instance.tf

terraform {
  required_providers {
    google = {
      source = "hashicorp/google"
      version = "3.59.0"
    }
  }
}

provider "google" {
  # Configuration options
  project     = "exemplary-range-307305"
  region      = "us-central1"
  zone      = "us-central1-a"
}

resource "google_compute_instance" "terraform-vm" {
  name = "terraform-vm"
  machine_type = "e2-small"
  // 2vCPU, 2GB RAM
  #machine_type = "e2-medium" // 2vCPU, 4GB RAM
  #machine_type = "custom-6-20480" // 6vCPU, 20GB RAM / 6.5GB RAM per CPU, if needed more refer to next line
  #machine_type = "custom-2-15360-ext" // 2vCPU, 15GB RAM

  #tags = ["terraform", "template"]
  allow_stopping_for_update = true

  boot_disk {
    initialize_params {
      size = "10"
      // size in GB for Disk
      type = "pd-balanced"
      // Available options: pd-standard, pd-balanced, pd-ssd
      image = "ubuntu-os-cloud/ubuntu-2004-lts"
    }
  }

  network_interface {
    network = "default"

    access_config {
      // Ephemeral IP and external static IP
      #nat_ip = google_compute_address.static.address
    }
  }

  metadata = {
    ssh-keys = "root:${file("/root/.ssh/id_rsa.pub")}"
    // Point to ssh public key for user root
  }
}