diff --git a/tp-cloud/terraform/modules/compute/main.tf b/tp-cloud/terraform/modules/compute/main.tf
index e69de29..ef2f343 100644
--- a/tp-cloud/terraform/modules/compute/main.tf
+++ b/tp-cloud/terraform/modules/compute/main.tf
@@ -0,0 +1,80 @@
+
+# Instance front-end
+
+resource "google_compute_instance" "frontend_vm" {
+  name         = "frontend-vm"
+  machine_type = "e2-medium"
+  zone         = "europe-west1-b"
+
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 10
+    }
+  }
+
+  network_interface {
+    access_config {} # IP publique
+    subnetwork = google_compute_subnetwork.subnet_frontend.id
+  }
+
+  tags = ["frontend", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+
+# Instance back-end
+
+resource "google_compute_instance" "backend_vm" {
+  name         = "backend-vm"
+  machine_type = "e2-medium"
+  zone         = "europe-west1-b"
+
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 10
+    }
+  }
+
+  network_interface {
+
+    subnetwork = google_compute_subnetwork.subnet_backend.id
+  }
+
+  tags = ["backend", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+
+
+# Instance data-base
+
+resource "google_compute_instance" "database_vm" {
+  name         = "database-vm"
+  machine_type = "e2-medium"
+  zone         = "europe-west1-b"
+
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 20
+    }
+  }
+
+  network_interface {
+
+    subnetwork = google_compute_subnetwork.subnet_database.id
+  }
+
+  tags = ["database", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+
diff --git a/tp-cloud/terraform/modules/compute/variables.tf b/tp-cloud/terraform/modules/compute/variables.tf
index b4004f7..e6a84de 100644
--- a/tp-cloud/terraform/modules/compute/variables.tf
+++ b/tp-cloud/terraform/modules/compute/variables.tf
@@ -7,21 +7,26 @@
 
 
 variable "instance_type" {
+  description = "type de l'instance" 
   type = string
 }
 
 variable "zone" {
+  description = "région"
   type = string
 }
 
 variable "frontend_subnet_id" {
-  type = number
+  description = "front-end id"
+  type = string
 }
 
 variable "backend_subnet_id" {
-  type = number
+  description = "back-end id"
+  type = string
 }
 
 variable "database_subnet_id" {
-  type = number
+  description = "database id"
+  type = string
 }
diff --git a/tp-cloud/terraform/modules/network/main.tf b/tp-cloud/terraform/modules/network/main.tf
index 05e7fc3..41e1b55 100644
--- a/tp-cloud/terraform/modules/network/main.tf
+++ b/tp-cloud/terraform/modules/network/main.tf
@@ -47,8 +47,8 @@ resource "google_compute_firewall" "allow-http" {
 }
 
 #    - SSH vers toutes les instances
-resource "google_compute_firewall" "vers-instances" {
-  name    = "instances"
+resource "google_compute_firewall" "to-instances" {
+  name    = "to-instances"
   network = google_compute_network.vpc.id
 
   allow {
diff --git a/tp-cloud/terraform/modules/network/outputs.tf b/tp-cloud/terraform/modules/network/outputs.tf
index e8c27c4..678423d 100644
--- a/tp-cloud/terraform/modules/network/outputs.tf
+++ b/tp-cloud/terraform/modules/network/outputs.tf
@@ -2,10 +2,10 @@ output "vpc_terraform_output" {
   value = google_compute_network.vpc.id
 }
 
-output "list_id" {
+output "subnets" {
     value = {
-        frontend = google_compute_network.vpc.id
-        backend = google_compute_network.vpc.id
-        database = google_compute_network.vpc.id
+        frontend = google_compute_subnetwork.subnet_frontend.id
+        backend =  google_compute_subnetwork.subnet_backend.id
+        database = google_compute_subnetwork.subnet_database.id
     }
 }
\ No newline at end of file