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Traefik tutorials? (programming.dev)

submitted 2 years ago by Still@programming.dev to c/selfhosted@lemmy.world

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I'm migrating my server to a new server and wanna try something new. I've been using nginx to reverse proxy my stuff and I recently heard about traefik being able to read labels off docker containers. I've been googling around but I can't for the life of me figure out how to get the access to the dashboard without having insecure mode on.

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[–] NewDataEngineer@lemmy.world 1 points 2 years ago (1 children)

by redeploying the stack

That's the point. With dynamic files you can add new Middleware or even route already exposed ports all on the fly. You're telling me you can change a docker label and keep your service running with 0 downtime?

If you've figured that out please share a link because my experience has been otherwise.

[–] Kangie@lemmy.srcfiles.zip 1 points 2 years ago* (last edited 2 years ago)

Close enough to 0 downtime that it doesn't matter.

Deploy updated stack file to existing stack
existing services are updated
Traefik polls the docker socket and notices updated labels
???
Profit!

Seriously, you shouldn't need to put anything (outside of rules that you want to re-use [e.g. http->https middleware]) in the traefik dynamic configuration because each container/service in a docker stack will bring with it its own configuration. Your only 'dead time' is how long it takes Traefik to pick up the new dynamic configuration via either the docker or swarm providers, which is configurable but I've never had to touch because, even on production systems, it's been fine.