diff --git a/terraform/environments/dev/main.tf b/terraform/environments/dev/main.tf
index c1d85fe..356d1f4 100644
--- a/terraform/environments/dev/main.tf
+++ b/terraform/environments/dev/main.tf
@@ -21,4 +21,14 @@ module "network" {
   backend_cidr     = var.backend_cidr
   database_cidr    = var.database_cidr
   ssh_source_ranges = var.ssh_source_ranges
+}
+
+module "compute" {
+  source = "../../modules/compte"
+
+  instance_type = var.instance_type
+  zone = var.zone
+  frontend_subnet_id = var.frontend_subnet_id
+  backend_subnet_id = var.backend_subnet_id
+  database_subnet_id = var.database_subnet_id
 }
\ No newline at end of file
diff --git a/terraform/environments/dev/variables.tf b/terraform/environments/dev/variables.tf
index 3e49b06..cd24df4 100644
--- a/terraform/environments/dev/variables.tf
+++ b/terraform/environments/dev/variables.tf
@@ -39,4 +39,18 @@ variable "project_id" {
   description = "id du projet"
   type        = string
   default     = "model-cirrus-478713-u8"
-}
\ No newline at end of file
+}
+
+
+variable "instance_type" {
+  description = "Nom du projet cidr"
+  type        = string
+  default = ""
+}
+
+
+variable "zone" {
+  description = "Nom du projet cidr"
+  type        = string
+  default = "value"
+}
diff --git a/terraform/modules/compute/main.tf b/terraform/modules/compute/main.tf
index e69de29..92db240 100644
--- a/terraform/modules/compute/main.tf
+++ b/terraform/modules/compute/main.tf
@@ -0,0 +1,100 @@
+# À vous de créer :
+
+# 1. Instance frontend :
+#    - Image : debian-11
+#    - Disque : 10GB
+#    - IP publique
+#    - Tags : frontend, ssh
+#    - OS Login enabled
+
+# 2. Instance backend :
+#    - Image : debian-11
+#    - Disque : 10GB
+#    - Pas d'IP publique (interne seulement)
+#    - Tags : backend, ssh
+#    - OS Login enabled
+
+# 3. Instance database :
+#    - Image : debian-11
+#    - Disque : 20GB
+#    - Pas d'IP publique
+#    - Tags : database, ssh
+#    - OS Login enabled
+
+
+
+
+
+resource "google_compute_instance" "vm_frontend" {
+  name         = "frontend"
+  machine_type = "e2-medium"
+  zone         = var.zone
+
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 10
+    }
+  }
+
+  network_interface {
+    access_config {} # IP publique
+    subnetwork = google_compute_subnetwork.subnet.id
+  }
+
+  tags = ["frontend", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+
+
+
+resource "google_compute_instance" "vm_backend" {
+  name         = "ma-vm"
+  machine_type = "e2-medium"
+  zone         = var.zone
+
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 10
+    }
+  }
+
+  network_interface {
+    subnetwork = google_compute_subnetwork.subnet.id
+  }
+
+  tags = ["backend", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+
+
+
+resource "google_compute_instance" "vm_database" {
+  name         = "ma-vm"
+  machine_type = "e2-medium"
+  zone         = var.zone
+
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 20
+    }
+  }
+
+  network_interface {
+    subnetwork = google_compute_subnetwork.subnet.id
+  }
+
+  tags = ["database", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
diff --git a/terraform/modules/compute/outputs.tf b/terraform/modules/compute/outputs.tf
index e69de29..358b3dc 100644
--- a/terraform/modules/compute/outputs.tf
+++ b/terraform/modules/compute/outputs.tf
@@ -0,0 +1,28 @@
+# À vous d'exposer :
+# 1. Les IPs internes de toutes les instances
+# 2. L'IP publique du frontend
+# 3. Les noms des instances
+
+
+output "instance_internal_ips" {
+  description = "IPs internes de toutes les instances"
+  value = {
+    frontend = google_compute_instance.vm_frontend.network_interface[0].network_ip
+    backend  = google_compute_instance.vm_backend.network_interface[0].network_ip
+    database = google_compute_instance.vm_database.network_interface[0].network_ip
+  }
+}
+
+output "frontend_public_ip" {
+  description = "IP publique de l'instance frontend"
+  value       = google_compute_instance.vm_frontend.network_interface[0].access_config[0].nat_ip
+}
+
+output "instance_names" {
+  description = "Noms de toutes les instances"
+  value = {
+    frontend = google_compute_instance.vm_frontend.name
+    backend  = google_compute_instance.vm_backend.name
+    database = google_compute_instance.vm_database.name
+  }
+}
\ No newline at end of file
diff --git a/terraform/modules/compute/variables.tf b/terraform/modules/compute/variables.tf
index e69de29..23b8058 100644
--- a/terraform/modules/compute/variables.tf
+++ b/terraform/modules/compute/variables.tf
@@ -0,0 +1,40 @@
+# À vous de définir les variables pour :
+# - instance_type
+# - zone
+# - frontend_subnet_id
+# - backend_subnet_id
+# - database_subnet_id
+
+variable "instance_type" {
+  description = "Nom du projet cidr"
+  type        = string
+}
+
+
+variable "zone" {
+  description = "Nom du projet cidr"
+  type        = string
+}
+
+
+variable "frontend_subnet_id" {
+  description = "Nom du projet cidr"
+  type        = string
+}
+
+
+
+variable "backend_subnet_id" {
+  description = "Nom du projet cidr"
+  type        = string
+}
+
+
+variable "database_subnet_id" {
+  description = "Nom du projet cidr"
+  type        = string
+}
+
+
+
+