This buildpack installs Google Cloud, activates your service account and sets default project and compute zone.
GOOGLE_CREDENTIALS– a base64-encoded Google Cloud service account key file (in JSON format) – see gcloud auth activate-service-account. Given that you have a key filekey-file.json, run the following to encode it in base64 and store the resulting base64 string in config varGOOGLE_CREDENTIALS:
GOOGLE_CREDENTIALS=$(base64 key-file.json)
heroku config:set GOOGLE_CREDENTIALS=$GOOGLE_CREDENTIALSPROJECT– your Google Cloud projectZONE- your Google Cloud compute zoneINSTALL_KUBECTL– if set totrue,kubectlwill also be installed