NestJS is a progressive Node. js framework that helps build server-side applications. Nest extends Node. js frameworks like Express or Fastify adding modular organization and a wide range of other libraries to take care of repetitive tasks.

In this you would take you through this curriculum:

Getting Started

Creating a rest API application

Add PostgreSQL with TypeORM

Dependency Injection

Application Configuration

Other Building Blocks by Example

Generating OpenAPI Specification

Testing

Add MongoDB with Mongoose