Express.js — MERN Stack Roadmap
Minimal web framework for building APIs on Node.js
Steps in Express.js
- Express Basics & Setup — intermediate · Installing Express, creating an app instance and a first server
- Routing — intermediate · Route methods, route parameters, query strings and the Router object
- Middleware — intermediate · Understanding the middleware chain, built-in, third-party and custom middleware
- RESTful API Design — intermediate · REST conventions, resource naming, status codes and API design best practices
- Request Validation — intermediate · Validating and sanitizing incoming data with Joi or express-validator
- Error Handling Middleware — intermediate · Centralized error handling, custom error classes and consistent API error responses
- File Uploads (Multer) — intermediate · Handling multipart form data and file uploads
- Mini Project: Complete REST API — intermediate · Build a full CRUD REST API with routing, middleware, validation and error handling
Part of
- MERN Stack roadmap — the full learning path