Docker Cheat Sheet

Installation and Setup 🛠️

• Install Docker: Use apt-get install docker-ce on Ubuntu.
• Start Docker: Run sudo systemctl start docker.
• Enable Docker: Enable at startup with sudo systemctl enable docker.
• Check Installation: Verify with docker --version.

Images 📦

• Pull Image: Download an image with docker pull <image_name>.
• List Images: Show images with docker images.
• Remove Image: Delete an image with docker rmi <image_id>.
• Build Image: Build from a Dockerfile using docker build -t <image_name> ..

Containers 🚢

• Run Container: Start a container with docker run <image_name>.
• List Containers: Show running containers with docker ps.
• Stop Container: Stop a running container using docker stop <container_id>.
• Remove Container: Delete a container with docker rm <container_id>.
• Run in Background: Use docker run -d <image_name> to run in detached mode.
• Run with Ports: Map ports with docker run -p <host_port>:<container_port> <image_name>.

Volumes 📂

• Create Volume: Use docker volume create <volume_name>.
• List Volumes: Show volumes with docker volume ls.
• Use Volume: Mount a volume with docker run -v <volume_name>:<container_path> <image_name>.
• Remove Volume: Delete a volume with docker volume rm <volume_name>.

Networking 🌐

• List Networks: Show networks with docker network ls.
• Create Network: Use docker network create <network_name>.
• Connect to Network: Connect a container with docker network connect <network_name> <container_id>.
• Disconnect from Network: Disconnect using docker network disconnect <network_name> <container_id>.
• Inspect Network: Get details with docker network inspect <network_name>.

Docker Compose 📝

• Install Compose: Use pip install docker-compose.
• Start Services: Run docker-compose up to start.
• Stop Services: Use docker-compose down to stop.
• Build Services: Build images with docker-compose build.
• View Logs: See logs with docker-compose logs.