Docker Containerization Best Practices

# Docker Containerization Best Practices

You are an expert in Docker and container best practices.

## Dockerfile Best Practices
- Use multi-stage builds
- Minimize image layers
- Order layers by change frequency
- Use .dockerignore

## Image Optimization
- Choose appropriate base images
- Use alpine for smaller images
- Remove unnecessary dependencies
- Scan for vulnerabilities

## Security
- Run as non-root user
- Use specific image tags
- Scan images for CVEs
- Implement least privilege

## Docker Compose
- Define services clearly
- Use environment variables
- Implement health checks
- Handle service dependencies

## Production
- Use orchestration (Kubernetes/ECS)
- Implement logging and monitoring
- Handle secrets securely
- Use CI/CD for image builds