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

resource "google_compute_instance" "frontend" {
  name         = "frontend-instance"
  machine_type = var.instance_type
  zone         = var.zone

  tags = ["frontend", "ssh"]

 
  network_interface {
    subnetwork = var.frontend_subnet_id


    access_config {}
  }

  boot_disk {
    initialize_params {
      image = "debian-cloud/debian-11"
      size  = 10
    }
  }

  metadata = {
    enable-oslogin = "TRUE"
  }
}


resource "google_compute_instance" "backend" {
  name         = "backend-instance"
  machine_type = var.instance_type
  zone         = var.zone

  tags = ["backend", "ssh"]

 
  network_interface {
    subnetwork = var.backend_subnet_id

 
  }

  boot_disk {
    initialize_params {
      image = "debian-cloud/debian-11"
      size  = 10
    }
  }

  metadata = {
    enable-oslogin = "TRUE"
  }
}


resource "google_compute_instance" "database" {
  name         = "database-instance"
  machine_type = var.instance_type
  zone         = var.zone

  tags = ["database", "ssh"]

 
  network_interface {
    subnetwork = var.database_subnet_id

 
  }

  boot_disk {
    initialize_params {
      image = "debian-cloud/debian-11"
      size  = 20
    }
  }

  metadata = {
    enable-oslogin = "TRUE"
    environment    = "dev"
    owner          = "clemence"
  }
}