NestJS Playground

This repository serves as a learning playground for exploring NestJS framework concepts and building REST APIs. It contains various projects demonstrating different aspects of NestJS development.

Projects

Project	Description	Concepts Demonstrated	Status	Features
Task Manager API	RESTful API for managing tasks with basic CRUD operations	Controllers, Services, DTOs, Dependency Injection, TypeScript Integration	✅ Complete	• Get all tasks • Create new tasks • Clean architecture

Getting Started

Prerequisites

• Node.js (v16 or higher)
• npm or yarn

Installation & Setup

1. Clone the repository:

   git clone <repository-url>
   cd nestjs-playground

2. Navigate to a specific project:

   cd task-manager-api

3. Install dependencies:

   npm install

4. Start the development server:

   npm run start:dev

5. The API will be available at http://localhost:3000

Testing

Run unit tests:

npm run test

Run E2E tests:

npm run test:e2e

Run tests with coverage:

npm run test:cov

Learning Goals

This playground is designed to explore and understand:

• 🏗️ NestJS decorators and modules
• 💉 Dependency injection patterns
• 🎯 Controller and service architecture
• 📝 TypeScript integration
• 🧪 Testing strategies in NestJS
• 🌐 REST API design principles
• 🔧 Code quality tools and practices
• 🗄️ Database integration (MongoDB, PostgreSQL)
• 🔐 Authentication and authorization
• 📊 Validation and pipes
• 🔌 Middleware and interceptors
• 🚀 Performance optimization
• 📈 Monitoring and logging

🎯 Future Project Ideas

Here are some concepts I plan to explore in upcoming projects:

Concept	Project Idea	Complexity
Database Integration	User Management API with MongoDB	Intermediate
Authentication	JWT Auth Service	Intermediate
Validation & Pipes	Product Catalog with Validation	Beginner
Middleware & Interceptors	Request Logging System	Intermediate
WebSockets	Real-time Chat Application	Advanced
Microservices	Order Processing System	Advanced
File Upload	Image Upload Service	Intermediate
Caching	Redis-based Cache Layer	Intermediate
Testing Advanced	TDD E-commerce API	Advanced
GraphQL	Book Library GraphQL API	Advanced

Contributing

Feel free to add new projects or improve existing ones. Each project should focus on demonstrating specific NestJS concepts or features.

License

This project is for educational purposes.