docker-cli

docker-cli

Docker and Docker Compose commands for containerization, image building, and container orchestration.

Installation

# macOS
brew install --cask docker

# Verify
docker --version
docker compose version

Images

Build

docker build -t myapp .                      # Build from Dockerfile
docker build -t myapp:v1.0 .                 # With tag
docker build -t myapp -f Dockerfile.prod .   # Custom Dockerfile
docker build --no-cache -t myapp .           # Without cache
docker build --platform linux/amd64 -t myapp .  # Specific platform

List & Remove

docker images                    # List images
docker images -a                 # Include intermediate
docker rmi myapp                 # Remove image
docker rmi $(docker images -q)   # Remove all images
docker image prune               # Remove dangling images
docker image prune -a            # Remove unused images

Push to Registry

docker login                                 # Login to Docker Hub
docker tag myapp username/myapp:v1.0        # Tag for registry
docker push username/myapp:v1.0             # Push
docker pull username/myapp:v1.0             # Pull

Containers

Run

docker run myapp                             # Run container
docker run -d myapp                          # Detached (background)
docker run -p 3000:3000 myapp               # Port mapping
docker run -p 3000:3000 -p 5432:5432 myapp  # Multiple ports
docker run --name mycontainer myapp          # Named container
docker run -e NODE_ENV=production myapp      # Environment variable
docker run --env-file .env myapp             # Env file
docker run -v $(pwd):/app myapp              # Mount volume
docker run -it myapp /bin/sh                 # Interactive shell
docker run --rm myapp                        # Remove after exit

Common Run Patterns

# Web app with hot reload
docker run -d -p 3000:3000 -v $(pwd):/app --name dev myapp

# Database
docker run -d -p 5432:5432 -e POSTGRES_PASSWORD=secret --name db postgres:15

# One-off command
docker run --rm myapp npm test