DOCKER
IMAGE
docker image ls
docker image ls -a
docker pull <dockerhub_user>/<dockerhub_image>:<dockerhub_tag>
docker push <dockerhub_user>/<dockerhub_image>:<dockerhub_tag>
docker image rm <name> [--force]
docker rmi $(docker images -q) # rm all images
docker rmi $(docker images --quiet --filter=dangling=true) # rm dangling images (tagged as <none>)