
-        # http routing section
-        [http]
-          [http.routers]
-            # Define a connection between requests and services
-            [http.routers.to-whoami]
-              rule = "Host(`example.com`) && PathPrefix(`/whoami/`)"
-              # If the rule matches, applies the middleware
-              middlewares = ["test-user"]
-              # If the rule matches, forward to the whoami service (declared below)
-              service = "whoami"
-
-          [http.middlewares]
-             # Define an authentication mechanism
-             [http.middlewares.test-user.basicAuth]
-               users = ["test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/"]
-
-          [http.services]
-             # Define how to reach an existing service on our infrastructure
-             [http.services.whoami.loadBalancer]
-               [[http.services.whoami.loadBalancer.servers]]
-                 url = "http://private/whoami-service"
-
-        [tcp]
-          [tcp.routers]
-            [tcp.routers.to-whoami-tcp]
-              rule = "HostSNI(`whoami-tcp.example.com`)"
-              service = "whoami-tcp"
-              [tcp.routers.to-whoami-tcp.tls]
-
-          [tcp.services]
-            [tcp.services.whoami-tcp.loadBalancer]
-              [[tcp.services.whoami-tcp.loadBalancer.servers]]
-                address = "xx.xx.xx.xx:xx"
-        ```
-        
         ```yaml tab="YAML"
         # http routing section
         http:
@@ -237,6 +201,42 @@ http:
                 - address: xx.xx.xx.xx:xx
         ```
 
+        ```toml tab="TOML"
+        # http routing section
+        [http]
+          [http.routers]
+            # Define a connection between requests and services
+            [http.routers.to-whoami]
+              rule = "Host(`example.com`) && PathPrefix(`/whoami/`)"
+              # If the rule matches, applies the middleware
+              middlewares = ["test-user"]
+              # If the rule matches, forward to the whoami service (declared below)
+              service = "whoami"
+
+          [http.middlewares]
+             # Define an authentication mechanism
+             [http.middlewares.test-user.basicAuth]
+               users = ["test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/"]
+
+          [http.services]
+             # Define how to reach an existing service on our infrastructure
+             [http.services.whoami.loadBalancer]
+               [[http.services.whoami.loadBalancer.servers]]
+                 url = "http://private/whoami-service"
+
+        [tcp]
+          [tcp.routers]
+            [tcp.routers.to-whoami-tcp]
+              rule = "HostSNI(`whoami-tcp.example.com`)"
+              service = "whoami-tcp"
+              [tcp.routers.to-whoami-tcp.tls]
+
+          [tcp.services]
+            [tcp.services.whoami-tcp.loadBalancer]
+              [[tcp.services.whoami-tcp.loadBalancer.servers]]
+                address = "xx.xx.xx.xx:xx"
+        ```
+
 ## Transport configuration
 
 Most of what happens to the connection between the clients and Traefik,
@@ -254,18 +254,18 @@ _Optional, Default=false_
 
 `insecureSkipVerify` disables SSL certificate verification.
 
-```toml tab="File (TOML)"
-## Static configuration
-[serversTransport]
-  insecureSkipVerify = true
-```
-
 ```yaml tab="File (YAML)"
 ## Static configuration
 serversTransport:
   insecureSkipVerify: true
 ```
 
+```toml tab="File (TOML)"
+## Static configuration
+[serversTransport]
+  insecureSkipVerify = true
+```
+
 ```bash tab="CLI"
 ## Static configuration
 --serversTransport.insecureSkipVerify=true
@@ -278,12 +278,6 @@ _Optional_
 `rootCAs` is the list of certificates (as file paths, or data bytes)
 that will be set as Root Certificate Authorities when using a self-signed TLS certificate.
 
-```toml tab="File (TOML)"
-## Static configuration
-[serversTransport]
-  rootCAs = ["foo.crt", "bar.crt"]
-```
-
 ```yaml tab="File (YAML)"
 ## Static configuration
 serversTransport:
@@ -292,6 +286,12 @@ serversTransport:
     - bar.crt
 ```
 
+```toml tab="File (TOML)"
+## Static configuration
+[serversTransport]
+  rootCAs = ["foo.crt", "bar.crt"]
+```
+
 ```bash tab="CLI"
 ## Static configuration
 --serversTransport.rootCAs=foo.crt,bar.crt
@@ -303,18 +303,18 @@ _Optional, Default=2_
 
 If non-zero, `maxIdleConnsPerHost` controls the maximum idle (keep-alive) connections to keep per-host.
 
-```toml tab="File (TOML)"
-## Static configuration
-[serversTransport]
-  maxIdleConnsPerHost = 7
-```
-
 ```yaml tab="File (YAML)"
 ## Static configuration
 serversTransport:
   maxIdleConnsPerHost: 7
 ```
 
+```toml tab="File (TOML)"
+## Static configuration
+[serversTransport]
+  maxIdleConnsPerHost = 7
+```
+
 ```bash tab="CLI"
 ## Static configuration
 --serversTransport.maxIdleConnsPerHost=7
@@ -331,12 +331,6 @@ _Optional, Default=30s_
 `dialTimeout` is the maximum duration allowed for a connection to a backend server to be established.
 Zero means no timeout.
 
-```toml tab="File (TOML)"
-## Static configuration
-[serversTransport.forwardingTimeouts]
-  dialTimeout = "1s"
-```
-
 ```yaml tab="File (YAML)"
 ## Static configuration
 serversTransport:
@@ -344,6 +338,12 @@ serversTransport:
     dialTimeout: 1s
 ```
 
+```toml tab="File (TOML)"
+## Static configuration
+[serversTransport.forwardingTimeouts]
+  dialTimeout = "1s"
+```
+
 ```bash tab="CLI"
 ## Static configuration
 --serversTransport.forwardingTimeouts.dialTimeout=1s
@@ -358,12 +358,6 @@ after fully writing the request (including its body, if any).
 This time does not include the time to read the response body.
 Zero means no timeout.
 
-```toml tab="File (TOML)"
-## Static configuration
-[serversTransport.forwardingTimeouts]
-  responseHeaderTimeout = "1s"
-```
-
 ```yaml tab="File (YAML)"
 ## Static configuration
 serversTransport:
@@ -371,6 +365,12 @@ serversTransport:
     responseHeaderTimeout: 1s
 ```
 
+```toml tab="File (TOML)"
+## Static configuration
+[serversTransport.forwardingTimeouts]
+  responseHeaderTimeout = "1s"
+```
+
 ```bash tab="CLI"
 ## Static configuration
 --serversTransport.forwardingTimeouts.responseHeaderTimeout=1s
@@ -384,12 +384,6 @@ _Optional, Default=90s_
 will remain idle before closing itself.
 Zero means no limit.
 
-```toml tab="File (TOML)"
-## Static configuration
-[serversTransport.forwardingTimeouts]
-  idleConnTimeout = "1s"
-```
-
 ```yaml tab="File (YAML)"
 ## Static configuration
 serversTransport:
@@ -397,6 +391,12 @@ serversTransport:
     idleConnTimeout: 1s
 ```
 
+```toml tab="File (TOML)"
+## Static configuration
+[serversTransport.forwardingTimeouts]
+  idleConnTimeout = "1s"
+```
+
 ```bash tab="CLI"
 ## Static configuration
 --serversTransport.forwardingTimeouts.idleConnTimeout=1s

docs/content/routing/providers/docker.md

@@ -13,15 +13,15 @@ Attach labels to your containers and let Traefik do the rest!
 
     Enabling the docker provider
 
-    ```toml tab="File (TOML)"
-    [providers.docker]
-    ```
-
     ```yaml tab="File (YAML)"
     providers:
       docker: {}
     ```
 
+    ```toml tab="File (TOML)"
+    [providers.docker]
+    ```
+
     ```bash tab="CLI"
     --providers.docker=true
     ```
@@ -82,15 +82,6 @@ Attach labels to your containers and let Traefik do the rest!
 
     Enabling the docker provider (Swarm Mode)
 
-    ```toml tab="File (TOML)"
-    [providers.docker]
-      # swarm classic (1.12-)
-      # endpoint = "tcp://127.0.0.1:2375"
-      # docker swarm mode (1.12+)
-      endpoint = "tcp://127.0.0.1:2377"
-      swarmMode = true
-    ```
-
     ```yaml tab="File (YAML)"
     providers:
       docker:
@@ -101,6 +92,15 @@ Attach labels to your containers and let Traefik do the rest!
         swarmMode: true
     ```
 
+    ```toml tab="File (TOML)"
+    [providers.docker]
+      # swarm classic (1.12-)
+      # endpoint = "tcp://127.0.0.1:2375"
+      # docker swarm mode (1.12+)
+      endpoint = "tcp://127.0.0.1:2377"
+      swarmMode = true
+    ```
+
     ```bash tab="CLI"
     # swarm classic (1.12-)
     # --providers.docker.endpoint=tcp://127.0.0.1:2375
@@ -266,7 +266,7 @@ you'd add the label `traefik.http.services.<name-of-your-choice>.loadbalancer.pa
 !!! warning "The character `@` is not authorized in the service name `<service_name>`."
 
 ??? info "`traefik.http.services.<service_name>.loadbalancer.server.port`"
-    
+
     Registers a port.
     Useful when the container exposes multiples ports.
 
@@ -289,7 +289,7 @@ you'd add the label `traefik.http.services.<name-of-your-choice>.loadbalancer.pa
 
     Allows to reference a ServersTransport resource that is defined either with the File provider or the Kubernetes CRD one.
     See [serverstransport](../services/index.md#serverstransport) for more information.
-    
+
     ```yaml
     - "traefik.http.services.<service_name>.loadbalancer.serverstransport=foobar@file"
     ```
@@ -399,9 +399,9 @@ you'd add the label `traefik.http.services.<name-of-your-choice>.loadbalancer.pa
     ```
 
 ??? info "`traefik.http.services.<service_name>.loadbalancer.sticky.cookie.samesite`"
-    
+
     See [sticky sessions](../services/index.md#sticky-sessions) for more information.
-    
+
     ```yaml
     - "traefik.http.services.myservice.loadbalancer.sticky.cookie.samesite=none"
     ```

docs/content/routing/providers/kubernetes-crd.md

@@ -1203,7 +1203,7 @@ Register the `IngressRouteTCP` [kind](../../reference/dynamic-configuration/kube
     
     ??? example "Examples"
         
-        ```yaml tab="IngressRouteTCP"
+        ```yaml tab="Only on IngressRouteTCP"
         ---
         apiVersion: traefik.containo.us/v1alpha1
         kind: IngressRouteTCP
@@ -1233,38 +1233,7 @@ Register the `IngressRouteTCP` [kind](../../reference/dynamic-configuration/kube
           type: ExternalName
         ```
         
-        ```yaml tab="ExternalName Service"
+        ```yaml tab="On both sides"
-        ---
-        apiVersion: traefik.containo.us/v1alpha1
-        kind: IngressRouteTCP
-        metadata:
-          name: test.route
-          namespace: default
-        
-        spec:
-          entryPoints:
-            - foo
-        
-          routes:
-          - match: HostSNI(`*`)
-            kind: Rule
-            services:
-            - name: external-svc
-        
-        ---
-        apiVersion: v1
-        kind: Service
-        metadata:
-          name: external-svc
-          namespace: default
-        spec:
-          externalName: external.domain
-          type: ExternalName
-          ports:
-            - port: 80
-        ```
-        
-        ```yaml tab="Both sides"
         ---
         apiVersion: traefik.containo.us/v1alpha1
         kind: IngressRouteTCP

docs/content/routing/providers/kubernetes-gateway.md

@@ -209,7 +209,7 @@ Kubernetes cluster before creating `HTTPRoute` objects.
             - headers:                          # [8]
                 type: Exact                     # [9]
                 values:                         # [10]
-                  - foo: bar
+                  foo: bar
           forwardTo:                            # [11]
             - serviceName: whoami               # [12]
               weight: 1                         # [13]

docs/content/routing/providers/kubernetes-ingress.md

@@ -12,7 +12,7 @@ which in turn will create the resulting routers, services, handlers, etc.
 ## Configuration Example
 
 ??? example "Configuring Kubernetes Ingress Controller"
-    
+
     ```yaml tab="RBAC"
     ---
     kind: ClusterRole
@@ -46,7 +46,7 @@ which in turn will create the resulting routers, services, handlers, etc.
           - ingresses/status
         verbs:
           - update
-    
+
     ---
     kind: ClusterRoleBinding
     apiVersion: rbac.authorization.k8s.io/v1beta1
@@ -61,7 +61,7 @@ which in turn will create the resulting routers, services, handlers, etc.
         name: traefik-ingress-controller
         namespace: default
     ```
-    
+
     ```yaml tab="Ingress"
     kind: Ingress
     apiVersion: networking.k8s.io/v1beta1
@@ -69,7 +69,7 @@ which in turn will create the resulting routers, services, handlers, etc.
       name: myingress
       annotations:
         traefik.ingress.kubernetes.io/router.entrypoints: web
-    
+
     spec:
       rules:
         - host: example.com
@@ -117,7 +117,7 @@ which in turn will create the resulting routers, services, handlers, etc.
     kind: ServiceAccount
     metadata:
       name: traefik-ingress-controller
-    
+
     ---
     kind: Deployment
     apiVersion: apps/v1
@@ -125,7 +125,7 @@ which in turn will create the resulting routers, services, handlers, etc.
       name: traefik
       labels:
         app: traefik
-    
+
     spec:
       replicas: 1
       selector:
@@ -146,7 +146,7 @@ which in turn will create the resulting routers, services, handlers, etc.
               ports:
                 - name: web
                   containerPort: 80
-    
+
     ---
     apiVersion: v1
     kind: Service
@@ -162,7 +162,7 @@ which in turn will create the resulting routers, services, handlers, etc.
           name: web
           targetPort: 80
     ```
-    
+
     ```yaml tab="Whoami"
     kind: Deployment
     apiVersion: apps/v1
@@ -171,7 +171,7 @@ which in turn will create the resulting routers, services, handlers, etc.
       labels:
         app: traefiklabs
         name: whoami
-    
+
     spec:
       replicas: 2
       selector:
@@ -189,13 +189,13 @@ which in turn will create the resulting routers, services, handlers, etc.
               image: traefik/whoami
               ports:
                 - containerPort: 80
-    
+
     ---
     apiVersion: v1
     kind: Service
     metadata:
       name: whoami
-    
+
     spec:
       ports:
         - name: http
@@ -237,7 +237,7 @@ which in turn will create the resulting routers, services, handlers, etc.
 
     Overrides the default router rule type used for a path.  
     Only path-related matcher name can be specified: `Path`, `PathPrefix`.
-    
+
     Default `PathPrefix`
 
     ```yaml
@@ -351,7 +351,7 @@ which in turn will create the resulting routers, services, handlers, etc.
     ```
 
 ## Path Types on Kubernetes 1.18+
-              
+
 If the Kubernetes cluster version is 1.18+,
 the new `pathType` property can be leveraged to define the rules matchers:
 
@@ -376,14 +376,6 @@ TLS can be enabled through the [HTTP options](../entrypoints.md#tls) of an Entry
 --entrypoints.websecure.http.tls
 ```
 
-```toml tab="File (TOML)"
-# Static configuration
-[entryPoints.websecure]
-  address = ":443"
-
-    [entryPoints.websecure.http.tls]
-```
-
 ```yaml tab="File (YAML)"
 # Static configuration
 entryPoints:
@@ -393,10 +385,18 @@ entryPoints:
       tls: {}
 ```
 
+```toml tab="File (TOML)"
+# Static configuration
+[entryPoints.websecure]
+  address = ":443"
+
+    [entryPoints.websecure.http.tls]
+```
+
 This way, any Ingress attached to this Entrypoint will have TLS termination by default.
 
 ??? example "Configuring Kubernetes Ingress Controller with TLS on Entrypoint"
-    
+
     ```yaml tab="RBAC"
     ---
     kind: ClusterRole
@@ -430,7 +430,7 @@ This way, any Ingress attached to this Entrypoint will have TLS termination by d
           - ingresses/status
         verbs:
           - update
-    
+
     ---
     kind: ClusterRoleBinding
     apiVersion: rbac.authorization.k8s.io/v1beta1
@@ -445,7 +445,7 @@ This way, any Ingress attached to this Entrypoint will have TLS termination by d
         name: traefik-ingress-controller
         namespace: default
     ```
-    
+
     ```yaml tab="Ingress"
     kind: Ingress
     apiVersion: networking.k8s.io/v1beta1
@@ -453,7 +453,7 @@ This way, any Ingress attached to this Entrypoint will have TLS termination by d
       name: myingress
       annotations:
         traefik.ingress.kubernetes.io/router.entrypoints: websecure
-    
+
     spec:
       rules:
         - host: example.com
@@ -501,7 +501,7 @@ This way, any Ingress attached to this Entrypoint will have TLS termination by d
     kind: ServiceAccount
     metadata:
       name: traefik-ingress-controller
-    
+
     ---
     kind: Deployment
     apiVersion: apps/v1
@@ -509,7 +509,7 @@ This way, any Ingress attached to this Entrypoint will have TLS termination by d
       name: traefik
       labels:
         app: traefik
-    
+
     spec:
       replicas: 1
       selector:
@@ -531,7 +531,7 @@ This way, any Ingress attached to this Entrypoint will have TLS termination by d
               ports:
                 - name: websecure
                   containerPort: 443
-    
+
     ---
     apiVersion: v1
     kind: Service
@@ -547,7 +547,7 @@ This way, any Ingress attached to this Entrypoint will have TLS termination by d
           name: websecure
           targetPort: 443
     ```
-    
+
     ```yaml tab="Whoami"
     kind: Deployment
     apiVersion: apps/v1
@@ -556,7 +556,7 @@ This way, any Ingress attached to this Entrypoint will have TLS termination by d
       labels:
         app: traefiklabs
         name: whoami
-    
+
     spec:
       replicas: 2
       selector:
@@ -574,13 +574,13 @@ This way, any Ingress attached to this Entrypoint will have TLS termination by d
               image: traefik/whoami
               ports:
                 - containerPort: 80
-    
+
     ---
     apiVersion: v1
     kind: Service
     metadata:
       name: whoami
-    
+
     spec:
       ports:
         - name: http
@@ -597,11 +597,11 @@ To enable TLS on the underlying router created from an Ingress, one should confi
 ```yaml
 traefik.ingress.kubernetes.io/router.tls: "true"
 ```
-    
+
 For more options, please refer to the available [annotations](#on-ingress).
 
 ??? example "Configuring Kubernetes Ingress Controller with TLS"
-    
+
     ```yaml tab="RBAC"
     ---
     kind: ClusterRole
@@ -635,7 +635,7 @@ For more options, please refer to the available [annotations](#on-ingress).
           - ingresses/status
         verbs:
           - update
-    
+
     ---
     kind: ClusterRoleBinding
     apiVersion: rbac.authorization.k8s.io/v1beta1
@@ -650,7 +650,7 @@ For more options, please refer to the available [annotations](#on-ingress).
         name: traefik-ingress-controller
         namespace: default
     ```
-    
+
     ```yaml tab="Ingress"
     kind: Ingress
     apiVersion: networking.k8s.io/v1beta1
@@ -659,7 +659,7 @@ For more options, please refer to the available [annotations](#on-ingress).
       annotations:
         traefik.ingress.kubernetes.io/router.entrypoints: websecure
         traefik.ingress.kubernetes.io/router.tls: true
-    
+
     spec:
       rules:
         - host: example.com
@@ -708,7 +708,7 @@ For more options, please refer to the available [annotations](#on-ingress).
     kind: ServiceAccount
     metadata:
       name: traefik-ingress-controller
-    
+
     ---
     kind: Deployment
     apiVersion: apps/v1
@@ -716,7 +716,7 @@ For more options, please refer to the available [annotations](#on-ingress).
       name: traefik
       labels:
         app: traefik
-    
+
     spec:
       replicas: 1
       selector:
@@ -737,7 +737,7 @@ For more options, please refer to the available [annotations](#on-ingress).
               ports:
                 - name: websecure
                   containerPort: 443
-    
+
     ---
     apiVersion: v1
     kind: Service
@@ -753,7 +753,7 @@ For more options, please refer to the available [annotations](#on-ingress).
           name: websecure
           targetPort: 443
     ```
-    
+
     ```yaml tab="Whoami"
     kind: Deployment
     apiVersion: apps/v1
@@ -762,7 +762,7 @@ For more options, please refer to the available [annotations](#on-ingress).
       labels:
         app: traefiklabs
         name: whoami
-    
+
     spec:
       replicas: 2
       selector:
@@ -780,13 +780,13 @@ For more options, please refer to the available [annotations](#on-ingress).
               image: traefik/whoami
               ports:
                 - containerPort: 80
-    
+
     ---
     apiVersion: v1
     kind: Service
     metadata:
       name: whoami
-    
+
     spec:
       ports:
         - name: http
@@ -799,14 +799,14 @@ For more options, please refer to the available [annotations](#on-ingress).
 ### Certificates Management
 
 ??? example "Using a secret"
-    
+
     ```yaml tab="Ingress"
     kind: Ingress
     apiVersion: networking.k8s.io/v1beta1
     metadata:
       name: foo
       namespace: production
-    
+
     spec:
       rules:
       - host: example.net
@@ -853,7 +853,7 @@ For more options, please refer to the available [annotations](#on-ingress).
     kind: Secret
     metadata:
       name: supersecret
-    
+
     data:
       tls.crt: LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0tLS0tCi0tLS0tRU5EIENFUlRJRklDQVRFLS0tLS0=
       tls.key: LS0tLS1CRUdJTiBQUklWQVRFIEtFWS0tLS0tCi0tLS0tRU5EIFBSSVZBVEUgS0VZLS0tLS0=
@@ -862,7 +862,7 @@ For more options, please refer to the available [annotations](#on-ingress).
 TLS certificates can be managed in Secrets objects.
 
 !!! info
-    
+
     Only TLS certificates provided by users can be stored in Kubernetes Secrets.
     [Let's Encrypt](../../https/acme.md) certificates cannot be managed in Kubernetes Secrets yet.
 
@@ -882,7 +882,7 @@ If either of those configuration options exist, then the backend communication p
 and will connect via TLS automatically.
 
 !!! info
-    
+
     Please note that by enabling TLS communication between traefik and your pods,
     you will have to have trusted certificates that have the proper trust chain and IP subject name.
     If this is not an option, you may need to skip TLS certificate verification.
@@ -922,8 +922,8 @@ This ingress follows the Global Default Backend property of ingresses.
 This will allow users to create a "default router" that will match all unmatched requests.
 
 !!! info
-    
+
     Due to Traefik's use of priorities, you may have to set this ingress priority lower than other ingresses in your environment,
     to avoid this global ingress from satisfying requests that could match other ingresses.
-    
+
     To do this, use the `traefik.ingress.kubernetes.io/router.priority` annotation (as seen in [Annotations on Ingress](#on-ingress)) on your ingresses accordingly.

docs/content/user-guides/grpc.md

@@ -8,17 +8,6 @@ This section explains how to use Traefik as reverse proxy for gRPC application.
 
 Static configuration:
 
-```toml tab="File (TOML)"
-[entryPoints]
-  [entryPoints.web]
-    address = ":80"
-
-[api]
-    
-[providers.file]
-  directory = "/path/to/dynamic/config"
-```
-
 ```yaml tab="File (YAML)"
 entryPoints:
   web:
@@ -31,30 +20,24 @@ providers:
 api: {}
 ```
 
+```toml tab="File (TOML)"
+[entryPoints]
+  [entryPoints.web]
+    address = ":80"
+
+[api]
+
+[providers.file]
+  directory = "/path/to/dynamic/config"
+```
+
 ```yaml tab="CLI"
 --entryPoints.web.address=:80
 --providers.file.directory=/path/to/dynamic/config
 --api.insecure=true
 ```
 
-`/path/to/dynamic/config/dynamic_conf.{toml,yml}`:
+`/path/to/dynamic/config/dynamic_conf.{yml,toml}`:
-
-```toml tab="TOML"
-## dynamic configuration ##
-
-[http]
-
-  [http.routers]
-    [http.routers.routerTest]
-      service = "srv-grpc"
-      rule = "Host(`frontend.local`)"
-    
-  [http.services]
-    [http.services.srv-grpc]
-      [http.services.srv-grpc.loadBalancer]
-        [[http.services.srv-grpc.loadBalancer.servers]]
-          url = "h2c://backend.local:8080"
-```
 
 ```yaml tab="YAML"
 ## dynamic configuration ##
@@ -72,6 +55,23 @@ http:
         - url: h2c://backend.local:8080
 ```
 
+```toml tab="TOML"
+## dynamic configuration ##
+
+[http]
+
+  [http.routers]
+    [http.routers.routerTest]
+      service = "srv-grpc"
+      rule = "Host(`frontend.local`)"
+
+  [http.services]
+    [http.services.srv-grpc]
+      [http.services.srv-grpc.loadBalancer]
+        [[http.services.srv-grpc.loadBalancer.servers]]
+          url = "h2c://backend.local:8080"
+```
+
 !!! warning
     For providers with labels, you will have to specify the `traefik.http.services.<my-service-name>.loadbalancer.server.scheme=h2c`
 
@@ -119,22 +119,6 @@ At last, we configure our Traefik instance to use both self-signed certificates.
 
 Static configuration:
 
-```toml tab="File (TOML)"
-[entryPoints]
-  [entryPoints.websecure]
-    address = ":4443"
-
-
-[serversTransport]
-  # For secure connection on backend.local
-  rootCAs = [ "./backend.cert" ]
-
-[api]
-
-[provider.file]
-  directory = "/path/to/dynamic/config"
-```
-
 ```yaml tab="File (YAML)"
 entryPoints:
   websecure:
@@ -152,6 +136,22 @@ providers:
 api: {}
 ```
 
+```toml tab="File (TOML)"
+[entryPoints]
+  [entryPoints.websecure]
+    address = ":4443"
+
+
+[serversTransport]
+  # For secure connection on backend.local
+  rootCAs = [ "./backend.cert" ]
+
+[api]
+
+[provider.file]
+  directory = "/path/to/dynamic/config"
+```
+
 ```yaml tab="CLI"
 --entryPoints.websecure.address=:4443
 # For secure connection on backend.local
@@ -160,32 +160,7 @@ api: {}
 --api.insecure=true
 ```
 
-`/path/to/dynamic/config/dynamic_conf.{toml,yml}`:
+`/path/to/dynamic/config/dynamic_conf.{yml,toml}`:
-
-```toml tab="TOML"
-## dynamic configuration ##
-
-[http]
-
-  [http.routers]
-    [http.routers.routerTest]
-      service = "srv-grpc"
-      rule = "Host(`frontend.local`)"
-    
-  [http.services]
-    [http.services.srv-grpc]
-      [http.services.srv-grpc.loadBalancer]
-        [[http.services.srv-grpc.loadBalancer.servers]]
-          # Access on backend with HTTPS
-          url = "https://backend.local:8080"
-
-[tls]
-
-  # For secure connection on frontend.local
-  [[tls.certificates]]
-    certFile = "./frontend.cert"
-    keyFile = "./frontend.key"
-```
 
 ```yaml tab="YAML"
 ## dynamic configuration ##
@@ -208,6 +183,31 @@ tls:
     keyfile: ./frontend.key
 ```
 
+```toml tab="TOML"
+## dynamic configuration ##
+
+[http]
+
+  [http.routers]
+    [http.routers.routerTest]
+      service = "srv-grpc"
+      rule = "Host(`frontend.local`)"
+
+  [http.services]
+    [http.services.srv-grpc]
+      [http.services.srv-grpc.loadBalancer]
+        [[http.services.srv-grpc.loadBalancer.servers]]
+          # Access on backend with HTTPS
+          url = "https://backend.local:8080"
+
+[tls]
+
+  # For secure connection on frontend.local
+  [[tls.certificates]]
+    certFile = "./frontend.cert"
+    keyFile = "./frontend.key"
+```
+
 !!! warning
     With some services, the server URLs use the IP, so you may need to configure `insecureSkipVerify` instead of the `rootCAs` to activate HTTPS without hostname verification.
 

docs/mkdocs.yml

@@ -68,6 +68,7 @@ nav:
       - 'Quick Start': 'getting-started/quick-start.md'
       - 'Configuration Introduction': 'getting-started/configuration-overview.md'
       - 'Install Traefik': 'getting-started/install-traefik.md'
+      - 'Frequently Asked Questions': 'getting-started/faq.md'
   - 'Configuration Discovery':
       - 'Overview': 'providers/overview.md'
       - 'Docker': 'providers/docker.md'

go.mod

@@ -6,7 +6,7 @@ go 1.16
 require (
 	github.com/BurntSushi/toml v0.3.1
 	github.com/ExpediaDotCom/haystack-client-go v0.0.0-20190315171017-e7edbdf53a61
-	github.com/Masterminds/sprig/v3 v3.2.0
+	github.com/Masterminds/sprig/v3 v3.2.2
 	github.com/Microsoft/hcsshim v0.8.7 // indirect
 	github.com/Shopify/sarama v1.23.1 // indirect
 	github.com/abbot/go-http-auth v0.0.0-00010101000000-000000000000
@@ -30,7 +30,7 @@ require (
 	github.com/elazarl/go-bindata-assetfs v1.0.0
 	github.com/fatih/structs v1.1.0
 	github.com/gambol99/go-marathon v0.0.0-20180614232016-99a156b96fb2
-	github.com/go-acme/lego/v4 v4.3.1
+	github.com/go-acme/lego/v4 v4.4.0
 	github.com/go-check/check v0.0.0-00010101000000-000000000000
 	github.com/go-kit/kit v0.10.1-0.20200915143503-439c4d2ed3ea
 	github.com/golang/protobuf v1.4.3
@@ -70,7 +70,7 @@ require (
 	github.com/stvp/go-udp-testing v0.0.0-20191102171040-06b61409b154
 	github.com/tinylib/msgp v1.0.2 // indirect
 	github.com/traefik/gziphandler v1.1.2-0.20210212101304-175e0fad6888
-	github.com/traefik/paerser v0.1.2
+	github.com/traefik/paerser v0.1.4
 	github.com/traefik/yaegi v0.9.17
 	github.com/uber/jaeger-client-go v2.29.1+incompatible
 	github.com/uber/jaeger-lib v2.2.0+incompatible
@@ -81,9 +81,9 @@ require (
 	github.com/vulcand/predicate v1.1.0
 	go.elastic.co/apm v1.11.0
 	go.elastic.co/apm/module/apmot v1.11.0
-	golang.org/x/mod v0.3.0
+	golang.org/x/mod v0.4.2
 	golang.org/x/net v0.0.0-20210220033124-5f55cee0dc0d
-	golang.org/x/time v0.0.0-20201208040808-7e3f01d25324
+	golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba
 	golang.org/x/tools v0.0.0-20200904185747-39188db58858
 	google.golang.org/grpc v1.27.1
 	gopkg.in/DataDog/dd-trace-go.v1 v1.19.0

go.sum

@@ -79,14 +79,12 @@ github.com/DataDog/zstd v1.3.6-0.20190409195224-796139022798/go.mod h1:1jcaCB/uf
 github.com/ExpediaDotCom/haystack-client-go v0.0.0-20190315171017-e7edbdf53a61 h1:1NIUJ+MAMpqDr4LWIfNsoJR+G7zg/8GZVwuRkmJxtTc=
 github.com/ExpediaDotCom/haystack-client-go v0.0.0-20190315171017-e7edbdf53a61/go.mod h1:62qWSDaEI0BLykU+zQza5CAKgW0lOy9oBSz3/DvYz4w=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
-github.com/Masterminds/goutils v1.1.0 h1:zukEsf/1JZwCMgHiK3GZftabmxiCw4apj3a28RPBiVg=
+github.com/Masterminds/goutils v1.1.1 h1:5nUrii3FMTL5diU80unEVvNevw1nH4+ZV4DSLVJLSYI=
-github.com/Masterminds/goutils v1.1.0/go.mod h1:8cTjp+g8YejhMuvIA5y2vz3BpJxksy863GQaJW2MFNU=
+github.com/Masterminds/goutils v1.1.1/go.mod h1:8cTjp+g8YejhMuvIA5y2vz3BpJxksy863GQaJW2MFNU=
-github.com/Masterminds/semver/v3 v3.1.0/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
 github.com/Masterminds/semver/v3 v3.1.1 h1:hLg3sBzpNErnxhQtUy/mmLR2I9foDujNK030IGemrRc=
 github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
-github.com/Masterminds/sprig/v3 v3.1.0/go.mod h1:ONGMf7UfYGAbMXCZmQLy8x3lCDIPrEZE/rU8pmrbihA=
+github.com/Masterminds/sprig/v3 v3.2.2 h1:17jRggJu518dr3QaafizSXOjKYp94wKfABxUmyxvxX8=
-github.com/Masterminds/sprig/v3 v3.2.0 h1:P1ekkbuU73Ui/wS0nK1HOM37hh4xdfZo485UPf8rc+Y=
+github.com/Masterminds/sprig/v3 v3.2.2/go.mod h1:UoaO7Yp8KlPnJIYWTFkMaqPUYKTfGFPhxNuwnnxkKlk=
-github.com/Masterminds/sprig/v3 v3.2.0/go.mod h1:tWhwTbUTndesPNeF0C900vKoq283u6zp4APT9vaF3SI=
 github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5 h1:ygIc8M6trr62pF5DucadTWGdEB4mEyvzi0e2nbcmcyA=
 github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
 github.com/Microsoft/hcsshim v0.8.7 h1:ptnOoufxGSzauVTsdE+wMYnCWA301PdoN4xg5oRdZpg=
@@ -244,6 +242,7 @@ github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZm
 github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
 github.com/dimchansky/utfbom v1.1.0 h1:FcM3g+nofKgUteL8dm/UpdRXNC9KmADgTpLKsu0TRo4=
 github.com/dimchansky/utfbom v1.1.0/go.mod h1:rO41eb7gLfo8SF1jd9F8HplJm1Fewwi4mQvIirEdv+8=
+github.com/dnaeon/go-vcr v1.0.1/go.mod h1:aBB1+wY4s93YsC3HHjMBMrwTj2R9FHDzUr9KyGc8n1E=
 github.com/dnsimple/dnsimple-go v0.63.0 h1:0doY8VW/ckRIMTmOw4E1vwqo+bhtjDzvh1pU2ZteFGA=
 github.com/dnsimple/dnsimple-go v0.63.0/go.mod h1:O5TJ0/U6r7AfT8niYNlmohpLbCSG+c71tQlGr9SeGrg=
 github.com/docker/cli v0.0.0-20200221155518-740919cc7fc0 h1:hlGHcYGaaHs/yffSubcUKlp8TyV1v7qhcZZ5nGNQ2Fw=
@@ -327,8 +326,8 @@ github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeME
 github.com/gliderlabs/ssh v0.1.1/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0=
 github.com/globalsign/mgo v0.0.0-20180905125535-1ca0a4f7cbcb/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
 github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
-github.com/go-acme/lego/v4 v4.3.1 h1:rzmg0Gpy25B/exXjl+KgpG5Xt6wN5rFTLjRf/Uf3pfg=
+github.com/go-acme/lego/v4 v4.4.0 h1:uHhU5LpOYQOdp3aDU+XY2bajseu8fuExphTL1Ss6/Fc=
-github.com/go-acme/lego/v4 v4.3.1/go.mod h1:tySA24ifl6bI7kZ0+ocGtTIv4H1yhYVFAgyMHF2DSRg=
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@@ -585,6 +585,8 @@ github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NH
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@@ -908,6 +912,8 @@ github.com/samuel/go-zookeeper v0.0.0-20190923202752-2cc03de413da h1:p3Vo3i64TCL
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+golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20170114055629-f2499483f923/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -1310,8 +1324,9 @@ golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxb
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/time v0.0.0-20201208040808-7e3f01d25324 h1:Hir2P/De0WpUhtrKGGjvSb2YxUgyZ7EFOSLIcSSpiwE=
 golang.org/x/time v0.0.0-20201208040808-7e3f01d25324/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba h1:O8mE0/t419eoIwhTFpKVkHiTs/Igowgfkj25AcZrtiE=
+golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

pkg/anonymize/testdata/anonymized-dynamic-config.json

@@ -190,7 +190,7 @@
         },
         "rateLimit": {
           "average": 42,
-          "period": 42,
+          "period": "42ns",
           "burst": 42,
           "sourceCriterion": {
             "ipStrategy": {
@@ -306,7 +306,7 @@
         },
         "retry": {
           "attempts": 42,
-          "initialInterval": 42
+          "initialInterval": "42ns"
         },
         "contentType": {
           "autoDetect": true
@@ -352,9 +352,9 @@
         ],
         "maxIdleConnsPerHost": 42,
         "forwardingTimeouts": {
-          "dialTimeout": 42,
+          "dialTimeout": "42ns",
-          "responseHeaderTimeout": 42,
+          "responseHeaderTimeout": "42ns",
-          "idleConnTimeout": 42
+          "idleConnTimeout": "42ns"
         }
       }
     }
@@ -473,4 +473,4 @@
       }
     }
   }
-}
+}