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

locals {
  image = "debian-cloud/debian-11"
}

#############################
# FRONTEND
#############################
resource "google_compute_instance" "frontend" {
  name         = "frontend-instance"
  project      = var.projet_name
  zone         = var.zone
  machine_type = var.instance_type

  tags = ["frontend", "ssh"]

  boot_disk {
    initialize_params {
      image = local.image
      size  = 10
    }
  }

  network_interface {
    subnetwork = var.frontend_subnet_id
    access_config {}
  }

  metadata = {
    enable-oslogin = tostring(var.os_login)
  }
}

#############################
# BACKEND
#############################
resource "google_compute_instance" "backend" {
  name         = "backend-instance"
  project      = var.projet_name
  zone         = var.zone
  machine_type = var.instance_type

  tags = ["backend", "ssh"]

  boot_disk {
    initialize_params {
      image = local.image
      size  = 10
    }
  }

  network_interface {
    subnetwork = var.backend_subnet_id
  }

  metadata = {
    enable-oslogin = tostring(var.os_login)
  }
}

#############################
# DATABASE
#############################
resource "google_compute_instance" "database" {
  name         = "database-instance"
  project      = var.projet_name
  zone         = var.zone
  machine_type = var.instance_type

  tags = ["database", "ssh"]

  boot_disk {
    initialize_params {
      image = local.image
      size  = 20
    }
  }

  network_interface {
    subnetwork = var.database_subnet_id
  }

  metadata = {
    enable-oslogin = tostring(var.os_login)
  }
}