Error: Error resolving image name 'debian-cloud/debian-9': Could not find image or family debian-cloud/debian9
with google_compute_instance.vault, on main.tf line 12, in resource "google_compute_instance" "vault": 12: resource "google_compute_instance" "vault"
Updating the version to 10 does resolve the issue.
The current version fails with:
Updating the version to 10 does resolve the issue.