Correction variables

terraform/modules/compute/main.tf

@@ -0,0 +1,71 @@
+resource "google_compute_instance" "vm_front" {
+  name         = "frontend-vm"
+  machine_type = var.instance_type
+  zone         = var.zone
+
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 10
+    }
+  }
+
+  network_interface {
+    subnetwork = var.frontend_subnet
+    access_config {} # IP publique
+  }
+
+  tags = ["frontend", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+
+resource "google_compute_instance" "vm_back" {
+  name         = "backend-vm"
+  machine_type = var.instance_type
+  zone         = var.zone
+
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 10
+    }
+  }
+
+  network_interface {
+    subnetwork = var.backend_subnet
+    access_config {} # IP publique
+  }
+
+  tags = ["backend", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+
+resource "google_compute_instance" "vm_db" {
+  name         = "database-vm"
+  machine_type = var.instance_type
+  zone         = var.zone
+
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 10
+    }
+  }
+
+  network_interface {
+    subnetwork = var.database_subnet
+    access_config {} # IP publique
+  }
+
+  tags = ["database", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}