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Traefik Docker Lables: Common Practice (feddit.de)

submitted 8 months ago by [email protected] to c/[email protected]

19 comments fedilink hide all child comments

Hej everyone. My traefik setup has been up and running for a few months now. I love it, a bit scary to switch at first, but I encourage you to look at, if you haven't. Middelwares are amazing: I mostly use it for CrowdSec and authentication. Theres two things I could use some feedback, though.

I mostly use docker labels to setup routers in traefik. Some people only define on router (HTTP) and some both (+ HTTPS) and I did the latter.

- labels
      - traefik.enable=true
      - traefik.http.routers.jellyfin.entrypoints=web
      - traefik.http.routers.jellyfin.rule=Host(`jellyfin.local.domain.de`)
      - traefik.http.middlewares.jellyfin-https-redirect.redirectscheme.scheme=https
      - traefik.http.routers.jellyfin.middlewares=jellyfin-https-redirect
      - traefik.http.routers.jellyfin-secure.entrypoints=websecure
      - traefik.http.routers.jellyfin-secure.rule=Host(`jellyfin.local.domain.de`)
      - traefik.http.routers.jellyfin-secure.middlewares=local-whitelist@file,default-headers@file
      - traefik.http.routers.jellyfin-secure.tls=true
      - traefik.http.routers.jellyfin-secure.service=jellyfin
      - traefik.http.services.jellyfin.loadbalancer.server.port=8096
      - traefik.docker.network=media

So, I don't want to serve HTTP at all, all will be redirected to HTTPS anyway. What I don't know is, if I can skip the HTTP part. Must I define the web entrypoint in order for redirect to work? Or can I define it in the traefik.yml as I did below?

entryPoints:
  ping:
    address: ':88'
  web:
    address: ":80"
    http:
      redirections:
        entryPoint:
          to: websecure
          scheme: https
  websecure:
    address: ":443"

I use homepage (from benphelps) as my dashboard and noticed, that when I refresh the page, all those widgets take a long time to load. They did not do that, when I connecte homepage to those services directly using IP:PORT. Now I use URLs provided by traefik, and it's slow. It's not really a problem, but I wonder, if I made a mistake somewhere. I'm still a beginner when it comes to this, so any pointers in the right direction are apprecciated. Thank you =)

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[–] [email protected] 2 points 8 months ago (2 children)

I think the redirect must go into the dynamic configuration, not the static one. But yes, you can setup a generic redirect. I did it like this:

http:

  routers:

    redirect-https:
      rule: HostRegexp(`{catchall:.*}`) 
      entrypoints: web
      middlewares: redirect-https
      service: dummy

  services:

    dummy:
      loadbalancer:
        servers:
          - url: "about:blank"

This is in a file 010-redirect-https.yml in my Traefik's dynamic configuration directory. And it works for all http URLs.

[–] [email protected] 1 points 8 months ago (1 children)

I didn't even know that you could have a whole dynamic config directory, I just use one file. I'm guessing I can just as well put it there? And the dummy service simply acts as a place holder?

[–] [email protected] 1 points 8 months ago

Exactly! It didn't work without providing any service item, so I had to specify something.

I use the dynamic configuration to add some static routes to other devices and non-Docker services in my local network.