If you’re asking in good faith… Most of lemmy.ml is a tankie echo chamber that silences or outright bans any dissenting discussion.
Try bringing up the facts surrounding Russia, China, Cuba, or North Korea…
Only lies and good vibes for tankies are permitted.
This was a fast response, and doesn’t cover the whole scope of handling networking in docker. As mentioned elsewhere there is a different network philosophy for Standalone Containers & Overlay networking.
You declare the ip in your setup, or in the yaml file. An example for the docker-compose file is in the link below. I’d expect you’ll want to declare the network and such as well, if you’re not familiar.
https://gist.github.com/natcl/3d881d00a56c8a961e6dab8ba51a5a37
Apple iOS users outside of the EU are familiar with this too.