but3-iac/tp-cloud/terraform/modules/network/outputs.tf

output "vpc_id" {
  value = google_compute_network.vpc.id
}

output "subnets_ids" {
  value = [
    google_compute_subnetwork.frontend.id,
    google_compute_subnetwork.backend.id,
    google_compute_subnetwork.database.id
  ]
}