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Q: Docker container joining existing network with fixed ip (via docker compose) (self.selfhosted)

submitted 1 year ago by Solvena to c/selfhosted

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Hi, I figured out how to get docker containers to join an existing network with putting "networks" into the respective sections of the docker-compose.yml

If I want to also give them fixed ip's on this network, what would the syntax look like in the docker-compose.yml?

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[–] ChrislyBear 1 points 1 year ago* (last edited 1 year ago)

I see. Sure, that's a valid way to manage networking. I personally don't like to do this manually anymore, just like I don't drive stick shift anymore.

If you want to expose a service to the WWW I'd recommend using a reverse proxy. E.g. I use Traefik 2; it gets the config needed automatically from 5-6 labels per container and I don't need to bother with IPs, certificates, NAT and what have you. It just creates virtual hosts procures a LetsEncrypt certificate and directs the traffic to the target container completely on its own.
Spinning up a container and trying it out with its own subdomain with correct SSL certificates immediately never has been easier. (I have a "*" DNS entry to my Treafik server).

You also could try installing cloudflared and create a Cloudflare tunnel. This way you don't even have to forward any ports in your router.

Just some tips, if you want to explore new things :)