🔐 MERN Authentication System

A full-stack authentication system built with React (frontend) and Node.js/Express + MongoDB (backend).
Supports Register, Login, JWT Authentication, Forgot Password (Email), Reset Password, and Update Password.

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⚡ Features

🔧 Backend (Node.js + Express + MongoDB)

• User registration with email validation
• Secure password hashing using bcrypt
• JWT-based access & refresh tokens
• Login / Logout
• Forgot password with email reset link
• Update password (old + new + confirm password)
• Middleware for authentication & validation

🎨 Frontend (React)

• Register, Login, Protected routes
• Forgot Password & Reset Password pages
• Update Password page (for logged-in users)
• Handles backend error messages properly
• Uses React Router v6 for navigation
• Token stored in localStorage

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🛠 Tech Stack

• Frontend: React, Axios, React Router
• Backend: Node.js, Express.js, MongoDB, JWT, bcrypt
• Validation: validator (for email & password)
• Email: Nodemailer (for forgot password email links)

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📸 Screenshots Without Login:

With Login:

With Login Token:

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🚀 Installation

1️⃣ Clone the repo

git clone https://github.com/SAMUVELREEGAN/Model.git
cd Model