Docker Ep 12 – Cheatsheet

Here’s a Docker cheat sheet that covers the most commonly used Docker commands, organized by categories.

docker --version: Show the Docker version installed on your system.
docker info: Display system-wide information, including Docker version, number of containers, and images.
docker help: Get help on Docker commands.

docker images: List all Docker images on your system.
docker pull <image>: Download an image from a Docker registry (e.g., Docker Hub).
docker build -t <image_name> .: Build an image from a Dockerfile in the current directory and tag it with a name.
docker tag <image_id> <new_image_name>: Tag an image with a new name.
docker rmi <image>: Remove one or more images.
docker history <image>: Show the history of an image (layers).

docker ps: List all running containers.
docker ps -a: List all containers (running and stopped).
docker run <image>: Run a container from an image.
docker run -d <image>: Run a container in detached mode (in the background).
docker run -it <image>: Run a container in interactive mode with a terminal.
docker run -p <host_port>:<container_port> <image>: Map a port from the host to the container.
docker stop <container>: Stop a running container.
docker start <container>: Start a stopped container.
docker restart <container>: Restart a running container.
docker rm <container>: Remove a stopped container.
docker logs <container>: View the logs of a container.
docker exec -it <container> <command>: Execute a command inside a running container (e.g., bash to open a shell).

docker network ls: List all Docker networks.
docker network create <network_name>: Create a new Docker network.
docker network inspect <network_name>: View detailed information about a network.
docker network connect <network_name> <container>: Connect a container to a network.
docker network disconnect <network_name> <container>: Disconnect a container from a network.
docker network rm <network_name>: Remove a Docker network.

docker volume ls: List all Docker volumes.
docker volume create <volume_name>: Create a new Docker volume.
docker volume inspect <volume_name>: View detailed information about a volume.
docker volume rm <volume_name>: Remove a Docker volume.
docker run -v <volume_name>:<container_path> <image>: Mount a volume inside a container.

docker-compose up: Start the services defined in a docker-compose.yml file.
docker-compose down: Stop and remove containers, networks, volumes, and images created by docker-compose up.
docker-compose build: Build or rebuild services defined in a docker-compose.yml file.
docker-compose ps: List containers managed by Docker Compose.
docker-compose logs: View logs for services managed by Docker Compose.
docker-compose exec <service> <command>: Execute a command in a running service.

docker system prune: Remove unused data (stopped containers, unused networks, dangling images, etc.).
docker container prune: Remove all stopped containers.
docker image prune: Remove unused images.
docker volume prune: Remove all unused volumes.
docker network prune: Remove all unused networks.

docker inspect <container_or_image>: Return low-level information on Docker objects (containers, images, volumes, etc.).
docker stats: Display a live stream of container(s) resource usage statistics.
docker top <container>: Display the running processes of a container.
docker cp <container>:<path> <local_path>: Copy files from a container to the host or vice versa.

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