pj8912/docker_commands.md

Created March 18, 2026 08:05

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21 Docker Commands Every Developer Needs to Know

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docker_commands.md

Docker Commands

System & Version Information

docker --version: Check the installed version of Docker.

Image Management

docker pull: Download an image from Docker Hub.
docker images: List all images currently on your local machine.
docker rmi: Remove an image from your local system.
docker save: Save an image to a tar file for sharing.

Container Lifecycle

docker create: Create a new container from an image without starting it.
docker start: Start a created container.
docker run: Pull, create, and start a container in one command.
docker pause: Pause all processes within a container.
docker stop: Gracefully stop a running container.
docker kill: Immediately force a container to stop.
docker rm: Remove a stopped container.

Container Inspection & Management

docker ps: List running containers (use -a to list all containers).
docker rename: Rename an existing container.
docker port: List port mappings for a container.
docker stats: View live resource usage statistics (CPU/Memory).
docker exec: Run a command inside a running container.

Registry & Customization

docker commit: Create a new image from a container's changes.
docker login: Log in to a Docker registry.
docker push: Upload an image to Docker Hub.
docker logout: Log out from a Docker registry.

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