It all depends on how much familiarity you have with the environment into which you are deploying, and how much support you can get from whoever wrote that guide. It seems unlikely that you’ll be able to get much help here on the nuances of such a configuration.
Est-ce que la configuration de Discourse via l’environnement App Engine Flex à partir du Cloud Shell reste une tâche difficile ? Quelqu’un a-t-il réussi à installer Discourse en utilisant App Engine Flex ?