docker-cleanup

docker-cleanup.sh

#!/bin/bash
# Usage:
#   docker-cleanup.sh [-y]
#
#   When run without -y will print
#      all dead or exited containers
#      all dangling images (i.e. images without tags that are not used by any container)
#      all dangling volumes (all volumes not in use)
#
#   When run with -y, it will DELETE
#      all dead or exited containers
#      all dangling images
#    
do_it=false
if [[ $# -ne 0 ]]; then
	if [[ "x$1" == "x-y" ]]; then
		do_it=true
	fi
fi

#change to empty string if not using sudo
# SUDO=
SUDO=sudo

if $do_it; then
	$SUDO docker ps -f status=exited -f status=dead -q | xargs -r $SUDO docker rm
	$SUDO docker images -f "dangling=true" -q | xargs -r $SUDO docker rmi
else
	echo "The following containers will be removed:"
	$SUDO docker ps -f status=exited -f status=dead
	echo
	echo "The following images will be removed; note more may be removed after containers are removed"
	$SUDO docker images -f "dangling=true"
	echo
	echo "The following volumes should be removed with 'docker volume rm'"
	$SUDO docker volume ls -qf dangling=true

fi