cleans up docker images/containers

dockerClean.sh

#!/usr/bin/env bash
# docker cleanup (if you're not careful, docker loves to eat disk space)
# bash <(curl -L https://gist.github.com/greyltc/ea2b0fbc5e815af55768/raw)
echo "Cleaning up unneeded docker images."
docker stop $(docker ps -a -q) || echo "No container to stop"
docker rm $(docker ps -a -q) || echo "No container to remove"
docker rmi $(docker images -f "dangling=true" -q)