terraform_instance_with_dns.tf

provider "google" {
  credentials = "${file("account.json")}"
  project     = "#####fill it out#####"
  region      = "europe-west1"
  zone		  = "europe-west1-b"
}

resource "google_compute_firewall" "tsm-allow-dns" {
  name    = "firewall-dns"
  network = "${google_compute_network.default.name}"

  allow {
    protocol = "tcp"
    ports    = ["53", "22"]
  }

  allow {
    protocol = "udp"
    ports    = ["53"]
  }

  #source_tags = ["dns", "ssh"]
}

resource "google_compute_network" "default" {
  name = "dns-network"
}



resource "google_compute_instance" "vm_instance" {
  name         = "coredns-config-test"
  machine_type = "f1-micro"

  boot_disk {
    initialize_params {
      image = "debian-cloud/debian-9"
    }
  }

  network_interface {
    # A default network is created for all GCP projects
    network       = "${google_compute_network.default.name}"
    #network       = "default"
    
    access_config {
    }
  }
}