diff --git a/terraform/modules/compute/main.tf b/terraform/modules/compute/main.tf
index 5bb9037..37f0699 100644
--- a/terraform/modules/compute/main.tf
+++ b/terraform/modules/compute/main.tf
@@ -20,4 +20,53 @@ resource "google_compute_instance" "tp07-frontend" {
   metadata = {
     enable-oslogin = "TRUE"
   }
-}
\ No newline at end of file
+}
+
+resource "google_compute_instance" "tp07-backend" {
+  name         = "tp07-backend"
+  machine_type = var.instance_type
+  zone         = var.zone
+
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 10
+    }
+  }
+
+  network_interface {
+    subnetwork = var.tp07-backend
+    access_config {} # IP publique
+  }
+
+  tags = ["backend", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+
+resource "google_compute_instance" "tp07-database" {
+  name         = "tp07-database"
+  machine_type = var.instance_type
+  zone         = var.zone
+
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 10
+    }
+  }
+
+  network_interface {
+    subnetwork = var.tp07-database
+    access_config {} # IP publique
+  }
+
+  tags = ["database", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+