Express Authentication Service

A robust authentication service built with Node.js, Express, and MongoDB. This service provides user registration, login, and authentication functionality using JWT (JSON Web Tokens).

Features

• User registration and login
• JWT-based authentication
• Password hashing with bcrypt
• MongoDB database integration
• CORS support
• Cookie session management

Prerequisites

• Node.js (v14 or higher)
• MongoDB
• Docker and Docker Compose (optional, for containerized deployment)

Installation

1. Clone the repository:

git clone <your-repository-url>
cd express-auth-service

2. Install dependencies:

npm install

3. Set up environment variables: Create a .env file in the root directory with the following variables:

MONGODB_URI=your_mongodb_connection_string
JWT_SECRET=your_jwt_secret_key
PORT=3000

Running the Application

Development Mode

npm run dev

Production Mode

npm start

Using Docker

docker-compose up

API Endpoints

Authentication

• POST /api/auth/register - Register a new user
• POST /api/auth/login - Login user
• POST /api/auth/logout - Logout user
• GET /api/auth/verify - Verify JWT token

Project Structure

express-auth-service/
├── app/
│   ├── controllers/    # Route controllers
│   ├── middleware/     # Custom middleware
│   ├── models/        # Database models
│   └── routes/        # API routes
├── docker-compose.yml  # Docker configuration
├── package.json       # Project dependencies
└── server.js         # Application entry point

Dependencies

• express: ^4.18.2
• mongoose: ^6.10.0
• jsonwebtoken: ^9.0.2
• bcryptjs: ^2.4.3
• cors: ^2.8.5
• cookie-session: ^2.1.0
• body-parser: ^1.20.2

Security Features

• Password hashing using bcrypt
• JWT token-based authentication
• CORS protection
• Secure cookie session management

License

ISC

Author

jvegar