⚡ Express.js Full Backend

Express.js + TypeScript + Swagger + JWT + Security template.

Stack

• Express.js
• TypeScript
• Swagger (OpenAPI 3.0)
• JWT Authentication
• Zod Validation
• Helmet (Security)
• CORS
• Rate Limiting
• Bcrypt (Password Hashing)

Getting Started

# Install dependencies
npm install

# Setup environment
cp .env.example .env

# Run in development mode
npm run dev

API Documentation

Swagger UI is available at: http://localhost:3000/api/docs

API Endpoints

General

Method	Endpoint	Description
GET	/	Welcome message
GET	/health	Health check

Authentication

Method	Endpoint	Description
POST	/auth/register	Register new user
POST	/auth/login	Login user
GET	/auth/me	Get current user (protected)

Project Structure

src/
├── index.ts
├── routes/
│   ├── index.ts
│   └── auth.routes.ts
├── middleware/
│   ├── errorHandler.ts
│   ├── auth.ts
│   └── validate.ts
├── utils/
│   ├── jwt.ts
│   └── hash.ts
└── schemas/
    └── auth.schema.ts

Security Features

• Helmet: Sets various HTTP headers for security
• CORS: Cross-Origin Resource Sharing
• Rate Limiting: 100 requests per 15 minutes per IP
• Password Hashing: Bcrypt with 12 salt rounds
• JWT: JSON Web Token authentication