Cleanup docker disk space https://lebkowski.name/docker-volumes/

cleanup-docker.sh

#!/bin/bash

set -euo pipefail
IFS=$'\n\t'

# This is an updated version of https://lebkowski.name/docker-volumes

main() {
  remove-exited-containers
  remove-unused-images
  remove-unused-volumes
}

remove-exited-containers() {
  docker ps --filter status=dead --filter status=exited -aq | xargs -r docker rm -v
}

remove-unused-images() {
  docker images --no-trunc | grep '<none>' | awk '{ print $3 }' | xargs -r docker rmi
}

remove-unused-volumes() {
  docker volume ls -qf dangling=true | xargs -r docker volume rm
}

main