Update documentation on onHostRule, ping examples, and web deprecation
This commit is contained in:
SALLEYRON Julien
Traefiker Bot
parent
4f3b06472b
commit
d54777236c
6 changed files with 144 additions and 86 deletions
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@ -113,7 +113,7 @@ entryPoint = "https"
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# Required
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#
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entryPoint = "http"
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# Use a DNS-01 acme challenge rather than TLS-SNI-01 challenge
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#
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# Optional
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@ -135,6 +135,7 @@ entryPoint = "https"
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#
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# delayBeforeCheck = 0
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```
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!!! note
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Even if `TLS-SNI-01` challenge is [disabled](https://community.letsencrypt.org/t/2018-01-11-update-regarding-acme-tls-sni-and-shared-hosting-infrastructure/50188) for the moment, it stays the _by default_ ACME Challenge in Træfik.
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If `TLS-SNI-01` challenge is not re-enabled in the future, it we will be removed from Træfik.
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@ -149,12 +150,13 @@ entryPoint = "https"
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Let's Encrypt functionality will be limited until Træfik is restarted.
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If Let's Encrypt is not reachable, these certificates will be used :
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- ACME certificates already generated before downtime
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- Expired ACME certificates
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- Provided certificates
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!!! note
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Default Træfik certificate will be used instead of ACME certificates for new (sub)domains (which need Let's Encrypt challenge).
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Default Træfik certificate will be used instead of ACME certificates for new (sub)domains (which need Let's Encrypt challenge).
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### `storage`
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@ -168,6 +170,7 @@ storage = "acme.json"
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The `storage` option sets where are stored your ACME certificates.
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There are two kind of `storage` :
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- a JSON file,
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- a KV store entry.
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@ -182,7 +185,7 @@ There are two kind of `storage` :
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#### Store data in a file
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ACME certificates can be stored in a JSON file which with the `600` right mode.
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ACME certificates can be stored in a JSON file which with the `600` right mode.
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There are two ways to store ACME certificates in a file from Docker:
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@ -240,6 +243,8 @@ entryPoint = "https"
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Specify the entryPoint to use during the challenges.
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```toml
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defaultEntryPoints = ["http", "http"]
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[entryPoints]
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[entryPoints.http]
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address = ":80"
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@ -272,7 +277,7 @@ Use `DNS-01` challenge to generate/renew ACME certificates.
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# ...
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```
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#### `provider`
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#### `provider`
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Select the provider that matches the DNS domain that will host the challenge TXT record, and provide environment variables to enable setting it:
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@ -326,11 +331,11 @@ onDemand = true
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Enable on demand certificate.
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This will request a certificate from Let's Encrypt during the first TLS handshake for a hostname that does not yet have a certificate.
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This will request a certificate from Let's Encrypt during the first TLS handshake for a host name that does not yet have a certificate.
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!!! warning
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TLS handshakes will be slow when requesting a hostname certificate for the first time, this can lead to DoS attacks.
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TLS handshakes will be slow when requesting a host name certificate for the first time, this can lead to DoS attacks.
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!!! warning
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Take note that Let's Encrypt have [rate limiting](https://letsencrypt.org/docs/rate-limits).
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@ -343,7 +348,7 @@ onHostRule = true
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# ...
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```
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Enable certificate generation on frontends Host rules.
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Enable certificate generation on frontends `Host` rules (for frontends wired on the `acme.entryPoint`).
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This will request a certificate from Let's Encrypt for each frontend with a Host rule.
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@ -1,5 +1,7 @@
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# API Definition
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## Configuration
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```toml
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# API definition
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[api]
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@ -28,6 +30,8 @@
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debug = true
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```
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For more customization, see [entry points](/configuration/entrypoints/) documentation and [examples](/user-guide/examples/#ping-health-check).
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## Web UI
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@ -42,7 +46,7 @@
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| `/health` | `GET` | json health metrics |
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| `/api` | `GET` | Configuration for all providers |
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| `/api/providers` | `GET` | Providers |
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| `/api/providers/{provider}` | `GET`, `PUT` | Get or update provider |
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| `/api/providers/{provider}` | `GET`, `PUT` | Get or update provider (1) |
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| `/api/providers/{provider}/backends` | `GET` | List backends |
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| `/api/providers/{provider}/backends/{backend}` | `GET` | Get backend |
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| `/api/providers/{provider}/backends/{backend}/servers` | `GET` | List servers in backend |
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@ -52,6 +56,8 @@
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| `/api/providers/{provider}/frontends/{frontend}/routes` | `GET` | List routes in a frontend |
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| `/api/providers/{provider}/frontends/{frontend}/routes/{route}` | `GET` | Get a route in a frontend |
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<1> See [Rest](/configuration/backends/rest/#api) for more information.
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!!! warning
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For compatibility reason, when you activate the rest provider, you can use `web` or `rest` as `provider` value.
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But be careful, in the configuration for all providers the key is still `web`.
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@ -185,6 +191,7 @@ curl -s "http://localhost:8080/health" | jq .
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## Metrics
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You can enable Traefik to export internal metrics to different monitoring systems.
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```toml
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[api]
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# ...
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@ -36,7 +36,6 @@ address = ":8080"
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#
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readOnly = true
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# Set the root path for webui and API
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#
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# Deprecated
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@ -55,13 +54,13 @@ readOnly = true
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### Authentication
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!!! note
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The `/ping` path of the api is excluded from authentication (since 1.4).
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The `/ping` path of the API is excluded from authentication (since 1.4).
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#### Basic Authentication
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Passwords can be encoded in MD5, SHA1 and BCrypt: you can use `htpasswd` to generate those ones.
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Users can be specified directly in the toml file, or indirectly by referencing an external file;
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Users can be specified directly in the TOML file, or indirectly by referencing an external file;
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if both are provided, the two are merged, with external file contents having precedence.
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```toml
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@ -80,7 +79,7 @@ usersFile = "/path/to/.htpasswd"
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You can use `htdigest` to generate those ones.
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Users can be specified directly in the toml file, or indirectly by referencing an external file;
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Users can be specified directly in the TOML file, or indirectly by referencing an external file;
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if both are provided, the two are merged, with external file contents having precedence
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```toml
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@ -98,7 +97,7 @@ usersFile = "/path/to/.htdigest"
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## Metrics
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You can enable Traefik to export internal metrics to different monitoring systems.
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You can enable Træfik to export internal metrics to different monitoring systems.
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### Prometheus
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@ -114,7 +113,7 @@ You can enable Traefik to export internal metrics to different monitoring system
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# Optional
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# Default: [0.1, 0.3, 1.2, 5]
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buckets=[0.1,0.3,1.2,5.0]
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# ...
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```
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@ -221,7 +220,7 @@ recentErrors = 10
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|-----------------------------------------------------------------|:-------------:|----------------------------------------------------------------------------------------------------|
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| `/` | `GET` | Provides a simple HTML frontend of Træfik |
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| `/ping` | `GET`, `HEAD` | A simple endpoint to check for Træfik process liveness. Return a code `200` with the content: `OK` |
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| `/health` | `GET` | json health metrics |
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| `/health` | `GET` | JSON health metrics |
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| `/api` | `GET` | Configuration for all providers |
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| `/api/providers` | `GET` | Providers |
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| `/api/providers/{provider}` | `GET`, `PUT` | Get or update provider |
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@ -244,7 +243,7 @@ curl -sv "http://localhost:8080/ping"
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```
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```shell
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* Trying ::1...
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* Connected to localhost (::1) port 8080 (#0)
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* Connected to localhost (::1) port 8080 (\#0)
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> GET /ping HTTP/1.1
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> Host: localhost:8080
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> User-Agent: curl/7.43.0
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@ -255,7 +254,7 @@ curl -sv "http://localhost:8080/ping"
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< Content-Length: 2
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< Content-Type: text/plain; charset=utf-8
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<
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* Connection #0 to host localhost left intact
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* Connection \#0 to host localhost left intact
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OK
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```
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@ -309,7 +308,7 @@ curl -s "http://localhost:8080/health" | jq .
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"status": "Internal Server Error",
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// request HTTP method
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"method": "GET",
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// request hostname
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// request host name
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"host": "localhost",
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// request path
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"path": "/path",
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@ -385,23 +384,28 @@ curl -s "http://localhost:8080/api" | jq .
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}
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```
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## Path
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### Deprecation compatibility
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As web is deprecated, you can handle the `Path` option like this
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#### Path
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As the web provider is deprecated, you can handle the `Path` option like this:
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```toml
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[entrypoints.http]
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address=":80"
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defaultEntryPoints = ["http"]
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[entrypoints.dashboard]
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address=":8080"
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[entryPoints]
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[entryPoints.http]
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address = ":80"
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[entrypoints.api]
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address=":8081"
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[entryPoints.dashboard]
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address = ":8080"
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#Activate API and Dashboard
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[entryPoints.api]
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address = ":8081"
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# Activate API and Dashboard
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[api]
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entrypoint="api"
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entryPoint = "api"
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[file]
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[backends]
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@ -411,8 +415,67 @@ entrypoint="api"
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[frontends]
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[frontends.frontend1]
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entrypoints=["dashboard"]
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entryPoints = ["dashboard"]
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backend = "backend1"
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[frontends.frontend1.routes.test_1]
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rule = "PathPrefixStrip:/yourprefix;PathPrefix:/yourprefix"
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```
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```
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#### Address
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As the web provider is deprecated, you can handle the `Address` option like this:
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```toml
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defaultEntryPoints = ["http"]
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[entryPoints]
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[entryPoints.http]
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address = ":80"
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[entryPoints.ping]
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address = ":8082"
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[entryPoints.api]
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address = ":8083"
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[ping]
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entryPoint = "ping"
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[api]
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entryPoint = "api"
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```
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In the above example, you would access a regular path, administration panel, and health-check as follows:
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* Regular path: `http://hostname:80/foo`
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* Admin Panel: `http://hostname:8083/`
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* Ping URL: `http://hostname:8082/ping`
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In the above example, it is _very_ important to create a named dedicated entry point, and do **not** include it in `defaultEntryPoints`.
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Otherwise, you are likely to expose _all_ services via that entry point.
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#### Authentication
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As the web provider is deprecated, you can handle the `auth` option like this:
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```toml
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defaultEntryPoints = ["http"]
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[entryPoints]
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[entryPoints.http]
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address = ":80"
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[entryPoints.api]
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address=":8080"
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[entryPoints.api.auth]
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[entryPoints.api.auth.basic]
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users = [
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"test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/",
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"test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
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]
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[api]
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entrypoint="api"
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```
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For more information, see [entry points](/configuration/entrypoints/) .
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@ -234,9 +234,9 @@ In the example below both `snitest.com` and `snitest.org` will require client ce
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### Basic Authentication
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Passwords can be encoded in MD5, SHA1 and BCrypt: you can use `htpasswd` to generate those ones.
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Passwords can be encoded in MD5, SHA1 and BCrypt: you can use `htpasswd` to generate them.
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Users can be specified directly in the toml file, or indirectly by referencing an external file;
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Users can be specified directly in the TOML file, or indirectly by referencing an external file;
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if both are provided, the two are merged, with external file contents having precedence.
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```toml
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@ -251,9 +251,9 @@ Users can be specified directly in the toml file, or indirectly by referencing a
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### Digest Authentication
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You can use `htdigest` to generate those ones.
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You can use `htdigest` to generate them.
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Users can be specified directly in the toml file, or indirectly by referencing an external file;
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Users can be specified directly in the TOML file, or indirectly by referencing an external file;
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if both are provided, the two are merged, with external file contents having precedence
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```toml
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@ -271,7 +271,7 @@ Users can be specified directly in the toml file, or indirectly by referencing a
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This configuration will first forward the request to `http://authserver.com/auth`.
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If the response code is 2XX, access is granted and the original request is performed.
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Otherwise, the response from the auth server is returned.
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Otherwise, the response from the authentication server is returned.
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```toml
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[entryPoints]
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@ -1,5 +1,7 @@
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# Ping Definition
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## Configuration
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```toml
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# Ping definition
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[ping]
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@ -19,7 +21,7 @@
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!!! warning
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Even if you have authentication configured on entry point, the `/ping` path of the api is excluded from authentication.
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### Example
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## Example
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```shell
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curl -sv "http://localhost:8080/ping"
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@ -91,7 +91,7 @@ entryPoint = "https"
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This configuration allows generating Let's Encrypt certificates (thanks to `HTTP-01` challenge) for the four domains `local[1-4].com` with described SANs.
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Traefik generates these certificates when it starts and it needs to be restart if new domains are added.
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Træfik generates these certificates when it starts and it needs to be restart if new domains are added.
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### OnHostRule option (with HTTP challenge)
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@ -126,9 +126,9 @@ entryPoint = "https"
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This configuration allows generating Let's Encrypt certificates (thanks to `HTTP-01` challenge) for the four domains `local[1-4].com`.
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Traefik generates these certificates when it starts.
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Træfik generates these certificates when it starts.
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If a backend is added with a `onHost` rule, Traefik will automatically generate the Let's Encrypt certificate for the new domain.
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If a backend is added with a `onHost` rule, Træfik will automatically generate the Let's Encrypt certificate for the new domain (for frontends wired on the `acme.entryPoint`).
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### OnDemand option (with HTTP challenge)
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@ -152,11 +152,10 @@ entryPoint = "https"
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This configuration allows generating a Let's Encrypt certificate (thanks to `HTTP-01` challenge) during the first HTTPS request on a new domain.
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!!! note
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This option simplifies the configuration but :
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* TLS handshakes will be slow when requesting a hostname certificate for the first time, this can leads to DDoS attacks.
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* TLS handshakes will be slow when requesting a host name certificate for the first time, this can leads to DDoS attacks.
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* Let's Encrypt have rate limiting: https://letsencrypt.org/docs/rate-limits
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That's why, it's better to use the `onHostRule` option if possible.
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@ -191,7 +190,7 @@ entryPoint = "https"
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```
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DNS challenge needs environment variables to be executed.
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This variables have to be set on the machine/container which host Traefik.
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These variables have to be set on the machine/container which host Træfik.
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These variables are described [in this section](/configuration/acme/#provider).
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@ -218,7 +217,7 @@ entryPoint = "https"
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entryPoint = "http"
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```
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Traefik will only try to generate a Let's encrypt certificate (thanks to `HTTP-01` challenge) if the domain cannot be checked by the provided certificates.
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Træfik will only try to generate a Let's encrypt certificate (thanks to `HTTP-01` challenge) if the domain cannot be checked by the provided certificates.
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### Cluster mode
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@ -292,14 +291,14 @@ The `consul` provider contains the configuration.
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rule = "Path:/test"
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```
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## Enable Basic authentication in an entrypoint
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## Enable Basic authentication in an entry point
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With two user/pass:
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- `test`:`test`
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- `test2`:`test2`
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Passwords are encoded in MD5: you can use htpasswd to generate those ones.
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Passwords are encoded in MD5: you can use `htpasswd` to generate them.
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```toml
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defaultEntryPoints = ["http"]
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@ -337,7 +336,7 @@ providersThrottleDuration = "5s"
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idleTimeout = "360s"
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```
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## Securing Ping Health Check
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## Ping Health Check
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The `/ping` health-check URL is enabled with the command-line `--ping` or config file option `[ping]`.
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Thus, if you have a regular path for `/foo` and an entrypoint on `:80`, you would access them as follows:
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@ -346,40 +345,36 @@ Thus, if you have a regular path for `/foo` and an entrypoint on `:80`, you woul
|
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* Admin panel: `http://hostname:8080/`
|
||||
* Ping URL: `http://hostname:8080/ping`
|
||||
|
||||
However, for security reasons, you may want to be able to expose the `/ping` health-check URL to outside health-checkers, e.g. an Internet service or cloud load-balancer, _without_ exposing your admin panel's port.
|
||||
However, for security reasons, you may want to be able to expose the `/ping` health-check URL to outside health-checkers, e.g. an Internet service or cloud load-balancer, _without_ exposing your administration panel's port.
|
||||
In many environments, the security staff may not _allow_ you to expose it.
|
||||
|
||||
You have two options:
|
||||
|
||||
* Enable `/ping` on a regular entrypoint
|
||||
* Enable `/ping` on a regular entry point
|
||||
* Enable `/ping` on a dedicated port
|
||||
|
||||
### Enable ping health check on a regular entrypoint
|
||||
### Enable ping health check on a regular entry point
|
||||
|
||||
To proxy `/ping` from a regular entrypoint to the admin one without exposing the panel, do the following:
|
||||
To proxy `/ping` from a regular entry point to the administration one without exposing the panel, do the following:
|
||||
|
||||
```toml
|
||||
[backends]
|
||||
[backends.traefik]
|
||||
[backends.traefik.servers.server1]
|
||||
url = "http://localhost:8080"
|
||||
weight = 10
|
||||
defaultEntryPoints = ["http"]
|
||||
|
||||
[entryPoints]
|
||||
[entryPoints.http]
|
||||
address = ":80"
|
||||
|
||||
[ping]
|
||||
entryPoint = "http"
|
||||
|
||||
[frontends]
|
||||
[frontends.traefikadmin]
|
||||
backend = "traefik"
|
||||
[frontends.traefikadmin.routes.ping]
|
||||
rule = "Path:/ping"
|
||||
```
|
||||
|
||||
The above creates a new backend called `traefik`, listening on `http://localhost:8080`, i.e. the local admin port.
|
||||
We only expose the admin panel via the `frontend` named `traefikadmin`, and only expose the `/ping` Path.
|
||||
Be careful with the `traefikadmin` frontend. If you do _not_ specify a `Path:` rule, you would expose the entire dashboard.
|
||||
The above link `ping` on the `http` entry point and then expose it on port `80`
|
||||
|
||||
### Enable ping health check on dedicated port
|
||||
|
||||
If you do not want to or cannot expose the health-check on a regular entrypoint - e.g. your security rules do not allow it, or you have a conflicting path - then you can enable health-check on its own entrypoint.
|
||||
Use the following config:
|
||||
If you do not want to or cannot expose the health-check on a regular entry point - e.g. your security rules do not allow it, or you have a conflicting path - then you can enable health-check on its own entry point.
|
||||
Use the following configuration:
|
||||
|
||||
```toml
|
||||
defaultEntryPoints = ["http"]
|
||||
|
|
@ -390,32 +385,18 @@ defaultEntryPoints = ["http"]
|
|||
[entryPoints.ping]
|
||||
address = ":8082"
|
||||
|
||||
[backends]
|
||||
[backends.traefik]
|
||||
[backends.traefik.servers.server1]
|
||||
url = "http://localhost:8080"
|
||||
weight = 10
|
||||
|
||||
[frontends]
|
||||
[frontends.traefikadmin]
|
||||
backend = "traefik"
|
||||
entrypoints = ["ping"]
|
||||
[frontends.traefikadmin.routes.ping]
|
||||
rule = "Path:/ping"
|
||||
[ping]
|
||||
entryPoint = "ping"
|
||||
```
|
||||
|
||||
The above is similar to the previous example, but instead of enabling `/ping` on the _default_ entrypoint, we enable it on a _dedicated_ entrypoint.
|
||||
The above is similar to the previous example, but instead of enabling `/ping` on the _default_ entry point, we enable it on a _dedicated_ entry point.
|
||||
|
||||
In the above example, you would access a regular path, admin panel and health-check as follows:
|
||||
In the above example, you would access a regular path and health-check as follows:
|
||||
|
||||
* Regular path: `http://hostname:80/foo`
|
||||
* Admin panel: `http://hostname:8080/`
|
||||
* Ping URL: `http://hostname:8082/ping`
|
||||
|
||||
Note the dedicated port `:8082` for `/ping`.
|
||||
|
||||
In the above example, it is _very_ important to create a named dedicated entrypoint, and do **not** include it in `defaultEntryPoints`.
|
||||
Otherwise, you are likely to expose _all_ services via that entrypoint.
|
||||
|
||||
In the above example, we have two entrypoints, `http` and `ping`, but we only included `http` in `defaultEntryPoints`, while explicitly tying `frontend.traefikadmin` to the `ping` entrypoint.
|
||||
This ensures that all the "normal" frontends will be exposed via entrypoint `http` and _not_ via entrypoint `ping`.
|
||||
In the above example, it is _very_ important to create a named dedicated entry point, and do **not** include it in `defaultEntryPoints`.
|
||||
Otherwise, you are likely to expose _all_ services via this entry point.
|
||||
|
|
|
|||
Loading…
Reference in a new issue