Docker disk trouble shooting

docker-disk-troubles.md

Case: No space left on device error

# remove unnecessary images
docker rm $(docker ps -q -f 'status=exited')
docker rmi $(docker images -q -f "dangling=true")

Case: Volumes are full

# display volumes
$ sudo find '/var/lib/docker/volumes/' -mindepth 1 -maxdepth 1 -type d | grep -vFf <(docker ps -aq | xargs docker inspect | jq -r '.[]|.Mounts|.[]|.Name|select(.)')

# delete volume
$ docker volume ls -qf dangling=true | xargs -r docker volume rm