Authentication Frontend (Node.js + Express)

This project serves as the backend for the Authentication App, built using Node.js and Express. It provides REST APIs for authentication flows, including signup, login, email verification, and password reset, with secure JWT-based authentication.

Getting Started

1️ Clone the Repository

git clone https://github.com/Zarfaa/authentication-backend.git
cd authentication-backend

Install Dependencies

npm install

3 Run the Development Server

npm run dev

The app will be available at 👉 http://localhost:3000

Available Scripts

• npm run dev → Start dev server with HMR
• npm run build → Build production bundle

⚙️ Environment Variables

Create a .env file in the root of your project and add:

• PORT=3000
• MONGO_URI=databse_url
• JWT_SECRET=your_jwt_secret
• EMAIL_FROM=verified_sendGrid_user
• CLIENT_URL=frontend_url
• SENDGRID_API_KEY=sendGrid_api_key

👨‍💻 Tech Stack

• Node.js + Express → Backend framework
• JWT → Authentication & authorization
• MongoDB → Database
• SendGrid → Email verification & password reset
• bcrypt.js → Password hashing