AuthAPI

Node.js + Express backend for user authentication and management with MongoDB.

Features

• User registration, login, password reset
• User profile management (get and update)
• Admin functionality to list all users
• JWT authentication and role-based authorization
• Password hashing with bcrypt
• Input validation and sanitization
• Security best practices with helmet and cors
• Global error handling
• Environment variable management with dotenv
• Render.com deployment ready

Environment Variables

Create a .env file in the root directory with the following variables:

PORT=5000
DB_URI=your_mongodb_connection_string
JWT_SECRET=your_jwt_secret_key

Running Locally

1. Install dependencies:

npm install

2. Start the server:

npm start

The server will run on http://localhost:5000 (or the port specified in .env).

API Endpoints

Register User

• URL: /api/register
• Method: POST
• Body:

{
  "name": "John Doe",
  "email": "[email protected]",
  "password": "password123"
}

Login User

• URL: /api/login
• Method: POST
• Body:

{
  "email": "[email protected]",
  "password": "password123"
}

Update Profile

• URL: /api/profile/update
• Method: PUT
• Headers: Authorization: Bearer <token>
• Body (any of the fields can be updated):

{
  "name": "John Updated",
  "email": "[email protected]",
  "password": "newpassword123"
}

Admin Get All Users

• URL: /api/admin/users
• Method: GET
• Headers: Authorization: Bearer <admin_token>

Deployment on Render.com

1. Push your project to GitHub.
2. Create a new Web Service on Render.com.
3. Connect your GitHub repository.
4. Set the environment variables on Render:
   • DB_URI
   • JWT_SECRET
   • PORT
5. Use the following build and start commands:
   • Build Command: npm install
   • Start Command: npm start
6. Deploy and get your live API URL.

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This project uses modern ES6 syntax and follows best practices for production-ready Node.js applications.