on espere ca va marcher

terraform/modules/compute/main.tf

@@ -0,0 +1,71 @@
+resource "google_compute_instance" "frontend" {
+  name         = "frontend"
+  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_id
+    access_config {} # IP publique
+  }
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+
+  tags = ["frontend", "ssh"]
+}
+
+resource "google_compute_instance" "backend" {
+  name         = "backend"
+  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_id
+    # Pas d'IP publique
+  }
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+
+  tags = ["backend", "ssh"]
+}
+
+resource "google_compute_instance" "database" {
+  name         = "database"
+  machine_type = var.instance_type
+  zone         = var.zone
+
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 20
+    }
+  }
+
+  network_interface {
+    subnetwork = var.database_subnet_id
+    # Pas d'IP publique
+  }
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+
+  tags = ["database", "ssh"]
+}

terraform/modules/compute/outputs.tf

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+output "frontend_internal_ip" {
+  value = google_compute_instance.frontend.network_interface[0].network_ip
+}
+
+output "backend_internal_ip" {
+  value = google_compute_instance.backend.network_interface[0].network_ip
+}
+
+output "database_internal_ip" {
+  value = google_compute_instance.database.network_interface[0].network_ip
+}
+
+output "frontend_public_ip" {
+  value = google_compute_instance.frontend.network_interface[0].access_config[0].nat_ip
+}
+
+output "instance_names" {
+  value = [
+    google_compute_instance.frontend.name,
+    google_compute_instance.backend.name,
+    google_compute_instance.database.name
+  ]
+}

terraform/modules/compute/variables.tf

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+variable "instance_type" {
+  description = "Type de machine pour les instances"
+  type        = string
+  default     = "e2-medium"
+}
+
+variable "zone" {
+  description = "Zone où seront déployées les instances"
+  type        = string
+  default     = "europe-west1-b"
+}
+
+variable "frontend_subnet_id" {
+  description = "ID du subnet pour le frontend"
+  type        = string
+}
+
+variable "backend_subnet_id" {
+  description = "ID du subnet pour le backend"
+  type        = string
+}
+
+variable "database_subnet_id" {
+  description = "ID du subnet pour la base de données"
+  type        = string
+}