Docker shortcuts

docker.sh

# clenup all exited containers
docker rm -v $(docker ps -a -q -f status=exited)
$(docker ps -a -q -f status=exited) | xargs -r docker rm -v

# remove dangling images
docker rmi $(docker images -f "dangling=true" -q)
$(docker images -f "dangling=true" -q) | xargs -r docker rmi -v

# remove dangling volumes
docker volume rm $(docker volume ls -qf dangling=true)

# Delete all tagged images more than a month old
# (will fail to remove images still used).
docker images --no-trunc --format '{{.ID}} {{.CreatedSince}}' | grep -E ' (months|weeks)' | \
    awk '{ print $1 }' | xargs --no-run-if-empty docker rmi {} || true

# same but using names which will untag and allow remove duplicates
docker images --no-trunc --format '{{.Repository}}:{{ .Tag }} {{.CreatedSince}}' | \
    grep -E ' (months|weeks)' | awk '{ print $1 }' | gxargs --no-run-if-empty docker rmi {} || true

# Delete all 'untagged/dangling' (<none>) images
# Those are used for Docker caching mechanism.
docker images -q --no-trunc --filter dangling=true | xargs --no-run-if-empty docker rmi

# Delete all dangling volumes.
docker volume ls -qf dangling=true | xargs --no-run-if-empty docker volume rm