How do you connect a React or Vue frontend to a Django or Flask backend?
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To connect a React or Vue frontend to a Django or Flask backend, you typically use REST APIs or GraphQL for communication between the frontend and backend layers.
1. Backend Setup (Django/Flask)
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Django: Use Django REST Framework (DRF) to expose API endpoints.
Flask: Use Flask’s built-in routing or Flask-RESTful for API endpoints.
2. Frontend Setup (React/Vue)
Use fetch or Axios to call the backend API.
3. CORS
Install and configure CORS in your backend so your frontend can communicate across domains:
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Django:
django-cors-headers -
Flask:
flask-cors
4. Running Servers
Run frontend (React/Vue) on one port (e.g., 3000) and backend (Django/Flask) on another (e.g., 8000), enabling them to communicate via HTTP APIs.
This setup creates a clear separation between frontend UI and backend logic.
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