High-Traffic Django & Stripe E-commerce Website [Part 6]: Cart and Checkout In Modern E-commerce Platform with Next.JS

Learn how to build a complete e-commerce platform using React or NextJS, Django, and Stripe, featuring Google Authentication and real-time cart management. This comprehensive guide covers everything from user authentication to secure payment processing, helping you create a production-ready online store with modern web technologies.

Author

• @Joel O. Wembo
• @twitter
• @linkedin

Installation and Setup

Backend (Django) Setup

1. Create and activate a virtual environment:

python -m venv venv
source venv/bin/activate  # On Windows use: venv\Scripts\activate

2. Install Python dependencies:

cd backend
pip install -r requirements.txt

3. Set up environment variables: Create a .env file in the backend directory with:

SECRET_KEY=your_django_secret_key
DEBUG=True
STRIPE_SECRET_KEY=your_stripe_secret_key
STRIPE_PUBLISHABLE_KEY=your_stripe_publishable_key

4. Run database migrations:

python manage.py makemigrations
python manage.py migrate

5. Start the Django development server:

python manage.py runserver

Frontend (Next.js) Setup

1. Install Node.js dependencies:

cd frontend
npm install

2. Set up environment variables: Create a .env.local file in the frontend directory with:

NEXT_PUBLIC_API_URL=http://localhost:8000
NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY=your_stripe_publishable_key

3. Run the development server:

npm run dev

Key Features

• 🛍️ Full E-commerce Functionality
• 🔐 Google Authentication
• 💳 Stripe Payment Integration
• 🛒 Real-time Cart Management
• 📱 Responsive Design
• 🔒 Secure Payment Processing
• 🎨 Modern UI/UX

API Endpoints

Base URL

The base URL for all API endpoints is: http://127.0.0.1:8585/api/v1

Authentication

• POST /auth/token/ - Get authentication token
• POST /auth/token/refresh/ - Refresh authentication token

Store

Cart

• GET /store/carts/ - Get user's cart
• POST /store/carts/ - Add/Update cart items
• DELETE /store/carts/{id}/ - Remove item from cart

Orders

• GET /store/orders/ - List user's orders
• POST /store/orders/ - Create new order
• GET /store/orders/{id}/ - Get order details

Checkout

• POST /store/checkout/ - Process checkout and payment

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

This project is licensed under the MIT License - see the LICENSE file for details.