Ultimate Docker Cheat Sheet: Installation, Basic, and Advanced Commands
Docker streamlines application deployment and management through containerization. This cheat sheet provides an essential guide for Docker installation on Ubuntu, as well as basic and advanced commands for efficient container management.
Docker Installation on Ubuntu
1. Update the Package Index
sudo apt-get update
2. Upgrade the Package Index Again
sudo apt-get upgrade
3. Install Docker Engine
sudo apt-get install docker.io
4. Start Docker Service
sudo systemctl start docker
5. Enable Docker to Start at Boot
sudo systemctl enable docker
6. Add Your User to the Docker Group
sudo usermod -aG docker $USER
Log out and log back in for group changes to take effect.
Basic Docker Commands
1. Check Docker Version
docker --version
2. Pull an Image
docker pull <image>:<tag>
3. List Docker Images
docker images
4. Remove an Image
docker rmi <image>:<tag>
5. Run a Container
docker run [OPTIONS] <image>:<tag>
6. List Running Containers
docker ps
7. List All Containers (including stopped)
docker ps -a
8. Stop a Container
docker stop <container_id>
9. Remove a Container
docker rm <container_id>
10. View Container Logs
docker logs <container_id>
11. Execute a Command in a Running Container
docker exec -it <container_id> <command>
12. Inspect a Container or Image
docker inspect <container_id_or_image>
13. Create and Start a Container (combination)
docker run -d --name <container_name> <image>:<tag>
14. View Container Stats
docker stats
Intermediate Docker Commands
15. Build an Image from a Dockerfile
docker build -t <image_name>:<tag> .
16. Tag an Image
docker tag <image_id> <repository>:<tag>
17. Push an Image to a Repository
docker push <repository>:<tag>
18. Pull an Image from a Repository
docker pull <repository>:<tag>
19. Remove All Stopped Containers
docker container prune
20. Remove All Unused Images
docker image prune -a
21. Remove All Unused Volumes
docker volume prune
22. Remove All Unused Networks
docker network prune
23. Remove All Unused Resources (containers, images, volumes, networks)
docker system prune
24. Commit Changes to a Container as a New Image
docker commit <container_id> <new_image_name>:<tag>
Advanced Docker Commands
25. Create a Network
docker network create <network_name>
26. List Networks
docker network ls
27. Inspect a Network
docker network inspect <network_name>
28. Connect a Container to a Network
docker network connect <network_name> <container_id>
29. Disconnect a Container from a Network
docker network disconnect <network_name> <container_id>
30. Create a Volume
docker volume create <volume_name>
31. List Volumes
docker volume ls
32. Inspect a Volume
docker volume inspect <volume_name>
33. Remove a Volume
docker volume rm <volume_name>
34. Run a Container with Specific Resource Limits
docker run -d --memory="512m" --cpus="1.0" <image>:<tag>
35. View Docker System Information
docker info
36. Generate a Docker Compose File
docker-compose config
37. Start Services Defined in a Docker Compose File
docker-compose up
38. Stop Services Defined in a Docker Compose File
docker-compose down
39. Scale Services in Docker Compose
docker-compose up --scale <service>=<num>
40. Update Docker Compose File
docker-compose up -d
41. Execute a Command in a Running Docker Compose Service
docker-compose exec <service> <command>
42. View Docker Compose Logs
docker-compose logs
This cheat sheet encompasses a range of Docker commands, from installation on Ubuntu to managing containers and images. Use it to navigate Docker’s functionalities efficiently and enhance your container management workflows.
