output "vpc_id" {
  description = "ID du VPC créé."
  value       = google_compute_network.vpc.id
}




output "subnet_ids" {
  description = "Map des IDs des sous-réseaux : frontend, backend, database."
  value = {
    frontend = google_compute_subnetwork.frontend.id
    backend  = google_compute_subnetwork.backend.id
    database = google_compute_subnetwork.database.id
  }
}