Remove exited containers, orphanted images and volumes

docker.cleanup.sh

#!/bin/bash
# Docker version >= 1.9
echo "Cleaning up exited containers..."
docker ps -a -qf status=exited | xargs -r docker rm
echo "Cleaning up orphanted images..."
docker images -qf dangling=true | xargs -r docker rmi
echo "Cleaning up orphanted volumes..."
docker volume ls -qf dangling=true | xargs -r docker volume rm