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Docker Notes

Oct 10, 2025

#Docker #CLI

A collection of useful Docker commands.

Docker CLI

Docker Run

To run a container from an image, you can use the docker run command.

# Run a container in detached mode and map port 8080 to 80
docker run -d -p 8080:80 docker/welcome-to-docker

Docker ps

To list all running containers.

docker ps

Note

Use the -a flag to show all containers, including those that have stopped.

docker ps -a

Docker stop

To stop a running container, you need its ID.

docker stop <container-id>

Docker Image

Here are some common commands for managing Docker images.

CommandDescription
docker imagesList all images
docker images -aList all images (including all)
docker rmi <image-id>Remove a specific image
docker rmi <repo>:<tag>Remove by repository:tag
docker rmi <id1> <id2>Remove multiple images
docker image pruneRemove all dangling images
docker image prune --allRemove all unused images
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