Added the option to set the bind address and port.

app.py

@@ -239,5 +239,6 @@ with app.app_context():
     db.create_all()
 
 # Run the Flask app
-if __name__ == "__main__":
+if __name__ == '__main__':
-    app.run(debug=True)
+    app.run(host='127.0.0.1', port=5050, debug=True)
+