Update app.py

app.py

@@ -13,7 +13,7 @@ app = FastAPI()
 # Configure CORS
 app.add_middleware(
     CORSMiddleware,
-    allow_origins=["*"],  # Allows all origins
+    allow_origins=["https://chatzl.github.io"],  # Allows only this origin
     allow_credentials=True,
     allow_methods=["*"],  # Allows all methods
     allow_headers=["*"],  # Allows all headers