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Add example for changing the port used by traefik to connect to a service

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Robert Baker 2019-10-28 07:50:06 -07:00 committed by Traefiker Bot
parent 8f000423ed
commit f790b9aa54
3 changed files with 139 additions and 115 deletions
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21
docs/content/routing/providers/docker.md
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@ -37,6 +37,27 @@ Attach labels to your containers and let Traefik do the rest!
- traefik.http.routers.my-container.rule=Host(`mydomain.com`)
```
??? example "Specify a Custom Port for the Container"
Forward requests for `http://mydomain.com` to `http://<private IP of container>:12345`:
```yaml
version: "3"
services:
my-container:
# ...
labels:
- traefik.http.routers.my-container.rule=Host(`mydomain.com`)
# Tell Traefik to use the port 12345 to connect to `my-container`
- traefik.http.services.my-service.loadbalancer.server.port=12345
```
!!! important "Traefik Connecting to the Wrong Port: `HTTP/502 Gateway Error`"
By default, Traefik uses the first exposed port of a container.
Setting the label `raefik.http.services.xxx.loadbalancer.server.port`
overrides that behavior.
??? example "Configuring Docker Swarm & Deploying / Exposing Services"
Enabling the docker provider (Swarm Mode)

3
docs/content/routing/services/.markdownlint.json
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@ -1,4 +1,5 @@
{
"extends": "../../../.markdownlint.json",
"MD024": false
"MD024": false,
"MD046": false
}

20
docs/content/routing/services/index.md
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@ -7,7 +7,7 @@ Configuring How to Reach the Services
The `Services` are responsible for configuring how to reach the actual services that will eventually handle the incoming requests.
## Configuration Example
## Configuration Examples
??? example "Declaring an HTTP Service with Two Servers -- Using the [File Provider](../../providers/file.md)"
@ -17,9 +17,9 @@ The `Services` are responsible for configuring how to reach the actual services
[http.services.my-service.loadBalancer]
[[http.services.my-service.loadBalancer.servers]]
url = "http://private-ip-server-1/"
url = "http://<private-ip-server-1>:<private-port-server-1>/"
[[http.services.my-service.loadBalancer.servers]]
url = "http://private-ip-server-2/"
url = "http://<private-ip-server-2>:<private-port-server-2>/"
```
```yaml tab="YAML"
@ -29,8 +29,8 @@ The `Services` are responsible for configuring how to reach the actual services
my-service:
loadBalancer:
servers:
- url: "http://private-ip-server-1/"
- url: "http://private-ip-server-2/"
- url: "http://<private-ip-server-1>:<private-port-server-1>/"
- url: "http://<private-ip-server-2>:<private-port-server-2>/"
```
??? example "Declaring a TCP Service with Two Servers -- Using the [File Provider](../../providers/file.md)"
@ -40,9 +40,9 @@ The `Services` are responsible for configuring how to reach the actual services
[tcp.services]
[tcp.services.my-service.loadBalancer]
[[tcp.services.my-service.loadBalancer.servers]]
address = "xx.xx.xx.xx:xx"
address = "<private-ip-server-1>:<private-port-server-1>"
[[tcp.services.my-service.loadBalancer.servers]]
address = "xx.xx.xx.xx:xx"
address = "<private-ip-server-2>:<private-port-server-2>"
```
```yaml tab="YAML"
@ -51,8 +51,8 @@ The `Services` are responsible for configuring how to reach the actual services
my-service:
loadBalancer:
servers:
- address: "xx.xx.xx.xx:xx"
- address: "xx.xx.xx.xx:xx"
- address: "<private-ip-server-1>:<private-port-server-1>"
- address: "<private-ip-server-2>:<private-port-server-2>"
```
## Configuring HTTP Services
@ -61,6 +61,8 @@ The `Services` are responsible for configuring how to reach the actual services
The load balancers are able to load balance the requests between multiple instances of your programs.
Each service has a load-balancer, even if there is only one server to forward traffic to.
??? example "Declaring a Service with Two Servers (with Load Balancing) -- Using the [File Provider](../../providers/file.md)"
```toml tab="TOML"