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Miss-leading Docker backend documentation

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Denis Shatilov 2018-03-22 02:22:04 -07:00 committed by Traefiker Bot
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27
docs/configuration/backends/docker.md
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@ -145,10 +145,10 @@ To enable constraints see [backend-specific constraints section](/configuration/
## Labels: overriding default behaviour
!!! note
If you use a compose file, labels should be defined in the `deploy` part of your service.
#### Using Docker with Swarm Mode
This behavior is only enabled for docker-compose version 3+ ([Compose file reference](https://docs.docker.com/compose/compose-file/#labels-1)).
If you use a compose file with the Swarm mode, labels should be defined in the `deploy` part of your service.
This behavior is only enabled for docker-compose version 3+ ([Compose file reference](https://docs.docker.com/compose/compose-file/#labels-1)).
```yaml
version: "3"
@ -159,12 +159,24 @@ services:
traefik.docker.network: traefik
```
#### Using Docker Compose
If you are intending to use only Docker Compose commands (e.g. `docker-compose up --scale whoami=2 -d`), labels should be under your service, otherwise they will be ignored.
```yaml
version: "3"
services:
whoami:
labels:
traefik.docker.network: traefik
```
### On Containers
Labels can be used on containers to override default behaviour.
| Label | Description |
|------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `traefik.backend=foo` | Give the name `foo` to the generated backend for this container. |
| `traefik.backend.maxconn.amount=10` | Set a maximum number of connections to the backend. Must be used in conjunction with the below label to take effect. |
| `traefik.backend.maxconn.extractorfunc=client.ip` | Set the function to be used against the request to determine what to limit maximum connections to the backend by. Must be used in conjunction with the above label to take effect. |
@ -184,12 +196,15 @@ Labels can be used on containers to override default behaviour.
| `traefik.frontend.entryPoints=http,https` | Assign this frontend to entry points `http` and `https`. Overrides `defaultEntryPoints` |
| `traefik.frontend.auth.basic=EXPR` | Sets basic authentication for that frontend in CSV format: `User:Hash,User:Hash` |
| `traefik.frontend.whitelistSourceRange:RANGE` | List of IP-Ranges which are allowed to access. An unset or empty list allows all Source-IPs to access. If one of the Net-Specifications are invalid, the whole list is invalid and allows all Source-IPs to access. |
| `traefik.docker.network` | Set the docker network to use for connections to this container. If a container is linked to several networks, be sure to set the proper network name (you can check with `docker inspect <container_id>`) otherwise it will randomly pick one (depending on how docker is returning them). For instance when deploying docker `stack` from compose files, the compose defined networks will be prefixed with the `stack` name. |
| `traefik.docker.network` | Set the docker network to use for connections to this container. [1] |
| `traefik.frontend.redirect.entryPoint=https` | Enables Redirect to another entryPoint for that frontend (e.g. HTTPS) |
| `traefik.frontend.redirect.regex=^http://localhost/(.*)` | Redirect to another URL for that frontend. Must be set with `traefik.frontend.redirect.replacement`. |
| `traefik.frontend.redirect.replacement=http://mydomain/$1` | Redirect to another URL for that frontend. Must be set with `traefik.frontend.redirect.regex`. |
[1] `traefik.docker.network`:
If a container is linked to several networks, be sure to set the proper network name (you can check with `docker inspect <container_id>`) otherwise it will randomly pick one (depending on how docker is returning them).
For instance when deploying docker `stack` from compose files, the compose defined networks will be prefixed with the `stack` name.
Or if your service references external network use it's name instead.
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