Hmm ok I have an idea of how to solve this but requires a little more from app.yaml
Is it possible to change the command that app.yaml uses to start your app? Currently it calls "npm run start". -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/eba1ccdb-7126-44cc-88b0-fe4521d948dc%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
