Nuke all docker intermediate build files to reclaim disk space

docker-full-cleanup.sh

alias docker-full-cleanup='func_full-cleanup-docker'

func_full-cleanup-docker() {

  echo "WARN: This will remove everything from docker: volumes, containers and images. Will you dare? [y/N] "
  read choice

  if [ \( "$choice" == "y" \) -o \( "$choice" == "Y" \) ]
  then
    sudo echo "> sudo rights check [OK]"
    sizea=`sudo du -sh /var/lib/docker/aufs`

    echo "Stopping all running containers"
    containers=`docker ps -a -q`
    if [ -n "$containers" ]
    then
      docker stop $containers
    fi

    echo "Removing all docker images and containers"
    docker system prune -f

    echo "Stopping Docker daemon"
    sudo service docker stop

    echo "Removing all leftovers in /var/lib/docker (bug #22207)"
    sudo rm -rf /var/lib/docker/aufs
    sudo rm -rf /var/lib/docker/image/aufs
    sudo rm -f /var/lib/docker/linkgraph.db

    echo "Starting Docker daemon"
    sudo service docker start

    sizeb=`sudo du -sh /var/lib/docker/aufs`
    echo "Size before full cleanup:"
    echo "        $sizea"
    echo "Size after full cleanup:"
    echo "        $sizeb"
  fi
}