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Multiple compose file, each in their own directory for a stack of services. Running Lemmy? It goes to
~/compose_home/lemmy, with binds for image resized and database as folders inside that directory. Running website? It goes to~/compose_home/example.com, with its static files, api, and database binds all as folders inside that. Etc etc. Use gateway reverse proxy (I prefer Traefik but each to their own) and have each stack join the network to expose only what you’d need.Back up is easy, snapshot the volume bind (stop any service individually as needed); moving server for specific stack is easy, just move the directory over to a new system (update gateway info if required); upgrading is easy, just upgrade individual stack and off to the races.
Pulling all stacks into a single compose for the system as a whole is nuts. You lose all the flexibility and gain… nothing?
This. And I recently found out you can also use
includesin compose v2.20+, so if your stack complexity demands it, you can have a small top-level docker-compose.yml with includes to smaller compose files, per service or any other criteria you want.https://docs.docker.com/compose/multiple-compose-files/include/
I prefer compose merge because my "downstream" services can propagate their depends/networks to things that depend on them up the stream
There's an env variables you set in .env so it's similar to include
The one thing I prefer about include is that each include directory can have its own .env file, which merges with the first level .env. With merge it seems you're stuck with one .env file for all in-file substitutes
That's what I do. I always thought I was doing it "wrong" but it just made sense to me. I can also just up/down/etc... compose files to individually pull new images, test things, disable a service, and apply config updates without affecting another container at all.
I even keep my docker config files in a seperate directory so I can backup the docker composes in a second over the network.
I started by using a single mariaDB instance with multiple databases, but now I see the same benefits from moving to one database container per compose file that needs it to make it even more flexible so I don't need to start up mariadb and redis before all of my containers.
File permission problems? Down the compose that needs it, fix it, re-up it without losing any uptime for other services and never having to use docker commands kludged together.