How to cleanup docker containers, images and volumes on your local machine

docker-cleanup.sh

# Remove containers whose name matches the automatic naming pattern (adjective_name). Won't affect running containers.
docker rm $(docker ps -a | awk '{print $NF}' |egrep '^[a-z]+_[a-z]+$')

# Delete images that don't have any tags or containers.
docker image prune -f

# Delete unused volumes
docker volume prune -f

c.f. https://docs.docker.com/config/pruning/