fixing https issue on hf

Dockerfile

@@ -40,10 +40,10 @@ RUN apt-get update && apt-get install -y \
 
 # Set up user environment
 ENV HOME=/home/user \
-    PATH=/home/user/app/.venv/bin:$PATH
-    
-ENV UVICORN_WS_PROTOCOL=websockets
-
+    PATH=/home/user/app/.venv/bin:$PATH \
+    UVICORN_WS_PROTOCOL=websockets \
+    FORWARDED_ALLOW_IPS="*" \
+    HTTPTOOLS_LOG_DEBUG=1
 
 # Verify dependencies are available in the final image
 RUN python -c "import numpy; print(f'NumPy version: {numpy.__version__}')" && \

backend/main.py

@@ -36,6 +36,22 @@ load_dotenv()
 
 app = FastAPI()
 
+# For deployment on Hugging Face Spaces, add a middleware to handle HTTPS
+from starlette.middleware.base import BaseHTTPMiddleware
+
+class HTTPSRedirectMiddleware(BaseHTTPMiddleware):
+    async def dispatch(self, request, call_next):
+        # Check for X-Forwarded-Proto header and ensure it's HTTPS
+        if request.headers.get("X-Forwarded-Proto") == "http":
+            logger.info("Redirecting to HTTPS")
+            url = request.url.replace(scheme="https")
+            return RedirectResponse(url=str(url), status_code=307)
+        return await call_next(request)
+
+# Add the HTTPS middleware
+from starlette.responses import RedirectResponse
+app.add_middleware(HTTPSRedirectMiddleware)
+
 # Configure CORS - allow all origins explicitly for development
 app.add_middleware(
     CORSMiddleware,
@@ -302,4 +318,14 @@ if frontend_path.exists():
         return FileResponse(str(frontend_path / "index.html"))
 
 if __name__ == "__main__":
-    uvicorn.run("main:app", host="0.0.0.0", port=8000) 
+    # Get the port from environment variable or use default
+    port = int(os.environ.get("PORT", 8000))
+    
+    # For Hugging Face Spaces deployment
+    uvicorn.run(
+        "main:app", 
+        host="0.0.0.0", 
+        port=port,
+        proxy_headers=True,  # This tells uvicorn to trust the X-Forwarded-* headers
+        forwarded_allow_ips="*"  # Allow forwarded requests from any IP
+    )