output "frontend_subnet_id" {
  value = google_compute_subnetwork.frontend.id
}

output "backend_subnet_id" {
  value = google_compute_subnetwork.backend.id
}

output "database_subnet_id" {
  value = google_compute_subnetwork.database.id
}

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