diff --git a/terraform/environments/dev/main.tf b/terraform/environments/dev/main.tf
index 5387a8a..6306a77 100644
--- a/terraform/environments/dev/main.tf
+++ b/terraform/environments/dev/main.tf
@@ -25,4 +25,17 @@ module "network" {
   backend_cidr = var.backend_cidr
   database_cidr = var.database_cidr
   ssh_source_ranges = var.ssh_source_ranges
+}
+
+module "compute" {
+  source = "../../modules/compute"
+  
+  # Variables d'en"trée
+  instance_type = "e2-micro"
+  zone = "europe-west1-a"
+
+  # Autres variables spécifiques au module
+  frontend_subnet_id = module.network.id_subnetwork["frontend"]
+  backend_subnet_id = module.network.id_subnetwork["backend"]
+  database_subnet_id = module.network.id_subnetwork["database"]
 }
\ No newline at end of file
diff --git a/terraform/modules/compute/main.tf b/terraform/modules/compute/main.tf
index e69de29..52a54c6 100644
--- a/terraform/modules/compute/main.tf
+++ b/terraform/modules/compute/main.tf
@@ -0,0 +1,69 @@
+resource "google_compute_instance" "vmfrontend" {
+  name         = "ma-vm-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
+  }
+
+  tags = ["frontend", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+
+resource "google_compute_instance" "vmbackend" {
+  name         = "ma-vm-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
+  }
+
+  tags = ["backend", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+
+resource "google_compute_instance" "vmdatabase" {
+  name         = "ma-vm-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
+  }
+
+  tags = ["database", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
\ No newline at end of file
diff --git a/terraform/modules/compute/variables.tf b/terraform/modules/compute/variables.tf
index e69de29..8e0fd0b 100644
--- a/terraform/modules/compute/variables.tf
+++ b/terraform/modules/compute/variables.tf
@@ -0,0 +1,24 @@
+
+variable "instance_type" {
+  description = "type d'instance"
+  type        = string
+}
+
+variable "zone" {
+  description = "zone du projet"
+  type        = string
+}
+
+variable "frontend_subnet_id" {
+  description = "id du subnet du frontend projet"
+  type        = string
+}
+
+variable "backend_subnet_id" {
+  description = "id du subnet du backend projet"
+  type        = string
+}
+variable "database_subnet_id" {
+  description = "id du subnet du database projet"
+  type        = string
+}
\ No newline at end of file
diff --git a/terraform/modules/network/main.tf b/terraform/modules/network/main.tf
index bf5f858..61cc3fa 100644
--- a/terraform/modules/network/main.tf
+++ b/terraform/modules/network/main.tf
@@ -34,7 +34,7 @@ resource "google_compute_firewall" "allow-http-https" {
   }
 
   source_ranges = ["0.0.0.0/0"]
-  target_tags   = ["web"]
+  target_tags   = ["frontend"]
 }
 
 resource "google_compute_firewall" "allow-ssh" {
diff --git a/terraform/modules/network/outputs.tf b/terraform/modules/network/outputs.tf
index e69de29..53a163c 100644
--- a/terraform/modules/network/outputs.tf
+++ b/terraform/modules/network/outputs.tf
@@ -0,0 +1,11 @@
+output "id_vpc" {
+  value = google_compute_network.vpc.id
+}
+
+output "id_subnetwork" {
+  value = {
+    frontend = google_compute_subnetwork.frontend.id,
+    backend = google_compute_subnetwork.backend.id,
+    database = google_compute_subnetwork.database.id
+  }
+}
\ No newline at end of file