Hello Miriam, Support for Node-RED is in development stages right now; you may refer to the Node-RED Support Requested <https://issuetracker.google.com/144018820> issue in the Public Issue Tracker. No estimated time to feature implementation has been set. Meanwhile, you may follow developments in the linked PIT thread.
Internet offers various unsupported instructions for Node-RED on App Engine, for instance Node-RED on Google Cloud Platform <https://medium.com/google-cloud/running-node-red-on-google-cloud-platform-under-docker-3d4185e97f28>, or node-red-contrib-google-cloud <https://github.com/GoogleCloudPlatform/node-red-contrib-google-cloud> in GitHub. -- 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 google-appengine+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/9db65d9b-01e2-4322-8497-3834bfa762c8%40googlegroups.com.