Authentication App

A full-stack user authentication and authorization application built using:

• Frontend: React, Next.js, TailwindCSS, Redux Toolkit, react-hook-form
• Backend: Node.js, Express.js, TypeScript, MongoDB (Mongoose), JWT, Zod

✨ Features

• User Registration & Login (JWT-based)
• Secure route protection (Private/Public routes)
• Zod-powered request validation
• Persistent login with refresh tokens
• Responsive and accessible UI

📂 Tech Stack

Layer	Tech Used
Frontend	Next.js, React, TailwindCSS, Redux Toolkit, React Hook Form, Zod
Backend	Node.js, Express, TypeScript, MongoDB, Mongoose, JWT, Zod, bcrypt
Utilities	dotenv, cookie-parser, cors, eslint, prettier

🚀 Getting Started

Follow these steps to set up and run the project locally.

---

📦 1. Clone the Repository

git clone https://github.com/Shakilofficial/authentication-app.git
cd authentication-app

---

🛠️ 2. Backend Setup

cd server
npm install
cp .env.example .env
npm run dev

---

🎨 3. Frontend Setup

cd client
npm install
npm run dev

---

🛡️ Environment Variables

Ensure both the client and server folders have their own .env files.

---

📁 server/.env.example

PORT=5000
MONGO_URI=mongodb://localhost:27017/authdb
JWT_ACCESS_SECRET=your_jwt_access_secret
JWT_REFRESH_SECRET=your_jwt_refresh_secret
JWT_ACCESS_EXPIRES_IN=10d
JWT_REFRESH_EXPIRES_IN=30d
CLIENT_URL=http://localhost:3000

---