Quick alias to remove and clean untagged docker images and stopped containers.

.zshrc

# 
# Credit to http://jimhoskins.com/2013/07/27/remove-untagged-docker-images.html
#
# Add this to your bash profile.
#

clean_docker () {
    # Remove stopped containers
    docker rm $(docker ps -a -q);
    # Remove untagged images
    docker rmi $(docker images | grep "^<none>" | awk "{print $3}");
    # Remove dangling volumes
    docker volume rm $(docker volume ls -qf dangling=true)
}