Node.js Mastery

Table of Contents

1. What is Node.js?2. Architecture: V8 + libuv 3. Core Modules 4. The Module System: CommonJS vs ES Modules 5. npm & `package.json` Deep Dive 1. Express.js Fundamentals 2. Express Router (Modular Routes)3. Fastify (Performance-First Alternative)4. Request Lifecycle Architecture 1. The Node.js Event Loop 2. The 6 Event Loop Phases 3. Microtask Queues: `process.nextTick()` vs `queueMicrotask()` vs `setImmediate()`4. Streams 5. Buffers (Binary Data)1. Database Integration Patterns 2. Authentication (JWT + bcrypt)3. Security Hardening 4. Environment Management with Zod 1. `cluster` Module (Multi-Process Scaling)2. `worker_threads` (True Multi-Threading)3. PM2 (Production Process Manager)4. Graceful Shutdown 5. Production Dockerfile (Multi-Stage)6. Observability

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