Project scaffolding in NestJS - Mini Project: Build & Apply

NestJS Project Scaffolding

📖 Scenario: You are starting a new backend project for a simple task management app. You want to set up the basic NestJS project structure to organize your code well.

🎯 Goal: Build the initial NestJS project scaffolding with a root module, a controller, and a service to prepare for adding task management features.

📋 What You'll Learn

Create a root module named AppModule

Create a controller named AppController

Create a service named AppService

Connect the controller and service in the module

Use NestJS decorators properly for module, controller, and service

💡 Why This Matters

🌍 Real World

Setting up a clean NestJS project structure is the first step in building scalable backend applications like task managers, blogs, or APIs.

💼 Career

Understanding NestJS project scaffolding is essential for backend developers working with modern Node.js frameworks in professional environments.

1

Create the root module

Create a class called AppModule and decorate it with @Module from @nestjs/common. For now, leave the imports, controllers, and providers arrays empty.

NestJS

import { Module } from '@nestjs/common';

// Your code here

Need a hint?

Use @Module decorator with empty arrays for imports, controllers, and providers.

2

Create the controller

Create a class called AppController and decorate it with @Controller() from @nestjs/common. For now, leave the class body empty.

NestJS

import { Controller } from '@nestjs/common';

// Your code here

Need a hint?

Use @Controller() decorator on the AppController class.

3

Create the service

Create a class called AppService and decorate it with @Injectable() from @nestjs/common. Leave the class body empty for now.

NestJS

import { Injectable } from '@nestjs/common';

// Your code here

Need a hint?

Use @Injectable() decorator on the AppService class.

4

Connect controller and service in the module

Update the @Module decorator in AppModule to include AppController in the controllers array and AppService in the providers array.

NestJS

import { Module } from '@nestjs/common';
import { Controller } from '@nestjs/common';
import { Injectable } from '@nestjs/common';

// Your code here

Need a hint?

Put AppController inside controllers and AppService inside providers in the @Module decorator.