🔐 Auth App API

A secure authentication API built with Node.js, Express, and MongoDB. This project provides user registration, login, password hashing, JWT-based authentication, and protected routes.

🚀 Features

• User Registration
• User Login
• Password Hashing with bcrypt
• JWT Authentication
• Protected Routes
• Input Validation
• Error Handling Middleware
• MongoDB Database Integration
• RESTful API Design

🛠️ Tech Stack

• Node.js
• Express.js
• MongoDB Atlas
• Mongoose
• JWT (JSON Web Token)
• bcryptjs
• dotenv

📂 Project Structure

src/
├── controllers/
├── middleware/
├── models/
├── routes/
├── app.js
├── server.js
└── db.js

⚙️ Installation

Clone Repository

git clone https://github.com/v-988/auth-app.git
cd auth-app

Install Dependencies

npm install

Configure Environment Variables

Create a .env file:

PORT=5000
MONGO_URI=your_mongodb_connection_string
JWT_SECRET=your_secret_key

Run the Application

npm run dev

or

npm start

🔑 API Endpoints

Register User

POST /api/auth/register

Request Body:

{
  "name": "John Doe",
  "email": "john@example.com",
  "password": "password123"
}

Login User

POST /api/auth/login

Request Body:

{
  "email": "john@example.com",
  "password": "password123"
}

Protected Route

GET /api/auth/profile

Headers:

Authorization: Bearer <token>

📮 Testing

Use Postman or Thunder Client to test the API endpoints.

🔒 Security Features

• Password hashing using bcrypt
• JWT token authentication
• Protected routes middleware
• Environment variable protection
• Input validation

🌟 Future Improvements

• Password Reset
• Email Verification
• Refresh Tokens
• Role-Based Access Control (RBAC)
• OAuth Authentication (Google/GitHub)

👨‍💻 Author

Developed by Vishal

GitHub: https://github.com/v-988