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312d31 theophile 2025-12-31 16:18:45
erreur, j'ai mis en récursif
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# Traefik
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**traefik** serves as our reverse-proxy and let's encrypt certificat issuer.
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For each docker service, we create an **external network** (usually named after the service it serves) and add it to the **traefik**'s `docker-compose.yml` file, in two locations:
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```yaml
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networks:
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# → 1st Entry of traefik-managed networks
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traefik:
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mail:
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name: mailu_mail
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external: true
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# etc...
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services:
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traefik:
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# (...)
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networks:
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# → 2nd Entry of the networks
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traefik:
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mail:
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# etc...
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```
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We then have to rebuild restart (?) **traefik**.
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## Labels
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To add traefik handling to a service, we use `expose` instead of `port` to set the port, and use labels:
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```yaml
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expose:
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- 3001
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# This our default label setup.
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labels:
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- "traefik.enable=true" # Enable reverse-proxy for this service
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- "traefik.docker.network=uptime-kuma" # The external docker network
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- "traefik.http.routers.uptime-kuma.rule=Host(`status.happyngreen.fr`)" # The domain name.
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- "traefik.http.routers.uptime-kuma.entrypoints=web"
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- "traefik.http.routers.uptime-kuma.middlewares=redirect-to-https@docker"
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- "traefik.http.routers.uptime-kuma-secure.rule=Host(`status.happyngreen.fr`)"
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- "traefik.http.routers.uptime-kuma-secure.entrypoints=web-secure"
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- "traefik.http.routers.uptime-kuma-secure.tls=true"
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- "traefik.http.routers.uptime-kuma-secure.tls.certresolver=le" # The Let's Encrypt certificat type
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- "traefik.http.routers.uptime-kuma-secure.service=uptime-kuma-secure"
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- "traefik.http.services.uptime-kuma-secure.loadbalancer.server.port=3001" # The exposed port.
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```
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> [!IMPORTANT]
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> A **traefik** router can have any name. `uptime-kuma`, `docker-uptim-kuma`, etc.
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## Remove `le-stg` certificats
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Let's Encrypt certificates are stored in `$CONFIG/cert/acme.json`. You can remove the relevant lines in the `le-stg` section, then restart traefik.