output "vm_name" {
  value = {
    frontend = google_compute_instance.vmfrontend.name,
    backend = google_compute_instance.vmbackend.name,
    database = google_compute_instance.vmdatabase.name
  }
}

output "frontend_public_ip" {
    value = google_compute_instance.vmfrontend.network_interface[0].access_config[0].nat_ip
}

output "private_ip" {
    value = {
        frontend = google_compute_instance.vmfrontend.network_interface[0].network_ip,
        backend = google_compute_instance.vmbackend.network_interface[0].network_ip,
        database = google_compute_instance.vmdatabase.network_interface[0].network_ip
    }
}