docker-cleanup.cron.sh

#!/bin/bash
# 0 * * * * /usr/local/bin/docker-cleanup.cron.sh > /var/log/docker-cleanup.log 2> /var/log/docker-cleanup.err.log

cleanup_images() {
    echo "Cleaning up images"
    docker rmi -f $(docker images -af dangling=true -q)
}

cleanup_containers() {
    echo "Cleaning up containers"
    docker rm -f $(docker ps -af status=exited -q)
}

cleanup_volumes() {
    echo "Cleaning up volumes"
    docker volume rm $(docker volume ls -f dangling=true -q)
}

cleanup_containers
cleanup_images
cleanup_volumes