Master containerization with battle-tested Dockerfile configurations for Node.js and Python applications. Learn multi-stage builds, lightweight Alpine images, and production optimization techniques that reduce image sizes and improve deployment speed.

This guide covers real-world setups used by production teams. You’ll get complete, copy-paste Dockerfiles for Express servers, FastAPI, Django apps, and best practices for system dependencies, environment variables, and runtime security.

What’s included:

• Multi-stage Node.js Dockerfile with Alpine optimization
• Production Python/FastAPI setup with dependency handling
• Django containerization best practices
• Environment configuration and security patterns
• Troubleshooting common Docker build issues
• Ready-to-use examples for immediate deployment