BrandfordTech

Article Series

Browse our collection of multi-part article series on various topics

Introduction To Nest JS 6 parts

  1. 1

    NestJS for Express Developers: What Actually Changes

    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.

  2. 2

    NestJS Modules, Controllers, and Services: The Architecture Finally Explained

    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.

  3. 3

    JWT Authentication in NestJS: Complete Guide with Real Code

    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.

  4. 4

    NestJS Guards vs Middleware: When to Use Which

    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.

  5. 7

    NestJS Error Handling: Stop Sending Ugly 500 Errors to Your Users

    Learn how to handle errors properly in NestJS using exception filters, custom exceptions, and a global error response format that makes your API actually usable.

  6. 8

    Environment Variables in NestJS: The Right Way with @nestjs/config

    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.

Introduction To Nest JS 2 parts

  1. 5

    NestJS + PostgreSQL with TypeORM: Complete Setup Guide

    Learn how to connect NestJS to PostgreSQL using TypeORM — from installation to entities, relations, and repositories. With real code and the mistakes you'll actually make.

  2. 6

    NestJS TypeORM Migrations: Stop Using synchronize: true in Production

    synchronize: true will eventually destroy your production database. Here's how to set up TypeORM migrations in NestJS the right way, with real commands and a workflow that actually makes sense.