feat: integrate FastAPI with Gradio app - both UI and API now run together

app.py

@@ -250,4 +250,16 @@ with gr.Blocks(title="Video Face Swap", theme=gr.themes.Soft()) as demo:
     demo.queue()
 
 if __name__ == "__main__":
-    demo.launch()
+    import threading
+    import uvicorn
+    from api.main import app as api_app
+    
+    # Start FastAPI server in background thread
+    def run_api():
+        uvicorn.run(api_app, host="0.0.0.0", port=8000)
+    
+    api_thread = threading.Thread(target=run_api, daemon=True)
+    api_thread.start()
+    
+    # Launch Gradio app
+    demo.launch(server_port=7860)

requirements.txt

@@ -9,4 +9,11 @@ insightface==0.7.3
 onnxruntime==1.17.3
 psutil==5.9.5
 tqdm==4.65.0
-huggingface_hub>=0.23.0
+huggingface_hub>=0.23.0
+fastapi==0.104.1
+uvicorn[standard]==0.24.0
+python-multipart==0.0.6
+motor==3.3.2
+pymongo==4.6.0
+python-dotenv==1.0.0
+dnspython==2.4.2