🔐 MERN Authentication System

A full-stack MERN authentication project with secure JWT-based authentication, email verification, password management, and cookie-based sessions. Built using modern tools like Vite, Bootstrap, React Toastify, and Nodemailer.

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✨ Features

• ✅ User Signup & Login
• 📧 Email Verification using Nodemailer
• 🔐 JWT Authentication
• 🍪 Cookie-Based Authentication
• 🔑 Forgot & Reset Password
• 🚪 Secure Logout
• 🛡 Protected Routes
• 🔔 Toast Notifications
• ⚡ Fast Frontend with Vite
• 🔄 Auto Server Reload using Nodemon

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🛠 Tech Stack

Frontend

• React
• Bootstrap 5
• Axios
• React Toastify

Backend

• Node.js
• Express.js
• MongoDB
• JSON Web Tokens (JWT)
• Nodemailer
• bcryptjs
• Cookie-Parser
• Nodemon

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Env Variables

Rename the .env.example file to .env and add the following:

MONGODB_URL="your_mongodb_url_here"

JWT_SECRET="your_jwt_secret_here"

NODE_ENV="development"

SMTP_USER="your_email_here"

SMTP_PASS="your_email_password_here"

SENDER_EMAIL="your_email_here"

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Installation

1. Install Backend Dependencies

cd server
npm install

2. Install Frontend Dependencies

cd client
npm install

3. Start Backend Server

cd server
npm run server

4. Start Frontend

cd client
npm run dev

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Usage

After starting the application, visit http://localhost:5173 in your browser.