34-Backend-Mastery

Appearance

Build Order: Constructing a Production Backend ​

Step-by-Step Architecture Roadmap ​

  1. Runtime & Gateway: Initialize Node.js 20+ with TypeScript and Express, configuring helmet, cors, and pino logging.
  2. Middleware Pipeline: Establish centralized error handler, request correlation IDs, and input validation schemas.
  3. Data Layer: Implement Mongoose schemas with compound indexes and ACID transaction helpers.
  4. Security & Auth: Mount JWT token issuance, bcrypt hashing, and Redis token blacklisting.
  5. Caching & Workers: Integrate Redis cache-aside helpers and BullMQ worker processors.
  6. Real-Time Mesh: Configure Socket.IO with Redis adapter for distributed pub/sub.
  7. Multi-Tenancy & Metrics: Deploy tenant scoping middleware and Prometheus metrics scrapers.