update

Dockerfile

@@ -20,7 +20,10 @@ COPY backend /app/backend
 # Copy frontend build into /app/frontend/dist
 COPY --from=frontend-build /frontend/dist /app/frontend/dist
 
+# Set PYTHONPATH to include backend directory
+ENV PYTHONPATH=/app/backend:$PYTHONPATH
+
 # HF Spaces uses port 7860
 EXPOSE 7860
 
-CMD ["uvicorn", "backend.app.main:app", "--host", "0.0.0.0", "--port", "7860"]
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]

backend/app/main.py

@@ -228,7 +228,8 @@ async def generate_campaign(campaign_data: dict):
         raise HTTPException(status_code=500, detail=str(e))
 
 # ---- Frontend static serving ----
-FRONTEND_DIST = Path(__file__).resolve().parents[2] / "frontend" / "dist"
+# Path calculation: /app/backend/app/main.py -> /app/frontend/dist
+FRONTEND_DIST = Path("/app/frontend/dist")
 INDEX_FILE = FRONTEND_DIST / "index.html"
 
 if FRONTEND_DIST.exists():