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Docker Cheat Sheet

General

Command Description
docker system prune Remove all resources that are dangling (images, containers, volumes and networks).
docker system prune -a Remove any stopped containers and all unused images (not just dangling images).

Image Management:

Command Description
docker images -a List all docker images.
docker images -f dangling=true List all dangling docker images (images with no relation to tagged images).
docker images purge Remove all dangling docker images.
docker images -a | grep "pattern" List all docker images where their name matches the supplied pattern.
docker images -a | grep "pattern" | awk '{print $3}' | xargs docker rmi Remove all docker images where their name matches the supplied pattern.
docker rmi IMAGE Remove the docker images matching the supplied name of identifier.
docker rmi $(docker images -a -q) Remove all docker images from the host.

Container management:

Command Description
docker ps List active docker containers.
docker ps -a List all docker containers.
docker start CONTAINER Start a docker container, where CONTAINER is the name or identifier of the container to be started.
docker stop CONTAINER Stop a docker container, where CONTAINER is the name or identifier of the container to be stopped.
docker rm CONTAINER Remove a docker container matching the supplied name or identifier.
docker rm $(docker ps -a -f status=exited -q) Remove all docker containers.
docker exec [OPTIONS] CONTAINER COMMAND [ARG...] Execute a command on a running container. For example to start an interactive bash shell on a container named “ubuntu_bash” run: docker exec -it ubuntu_bash bash.

Useful links