but3-iac/terraform/modules/compute/outputs.tf

# output "instance_ip" {
#   value = google_compute_instance.main.network_interface[0].access_config[0].nat_ip
# }

output "instance_internal_ips" {
  description = "IPs internes de toutes les instances"
  value = {
    frontend = google_compute_instance.vm_frontend.network_interface[0].network_ip
    backend  = google_compute_instance.vm_backend.network_interface[0].network_ip
    database = google_compute_instance.vm_database.network_interface[0].network_ip
  }
}

output "frontend_public_ip" {
  description = "IP publique de l'instance frontend"
  value       = google_compute_instance.vm_frontend.network_interface[0].access_config[0].nat_ip
}

output "instance_names" {
  description = "Noms de toutes les instances"
  value = {
    frontend = google_compute_instance.vm_frontend.name
    backend  = google_compute_instance.vm_backend.name
    database = google_compute_instance.vm_database.name
  }
}