show example for multi-compose file setup

[BretFisher]

Some have asked "what if I have multiple compose projects/files up at once, how would a single Traefik proxy serve those?

It's not much different, and just needs docs on adding the same Docker network to each compose yaml.

[FinalDes]

I personally use traefik as single stack, and each project on single stack, using traefik as external network