diff --git a/tp-cloud/terraform/environments/dev/main.tf b/tp-cloud/terraform/environments/dev/main.tf
index 5387a8a..be99e91 100644
--- a/tp-cloud/terraform/environments/dev/main.tf
+++ b/tp-cloud/terraform/environments/dev/main.tf
@@ -25,4 +25,14 @@ module "network" {
   backend_cidr = var.backend_cidr
   database_cidr = var.database_cidr
   ssh_source_ranges = var.ssh_source_ranges
+}
+
+module "compute" {
+  source = "../../modules/compute"
+
+  instance_type = "e2-micro"
+  zone ="europe-west4"
+  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/tp-cloud/terraform/environments/dev/variables.tf b/tp-cloud/terraform/environments/dev/variables.tf
index e6e7f9b..9278c7e 100644
--- a/tp-cloud/terraform/environments/dev/variables.tf
+++ b/tp-cloud/terraform/environments/dev/variables.tf
@@ -4,36 +4,42 @@ variable "project_name" {
   type        = string
   default     = "tp-1-docker"
 }
+
 #- project_id (string)
 variable "project_id" {
   description = "ID du projet"
   type        = string
   default     = "tp-1-docker"
 }
+
 # - region (string)
 variable "region" {
   description = "Région du projet"
   type        = string
   default     = "europe-west4"
 }
+
 # - frontend_cidr (string)
 variable "frontend_cidr" {
   description = "cidr du frontend"
   type        = string
   default     = "10.0.1.0/24"
 }
+
 # - backend_cidr (string)
 variable "backend_cidr" {
   description = "cidr du backend"
   type        = string
   default     = "10.0.2.0/24"
 }
+
 # - database_cidr (string)
 variable "database_cidr" {
   description = "cidr du database"
   type        = string
   default     = "10.0.3.0/24"
 }
+
 # - ssh_source_ranges (string)
 variable "ssh_source_ranges" {
   description = "Accès à internet"
diff --git a/tp-cloud/terraform/modules/compute/main.tf b/tp-cloud/terraform/modules/compute/main.tf
index e69de29..c92a231 100644
--- a/tp-cloud/terraform/modules/compute/main.tf
+++ b/tp-cloud/terraform/modules/compute/main.tf
@@ -0,0 +1,69 @@
+resource "google_compute_instance" "frontend" {
+  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" "backend" {
+  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" "database" {
+  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/tp-cloud/terraform/modules/compute/variables.tf b/tp-cloud/terraform/modules/compute/variables.tf
index e69de29..6840a39 100644
--- a/tp-cloud/terraform/modules/compute/variables.tf
+++ b/tp-cloud/terraform/modules/compute/variables.tf
@@ -0,0 +1,26 @@
+variable "instance_type" {
+  description = "les types d'instances"
+  type        = string
+  default     = "e2-micro"
+}
+
+variable "zone" {
+  description = "zone des instances"
+  type        = string
+  default     = "europe-west4"
+}
+
+variable "frontend_subnet_id" {
+  description = "L'identifiant du subnet utilisé pour le frontend"
+  type        = string
+}
+
+variable "backend_subnet_id" {
+  description = "L'identifiant du subnet utilisé pour le backend"
+  type        = string
+}
+
+variable "database_subnet_id" {
+  description = "L'identifiant du subnet utilisé pour la database"
+  type        = string
+}
\ No newline at end of file
diff --git a/tp-cloud/terraform/modules/network/main.tf b/tp-cloud/terraform/modules/network/main.tf
index cb2b5f9..9b1ee92 100644
--- a/tp-cloud/terraform/modules/network/main.tf
+++ b/tp-cloud/terraform/modules/network/main.tf
@@ -38,7 +38,7 @@ resource "google_compute_firewall" "allow_http" {
   }
 
   source_ranges = ["0.0.0.0/0"]
-  target_tags   = ["web"]
+  target_tags   = ["frontend"]
 }
 
 resource "google_compute_firewall" "allow_https" {
@@ -51,7 +51,7 @@ resource "google_compute_firewall" "allow_https" {
   }
 
   source_ranges = ["0.0.0.0/0"]
-  target_tags   = ["web"]
+  target_tags   = ["frontend"]
 }
 
 resource "google_compute_firewall" "allow_ssh" {
@@ -77,7 +77,7 @@ resource "google_compute_firewall" "allow_frontend_to_backend" {
   }
 
   source_ranges = [var.frontend_cidr]
-  target_tags   = ["web"]
+  target_tags   = ["backend"]
 }
 
 resource "google_compute_firewall" "allow-sql" {
@@ -90,5 +90,5 @@ resource "google_compute_firewall" "allow-sql" {
   }
 
   source_ranges = [var.backend_cidr]
-  target_tags   = ["web"]
+  target_tags   = ["database"]
 }
\ No newline at end of file
diff --git a/tp-cloud/terraform/modules/network/outputs.tf b/tp-cloud/terraform/modules/network/outputs.tf
index e69de29..f0793a5 100644
--- a/tp-cloud/terraform/modules/network/outputs.tf
+++ b/tp-cloud/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_network.frontend.id,
+        backend=google_compute_network.backend.id,
+        database=google_compute_network.database.id
+    }
+}
\ No newline at end of file