Docker Commands Cheatsheet

Docker Commands Cheat Sheet

Container Lifecycle

• Creating and Starting a Container

  • docker run -d --name my_container nginx- Use this command to create and start a container named my_container using the nginx image.

• Starting, Stopping, and Restarting Containers

  • docker stop my_container - Stops the specified container.

  • docker start my_container - Starts a previously stopped container.

  • docker restart my_container - Restarts a container.

• Listing Containers

  • docker ps - Lists all currently running containers.

  • docker ps -a - Lists all containers, including those that are stopped.

Image Management

• Fetching an Image from a Registry

  • docker pull ubuntu- Retrieves the ubuntu image from the Docker Hub or other specified registry.

• Building an Image from a Dockerfile

  • docker build -t my_image .- Builds an image named my_image from a Dockerfile in the current directory.

• Listing and Removing Images

  • docker images - Lists all local Docker images.

  • docker rmi my_image - Removes the specified image from the local system.

Container Operations

• Interacting with Containers

  • docker exec -it my_container bash - Executes a command (bash in this case) inside a running container.

  • docker attach my_container - Attaches to a running container for interaction.

  • docker logs my_container - Displays logs from the specified container.

• Managing Container Resources

  • docker cp file.txt my_container:/path/to/destination - Copies files between a container and the host system.

  • docker pause my_container and docker unpause my_container - Pauses or unpauses a running container.

  • docker inspect my_container - Displays detailed information about a specific container.

Networking

• Network Management

  • docker network ls - Lists all networks available on the Docker host.

  • docker network create my_network - Creates a new network.

  • docker network connect my_network my_container and docker network disconnect my_network my_container - Connects or disconnects a container from a network.

Volume Management

• Volume Commands

  • docker volume ls - Lists all Docker volumes.

  • docker volume create my_volume - Creates a new volume named my_volume.

  • docker volume rm my_volume - Removes the specified volume.

  • docker volume inspect my_volume - Provides detailed information about a specific volume.

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