🛂 Seller & Buyer Marketplace

This project is a full-stack application for buying , selling and recycling electronic items. It includes a frontend for users to browse and list products and a backend for handling authentication, product listings, and transactions.

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📌 Features

• User authentication (Login/Signup)
• Listing electronic items for sale
• Buying items from sellers
• Secure payment processing
• Product filtering and sorting
• Responsive UI

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📚 Project Structure

/seller-buyer-marketplace
  ├── backend/   # Node.js + Express + Database
  ├── frontend/  # React/Next.js + Tailwind CSS
  ├── README.md

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🛠️ Tech Stack

Frontend

• React.js / Next.js
• Tailwind CSS / Material UI
• Redux / Context API
• Axios for API calls

Backend

• Node.js + Express.js
• MongoDB (Mongoose ORM) / PostgreSQL (Prisma ORM)
• JWT Authentication
• Cloudinary / Firebase for image uploads

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🚀 Installation & Setup

1⃣ Clone the Repository

git clone https://github.com/your-username/seller-buyer-marketplace.git
cd seller-buyer-marketplace

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2⃣ Backend Setup

cd backend
npm install

Set up environment variables

Create a .env file in the backend/ directory and add:

PORT=5000
MONGO_URI=your-mongodb-connection-string
JWT_SECRET=your-secret-key
CLOUDINARY_API_KEY=your-cloudinary-key

Run the Backend Server

npm run dev 

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3⃣ Frontend Setup

cd ../frontend
npm install

Run the Frontend

npm run dev

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⚡ Usage

1. Visit http://localhost:3000/ for the frontend.
2. Use h${import.meta.env.VITE_API_BASE_URL}/api/ for backend API routes.
3. Register or login to list and buy products.

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🛠️ Environment Variables

Ensure you configure your .env files properly for both frontend and backend.

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