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CodeSignal

NestJS Fundamentals: Your First API

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Overview

You'll start your journey by scaffolding a new NestJS application with the CLI. Then, you'll create your first API endpoints, separate business logic into services, and connect to a mock in-memory database to manage your app's data.

Syllabus

  • Unit 1: Scaffolding Your NestJS Project
    • Exploring Your First NestJS Project
    • Scaffolding Your NestJS Project Example
    • Building Your First Controller
    • Assembling the App Module
    • Bootstrapping Your NestJS Application
  • Unit 2: Creating Your First Entity Controller
    • Creating Your First Controller Example
    • Connect Your Users Module
    • Build Your First Entity Controller
    • Generate and Structure Like a Pro
  • Unit 3: Implementing the Entity Service Layer
    • Observing the Service Layer in Action
    • Refactoring the Controller to Use the Service Layer
    • Implementing a Dynamic User Lookup Endpoint
    • Implementing the Service Layer in NestJS
  • Unit 4: Connecting to Mock Database
    • Observing the Mock Database Integration
    • Creating and Registering the Mock Database
    • Implementing the Mock Database Service
    • Connecting to a Mock Database in NestJS

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