Docker for Node.js Developers: From Zero to Production

Docker ensures your Node.js app runs identically in development and production.

Multi-Stage Dockerfile

Use multi-stage builds to keep production images small (< 100MB).

Docker Compose for Development

Run your app, database, and Redis together with a single command.

Environment Variables

Use .env files with docker-compose and secrets management in production.

Health Checks

Add health check endpoints for container orchestration.

Production Tips

• ●Run as non-root user
• ●Use .dockerignore
• ●Pin base image versions
• ●Leverage build cache

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