Update app.py

app.py

@@ -389,6 +389,6 @@ def seek():
 def health_check():
     return 'Backend is running!', 200
 
-if __name__ == '__main__':
-    #app.run(debug=True, port=4999)
-    app.run(debug=True, port=5000)
+if __name__ == "__main__":
+    port = int(os.environ.get("PORT", 7860))
+    app.run(host="0.0.0.0", port=port, debug=False)