I'm trying to add the needed roles for a CI pipeline to automatically deploy to firebase (by running firebase deploy.
The roles I've added so far are:
Honnestly at this point I'm just adding what sounds good, as the error message is not helpful:
There was an issue deploying your functions. Verify that your project has a Google App Engine instance setup at https://console.cloud.google.com/appengine and try again. If this issue persists, please contact support.
It works when adding the Owner permission, so this is a permission issue.
As you want to deploy the entire project, the most applicable role would be Firebase Admin.
I use it in portuguese, so the translation in english may be different.