5 posts with this tag
Learn how to manage environment variables in NestJS properly — from basic setup to validation, typed config, and multiple environments — so your app never breaks because of a missing secret.
Guards and middleware look similar in NestJS but they solve very different problems. Here's how to tell them apart and know exactly when to reach for each one.
Learn how to implement JWT authentication in NestJS from scratch — registration, login, protected routes, and Guards — with real working code every step of the way.
Confused by NestJS modules, controllers, and services? This guide breaks down the core architecture in plain terms, with real code examples and analogies that actually stick.
Already know Express? Learn how NestJS builds on top of it with structure, TypeScript-first design, and built-in architecture — without throwing away what you already know.