Try Gradio mounting

gradio_app.py

@@ -0,0 +1,14 @@
+import gradio as gr
+import sys
+sys.path.insert(0, '/app')
+from app_v2_entry import app as fastapi_app
+
+# Mount FastAPI under Gradio
+demo = gr.mount_gradio_app(
+    fastapi_app,
+    path="/api",
+    show_error=True
+)
+
+if __name__ == "__main__":
+    demo.launch(server_port=7860)