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NestJS Tutorials

NestJS is a progressive Node.js framework for building efficient, scalable server-side applications with TypeScript. This complete NestJS course covers modules, controllers, providers, dependency injection, pipes, guards, interceptors, REST APIs, authentication, databases, GraphQL, microservices, testing, deployment, best practices, and interview preparation.

What is NestJS?

NestJS is an opinionated TypeScript-first framework built on top of Express (or optionally Fastify). It brings Angular-inspired modules, decorators, and dependency injection to Node.js backends so teams can build maintainable APIs with a consistent architecture.

Why Learn NestJS?

Nest scales from small CRUD APIs to large modular systems with clear boundaries for validation, authentication, persistence, GraphQL, and microservices. Its DI container makes testing straightforward, and the official integrations cover the tools backend developers use every day.

What You Will Learn in This NestJS Course

You will start with setup and the Nest CLI, then master modules, controllers, providers, and routing. From there the course covers DTOs and validation, middleware, guards, pipes, interceptors, exception handling, TypeORM/Prisma/Mongoose, JWT and Passport auth, configuration, GraphQL, Kafka/RabbitMQ microservices, testing, performance, and deployment—finishing with interview questions and a quiz.

Complete NestJS Roadmap

Follow this structured NestJS roadmap to learn every important topic with examples, cheatsheets, and practical usage guidance.

01

Basics

NestJS Article Series • 5 lessons

Covers NestJS - Introduction, NestJS - Basics, and 3 more lessons.

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02

Core Concepts

NestJS Article Series • 5 lessons

Covers NestJS Modules, NestJS Controllers, and 3 more lessons.

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03

Controllers and Routing

NestJS Article Series • 5 lessons

Covers NestJS Routing, Request Object, and 3 more lessons.

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04

REST APIs

NestJS Article Series • 5 lessons

Covers NestJS REST API, CRUD API, and 3 more lessons.

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05

Middleware and Guards

NestJS Article Series • 5 lessons

Covers NestJS Middleware, NestJS Guards, and 3 more lessons.

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06

Pipes and Interceptors

NestJS Article Series • 5 lessons

Covers NestJS Pipes, Validation Pipe, and 3 more lessons.

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07

Exception Handling

NestJS Article Series • 4 lessons

Covers Exception Filters, HTTP Exceptions, and 2 more lessons.

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08

Databases

NestJS Article Series • 5 lessons

Covers NestJS Databases, TypeORM, and 3 more lessons.

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09

Authentication

NestJS Article Series • 5 lessons

Covers NestJS Authentication, Passport.js, and 3 more lessons.

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10

Configuration

NestJS Article Series • 4 lessons

Covers NestJS Configuration, Config Module, and 2 more lessons.

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11

GraphQL and APIs

NestJS Article Series • 4 lessons

Covers NestJS GraphQL, GraphQL Resolvers, and 2 more lessons.

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12

Microservices

NestJS Article Series • 5 lessons

Covers NestJS Microservices, Message Patterns, and 3 more lessons.

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13

Testing

NestJS Article Series • 5 lessons

Covers NestJS Testing, Unit Testing, and 3 more lessons.

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14

Advanced

NestJS Article Series • 5 lessons

Covers Lifecycle Events, Dynamic Modules, and 3 more lessons.

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15

Reference

NestJS Article Series • 5 lessons

Covers NestJS Best Practices, NestJS Do's and Don'ts, and 3 more lessons.

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16

Interview

NestJS Article Series • 2 lessons

Covers NestJS Interview Questions, NestJS Quiz.

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Who Can Use This NestJS Tutorial?

This tutorial is useful for Node.js developers moving to structured backends, frontend developers expanding into full-stack TypeScript, students learning Nest for the first time, and interview candidates who want clear explanations paired with practical NestJS examples.

Start Learning NestJS

Begin with the introduction lesson and continue through the sidebar in order. Each section is designed to help you understand NestJS clearly and apply it confidently in real projects.