Docker

This is just a command reference because I don't touch docker stuff enough to remember what to do. It represents my understanding which is probably quite poor.

Most of this is as it applies to my Jellyfin and Plex setups. I intend to add more stuff that will run on Yamato as well.

From my view there are four main things: an image, config, volumes, and instances.

• Images are immutable software packs.
• Config either exists as arguments to docker run or in a docker-compose.yml
• Volumes exist on the filesystem somewhere and docker tracks that, they end up mounted where you specify in the container's filesystem.
• Instances refer to the running instance as a result of all the above.

Instances seem to get created by telling docker to run one (docker run), or writing compose files (docker-compose.yml) and telling docker-compose to run that. They survive reboots, restarts, and stops, but are otherwise ephemeral. Only the remnants they leave behind on volumes are intended to be preserved between their updates, removals, crashes, etc.

docker pull <namespace>/<image>

docker image prune

docker start <container>
docker restart <container>
docker stop <container>
docker rm <container>
docker kill <container>

docker-compose up       # build and start
docker-compose down     # stop and destroy
docker-compose build    # just build
docker-compose start
docker-compose restart
docker-compose stop
docker-compose rm
docker-compose kill

docker volume create <volume_name>

docker volume ls

docker inspect <volume_name>

docker rm <volume_name>

docker ps
docker container ls

docker exec -it <container> bash

docker attach --sig-proxy=false <container>

docker logs <container>