Node.js Backend Development Guide

Node.js Backend Development Guide is the complete reference for building server-side applications with Node.js. Whether you're building REST APIs, real-time applications, or microservices, this guide covers it all. What's covered: - Node.js fundamentals: event loop, streams, modules, and async patterns - Express.js for REST API development - Fastify as a high-performance alternative - Authentication: JWT, OAuth, session-based auth - Database integration: PostgreSQL, MongoDB, Redis - File uploads, image processing, and cloud storage - WebSockets with Socket.io for real-time features - Caching strategies with Redis - Background jobs and task queues - API security: rate limiting, input validation, CORS - Testing: Jest, Supertest for API testing - Deployment: PM2, Docker, and cloud platforms