Express.js with TypeScript
Build production-grade REST APIs with Express.js and TypeScript — typed routes, Zod validation, Prisma, JWT auth, and testing.
About this course
A complete, production-focused curriculum for building REST APIs with Express.js and TypeScript. Covers project setup and tsconfig, typed routing and controllers, middleware patterns, request validation with Zod, database integration with Prisma, JWT authentication, structured error handling, and full API testing with Jest and Supertest. Every pattern is battle-tested and ready to ship.
Curriculum (8 modules)
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Project Setup & TypeScript Config
Bootstrap a production-ready Express + TypeScript project: tsconfig, ts-node-dev, ESLint, absolute imports, and folder structure.
Typed Routing & Controllers
Express Router with full TypeScript types, controller patterns, typed route params, query strings, and request bodies.
Middleware Patterns
Custom middleware, middleware composition, CORS, rate limiting, request logging with Morgan, and the Express middleware chain.
Request Validation with Zod
Schema-first validation for body, params, and query — typed request objects, custom error messages, and reusable validators.
Database with Prisma ORM
Prisma setup with PostgreSQL, schema design, migrations, typed queries, relations, and service layer patterns.
JWT Authentication
Implement JWT-based auth from scratch: sign/verify tokens, access + refresh token pattern, protected routes, and req.user typing.
Structured Error Handling
Custom error classes, consistent error response shapes, operational vs programmer errors, Prisma error handling, and 404 fallback.
Testing with Jest & Supertest
Unit tests for services, integration tests for HTTP endpoints with Supertest, test database setup, mocking Prisma, and CI-ready test configuration.
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Free for everyone · Lifetime access
100% free — no payment details needed