Bash script to clean docker: stop all containers, rm all container, rmi dangling images

dockerClean.sh

#!/bin/bash

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Usage method
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
usage() {
    echo "
Usage : $0 [options]

Clean old docker containers, volumes, etc.
    -v   : clean volumes (default: disable)
    -h   : show this help
"
    exit 0;
}

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# check options
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

#~ Execute getopt
ARGS=$(getopt -o vh -n "$0" -- "$@");
#~ Bad arguments
#if [ $? -ne 0 ];then
#    error
#fi
eval set -- "$ARGS";

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# usage ( validation via getopt )
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
while true ; do
    case "$1" in
    -h|--help) usage ; shift ;;
    -v) VOLUMES=true; shift; ;;
    --) shift ; break ;;
    *) error ; break ;;
    esac
done

GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color
DONE="[${GREEN}DONE${NC}]"
PROGRESS="[${YELLOW}....${NC}]"

echo -ne "${PROGRESS} Stop all running containers\r"
docker stop $(docker ps -q) 2>/dev/null
echo -ne "${DONE} Stop all running containers\r"
echo -ne '\n'

echo -ne "${PROGRESS} Remove old containers\r"
docker rm $(docker ps -a -q) 2>/dev/null
echo -ne "${DONE} Remove old containers\r"
echo -ne '\n'

echo -ne "${PROGRESS} Remove dangling images\r"
docker rmi $(docker images --filter dangling=true -q) 2>/dev/null
echo -ne "${DONE} Remove dangling images\r"
echo -ne '\n'

if [[ $VOLUMES ]]; then
    echo -ne "${PROGRESS} Cleaning volumes\r"
    docker volume rm $(docker volume ls -q) 2>/dev/null
    echo -ne "${DONE} Cleaning volumes\r"
    echo -ne "\n"
fi

# /!\ Remove all images
#echo "Remove all images"
#docker rmi $(docker images -q)