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| title: DocFusion RAG Backend | |
| emoji: 📚 | |
| colorFrom: blue | |
| colorTo: purple | |
| sdk: docker | |
| pinned: false | |
| license: mit | |
| app_port: 7860 | |
| # DocFusion - RAG Backend API | |
| This is the backend API for DocFusion, a Retrieval-Augmented Generation (RAG) chatbot that allows users to upload PDF documents and interact with them using natural language queries. | |
| ## Features | |
| - 🔐 JWT-based authentication | |
| - 📄 PDF document upload and processing | |
| - 🤖 AI-powered chat with RAG | |
| - 💾 MongoDB integration | |
| - 🔍 Vector similarity search with ChromaDB | |
| - 📊 Session management | |
| ## API Endpoints | |
| - `GET /api/health` - Health check | |
| - `POST /api/auth/register` - User registration | |
| - `POST /api/auth/login` - User login | |
| - `POST /api/documents/upload` - Upload PDF documents | |
| - `POST /api/chat/ask` - Ask questions about documents | |
| - `GET /api/sessions` - List chat sessions | |
| ## Tech Stack | |
| - **Framework**: FastAPI | |
| - **Vector DB**: ChromaDB | |
| - **Embeddings**: HuggingFace (all-MiniLM-L6-v2) | |
| - **LLM**: OpenAI GPT-4 | |
| - **Database**: MongoDB | |
| - **Storage**: Cloudinary | |
| ## Environment Variables Required | |
| Set these in the Hugging Face Space settings: | |
| ``` | |
| MONGODB_URL=your_mongodb_connection_string | |
| JWT_SECRET_KEY=your_jwt_secret | |
| OPENAI_API_KEY=your_openai_api_key | |
| GROQ_API_KEY=your_groq_api_key (optional) | |
| HUGGINGFACE_TOKEN=your_hf_token | |
| CLOUDINARY_CLOUD_NAME=your_cloudinary_name | |
| CLOUDINARY_API_KEY=your_cloudinary_api_key | |
| CLOUDINARY_API_SECRET=your_cloudinary_secret | |
| ``` | |
| ## Frontend | |
| The frontend is a separate React application that connects to this API. | |
| For the complete project, visit: [GitHub Repository] | |
| ## License | |
| MIT License | |