Update app.py

app.py

@@ -1,6 +1,7 @@
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 import uvicorn
+import os
 
 app = FastAPI()
 
@@ -19,6 +20,7 @@ def home():
 def test():
     return {"result": 123}
 
-# This is important for Hugging Face Spaces
+# This is critical for Hugging Face Spaces
 if __name__ == "__main__":
-    uvicorn.run(app, host="0.0.0.0", port=7860)
+    port = int(os.getenv("PORT", 7860))
+    uvicorn.run(app, host="0.0.0.0", port=port)