Being a member of the Professional or Enterprise tier allows the user to directly push baked golden images to specified projects. This feature requires adding the Bytes Bakery Service Account to the user's GCP project.
GCP Documentation on Sharing Images and Snapshots.
Our service account: firstname.lastname@example.org
gcloud projects add-iam-policy-binding [PROJECT_ID] \ --member [MEMBER_TYPE]:[ACCOUNT] --role [ROLE]