Upload app.py

app.py

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+"""
+Hugging Face Space entrypoint.
+Serves FastAPI backend + static frontend from a single process.
+
+HF Spaces expects the app to listen on port 7860.
+"""
+
+import os
+import sys
+from pathlib import Path
+
+# Make sure backend package is importable
+sys.path.insert(0, str(Path(__file__).parent / "backend"))
+
+from fastapi import FastAPI, HTTPException, Request
+from fastapi.staticfiles import StaticFiles
+from fastapi.responses import HTMLResponse, FileResponse
+import uvicorn
+
+# Import the backend app and patch in the Groq key from HF secrets / env
+from backend.main import app, rag
+
+# Mount the frontend
+frontend_path = Path(__file__).parent / "frontend"
+app.mount("/static", StaticFiles(directory=str(frontend_path)), name="static")
+
+# Override root to serve index.html
+@app.get("/", response_class=HTMLResponse, include_in_schema=False)
+async def serve_frontend():
+    return FileResponse(str(frontend_path / "index.html"))
+
+
+if __name__ == "__main__":
+    # HF Spaces uses port 7860
+    port = int(os.environ.get("PORT", 7860))
+    uvicorn.run(
+        "app:app",
+        host="0.0.0.0",
+        port=port,
+        reload=False,
+        log_level="info",
+    )