build: change startup process

Dockerfile

@@ -11,6 +11,6 @@ WORKDIR /
 RUN pip install --no-cache-dir --upgrade -r /requirements.txt
 
 # Start the FastAPI app on port 7860, the default port expected by Spaces
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
 
 EXPOSE 7860

main.py → app.py

@@ -77,4 +77,4 @@ async def upload(
 # demo.launch(auth=auth if not IS_DEV else None)
 
 if __name__=='__main__':
-    uvicorn.run('main:app', reload=True)
+    uvicorn.run('app:app', reload=True)