Mastering NestJS – A Comprehensive Hands-on Course

Master modern backend development with NestJS in this comprehensive Hindi course. Whether you're a beginner or an experienced developer, this course will take you from zero to hero by covering everything from the basics to advanced enterprise-level concepts.

You'll learn how to build scalable, secure, and maintainable server-side applications using TypeScript and NestJS, a powerful Node.js framework inspired by Angular. We’ll explore topics like REST APIs, GraphQL, authentication, database integration (PostgreSQL, MongoDB, TypeORM, Prisma), monorepo architecture, microservices, event-driven systems, testing, cloud deployments, and more.

By the end of this course, you'll be confident enough to develop and deploy production-grade backend applications using best practices in modern development workflows.

Section 1: Introduction - NestJS Zero to Hero

• Lecture 1: NestJS Zero to Hero - Modern backend Development

• Lecture 2: Setting up Your System and prerequisite for this Course

• Lecture 3: Course Agenda & Outline

Lecture 1: NestJS Zero to Hero - Modern backend Development

Lecture 2: Setting up Your System and prerequisite for this Course

Lecture 3: Course Agenda & Outline

Section 2: Getting Started with NestJS

• Lecture 4: NestJS CLI Starter: Exploring the Generated Code

• Lecture 5: System Setup and Node.js Installation for NestJS Development

• Lecture 6: Why NestJS? – Introduction to NestJS (Preview enabled)

• Lecture 7: NestJS vs Express: Key Differences in API Development

• Lecture 8: Using NestJS CLI & Organize Your Code with Modular Structure

Lecture 4: NestJS CLI Starter: Exploring the Generated Code

Lecture 5: System Setup and Node.js Installation for NestJS Development

Lecture 6: Why NestJS? – Introduction to NestJS (Preview enabled)

Lecture 7: NestJS vs Express: Key Differences in API Development

Lecture 8: Using NestJS CLI & Organize Your Code with Modular Structure

Section 3: NestJS Basic Fundamentals with Simple CRUD

• Lecture 9: Baseline Nestjs Code for Building APIs

• Lecture 10: Building REST API CRUD Operation with In Memory Data

• Lecture 11: NestJS Controller and Service Basic Fundamentals

Lecture 9: Baseline Nestjs Code for Building APIs

Lecture 10: Building REST API CRUD Operation with In Memory Data

Lecture 11: NestJS Controller and Service Basic Fundamentals

Section 4: NestJS CLI and NestJS Core Building Blocks

• Lecture 12: Understanding the NestJS Request Lifecycle Flow

• Lecture 13: Kickstarting Your NestJS App with the CLI (Preview enabled)

• Lecture 14: NestJS Middleware and Auth Guard with Core Components

Lecture 12: Understanding the NestJS Request Lifecycle Flow

Lecture 13: Kickstarting Your NestJS App with the CLI (Preview enabled)

Lecture 14: NestJS Middleware and Auth Guard with Core Components

Section 5: NestJS Dependency Injection and Building Blocks

• Lecture 15: NestJS API Documentation Using Swagger

Lecture 15: NestJS API Documentation Using Swagger

Course Modules (Extended Learning)

Module 1: NestJS Fundamentals and Core Concepts

• Introduction to NestJS and its architecture

• Basic Fundamentals of Nestjs (core concepts)

• Setting up a NestJS project with TypeScript

• Creating RESTful APIs and GraphQL endpoints

• Implementing authentication (JWT, OAuth, Passport.js)

• Building end to end REST API services

• Setting up a NestJS project with Monorepo

• Database integration with TypeORM & Prisma and Mongoose

• Setting up a NestJS project with Testing

• Understanding NestJS Microservices

• Building Microservices and event-driven applications

• Unit & Integration Testing in NestJS

• CI/CD and deploying NestJS apps to the cloud

Introduction to NestJS and its architecture

Basic Fundamentals of Nestjs (core concepts)

Setting up a NestJS project with TypeScript

Creating RESTful APIs and GraphQL endpoints

Implementing authentication (JWT, OAuth, Passport.js)

Building end to end REST API services

Setting up a NestJS project with Monorepo

Database integration with TypeORM & Prisma and Mongoose

Setting up a NestJS project with Testing

Understanding NestJS Microservices

Building Microservices and event-driven applications

Unit & Integration Testing in NestJS

CI/CD and deploying NestJS apps to the cloud

Module 2: API Development - REST and GraphQL

• Creating RESTful APIs with NestJS

• Building GraphQL APIs using code-first and schema-first approaches

• API versioning and best practices

• API documentation using Swagger

• Handling GraphQL resolvers and decorators

• Integrating GraphQL with authentication and guards

Creating RESTful APIs with NestJS

Building GraphQL APIs using code-first and schema-first approaches

API versioning and best practices

API documentation using Swagger

Handling GraphQL resolvers and decorators

Integrating GraphQL with authentication and guards

Module 3: Authentication and Authorization

• Authentication with Passport.js (JWT, Local, OAuth2 strategies)

• Implementing cookie-based authentication (HTTP-only cookies)

• Session-based authentication flow

• Role-based access control (RBAC)

• Token-based authentication and refresh strategies

• Security best practices (CORS, helmet, rate limiting, CSRF protection)

Authentication with Passport.js (JWT, Local, OAuth2 strategies)

Implementing cookie-based authentication (HTTP-only cookies)

Session-based authentication flow

Role-based access control (RBAC)

Token-based authentication and refresh strategies

Security best practices (CORS, helmet, rate limiting, CSRF protection)

Module 4: Database Integration and File Handling

• Connecting PostgreSQL using TypeORM

• Using Prisma ORM for modern data modeling

• Integrating MongoDB with Mongoose

• File upload handling with Multer and working with static assets

• Exception filters, interceptors, and custom decorators

Connecting PostgreSQL using TypeORM

Using Prisma ORM for modern data modeling

Integrating MongoDB with Mongoose

File upload handling with Multer and working with static assets

Exception filters, interceptors, and custom decorators

Module 5: NestJS Microservices and Architecture

• Understanding NestJS microservices architecture

• Building microservices using TCP, Redis, NATS, RabbitMQ

• Using message patterns and transporters

• Communication using EventEmitter and custom event buses

• Scalable job queues with BullMQ

• Deploying and testing distributed services

Understanding NestJS microservices architecture

Building microservices using TCP, Redis, NATS, RabbitMQ

Using message patterns and transporters

Communication using EventEmitter and custom event buses

Scalable job queues with BullMQ

Deploying and testing distributed services

Module 6: NestJS GraphQL Deep Dive

• Setting up GraphQL modules and resolvers

• Working with GraphQL decorators and schemas

• Using Apollo Server and code-first approach

• Handling GraphQL mutations and queries with DTOs

• Integrating GraphQL with databases (TypeORM/Prisma)

• Testing GraphQL queries and mutations

Setting up GraphQL modules and resolvers

Working with GraphQL decorators and schemas

Using Apollo Server and code-first approach

Handling GraphQL mutations and queries with DTOs

Integrating GraphQL with databases (TypeORM/Prisma)

Testing GraphQL queries and mutations

Module 7: NestJS Testing Strategies

• Unit testing with Jest and mocking techniques

• Writing integration tests with Supertest

• Testing GraphQL APIs and authentication guards

• Testing modules and controllers independently

• Creating reusable testing utilities

• Best practices for test organization and coverage

Unit testing with Jest and mocking techniques

Writing integration tests with Supertest

Testing GraphQL APIs and authentication guards

Testing modules and controllers independently

Creating reusable testing utilities

Best practices for test organization and coverage

Module 8: DevOps, CI/CD, and Cloud Deployment

• Setting up environment variables and configuration modules

• Logging and monitoring with Winston and Morgan

• CI/CD pipeline setup with GitHub Actions or GitLab CI

• Dockerizing your NestJS app for production

• Deploying to AWS Lambda using Serverless Framework

• Deploying on EC2, ECS, and Kubernetes

• Creating and publishing custom NestJS packages

Setting up environment variables and configuration modules

Logging and monitoring with Winston and Morgan

CI/CD pipeline setup with GitHub Actions or GitLab CI

Dockerizing your NestJS app for production

Deploying to AWS Lambda using Serverless Framework

Deploying on EC2, ECS, and Kubernetes

Creating and publishing custom NestJS packages