Update app.py

app.py

@@ -113,4 +113,7 @@ def tryon():
 
 
 if __name__ == "__main__":
-    app.run(debug=True, host="0.0.0.0", port=5000)
+    import os
+    port = int(os.environ.get("PORT", 5000))
+    app.run(host="0.0.0.0", port=port, debug=False)
+