diff --git a/terraform/environments/dev/variables.tf b/terraform/environments/dev/variables.tf
index 075accd..be0ce47 100644
--- a/terraform/environments/dev/variables.tf
+++ b/terraform/environments/dev/variables.tf
@@ -1,5 +1,11 @@
 # définissez toutes les variables nécessaires avec des valeurs par défaut appropriées.
 
+# variable "project_id" {
+#   description = "ID du projet GCP"
+#   type        = string
+#   default     = "mon-projet"
+# }
+
 variable "project_name" {
   description = "Nom du projet"
   type        = string
diff --git a/terraform/modules/compute/main.tf b/terraform/modules/compute/main.tf
index a4f4814..fb71e07 100644
--- a/terraform/modules/compute/main.tf
+++ b/terraform/modules/compute/main.tf
@@ -1,22 +1,100 @@
-# À vous de créer :
+# resource "google_compute_instance" "vm" {
+#   name         = "ma-vm"
+#   machine_type = "e2-medium"
+#   zone         = "europe-west1-b"
 
-# 1. Instance frontend :
-#    - Image : debian-11
-#    - Disque : 10GB
-#    - IP publique
-#    - Tags : frontend, ssh
-#    - OS Login enabled
+#   boot_disk {
+#     initialize_params {
+#       image = "debian-cloud/debian-11"
+#       size  = 10
+#     }
+#   }
 
-# 2. Instance backend :
-#    - Image : debian-11
-#    - Disque : 10GB
-#    - Pas d'IP publique (interne seulement)
-#    - Tags : backend, ssh
-#    - OS Login enabled
+#   network_interface {
+#     access_config {} # IP publique
+#     subnetwork = google_compute_subnetwork.subnet.id
+#   }
 
-# 3. Instance database :
-#    - Image : debian-11
-#    - Disque : 20GB
-#    - Pas d'IP publique
-#    - Tags : database, ssh
-#    - OS Login enabled
\ No newline at end of file
+#   tags = ["web", "app"]
+
+#   metadata = {
+#     enable-oslogin = "TRUE"
+#   }
+# }
+
+resource "google_compute_instance" "vm_frontend" {
+  name         = "frontend-instance"
+  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 {}  
+  }
+
+  tags= ["frontend", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+
+resource "google_compute_instance" "vm_backend" {
+  name         = "backend-instance"
+  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" "vm_database" {
+  name         = "database-instance"
+  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"
+  }
+}
diff --git a/terraform/modules/compute/outputs.tf b/terraform/modules/compute/outputs.tf
index 4a91aa9..14a1593 100644
--- a/terraform/modules/compute/outputs.tf
+++ b/terraform/modules/compute/outputs.tf
@@ -1,4 +1,24 @@
-# À vous d'exposer :
-# 1. Les IPs internes de toutes les instances
-# 2. L'IP publique du frontend
-# 3. Les noms des instances
\ No newline at end of file
+# output "instance_ip" {
+#   value = google_compute_instance.main.network_interface[0].access_config[0].nat_ip
+# }
+
+
+output "ip_internes" {
+  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 "ip_public_frontend" {
+  value = google_compute_instance.vm_frontend.network_interface[0].access_config[0].nat_ip
+}
+
+output "nom_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 76a14cc..a708ea7 100644
--- a/terraform/modules/compute/variables.tf
+++ b/terraform/modules/compute/variables.tf
@@ -1,6 +1,33 @@
-# À vous de définir les variables pour :
-# - instance_type
-# - zone
-# - frontend_subnet_id
-# - backend_subnet_id
-# - database_subnet_id
\ No newline at end of file
+# variable "project_id" {
+#   description = "ID du projet GCP"
+#   type        = string
+#   default     = "mon-projet"
+# } 
+
+variable "instance_type" {
+  description = "Type de machine à utiliser pour les instances"
+  type        = string
+  
+}
+
+variable "zone" {
+  description = "Zone où déployer les instances"
+  type        = string
+}
+
+variable "frontend_subnet_id" {
+  description = "ID du sous-réseau frontend"
+  type        = string
+}
+
+variable "backend_subnet_id" {
+  description = "ID du sous-réseau backend"
+  type        = string
+}
+
+variable "database_subnet_id" {
+  description = "ID du sous-réseau database"
+  type        = string
+}
+
+
diff --git a/terraform/modules/network/main.tf b/terraform/modules/network/main.tf
index 25062bd..27b15f1 100644
--- a/terraform/modules/network/main.tf
+++ b/terraform/modules/network/main.tf
@@ -1,19 +1,20 @@
-# À vous de créer :
-# 1. Un VPC personnalisé avec auto_create_subnetworks = false
-# 2. Trois sous-réseaux (frontend, backend, database)
-# 3. Règles de firewall :
-#    - HTTP/HTTPS vers frontend
-#    - SSH vers toutes les instances
-#    - Port 8000 de frontend vers backend
-#    - Port 3306 de backend vers database
-
-# VPC
+# # VPC
+# resource "google_compute_network" "vpc" {
+#   name                    = "mon-vpc"
+#   auto_create_subnetworks = false
+# }
 resource "google_compute_network" "vpc_terraform" {
   name                    = "vpc-terraform"
   auto_create_subnetworks = false
 }
 
-# Sous-réseau
+# # Sous-réseau
+# resource "google_compute_subnetwork" "subnet" {
+#   name          = "mon-subnet"
+#   network       = google_compute_network.vpc.id
+#   ip_cidr_range = "10.0.1.0/24"
+#   region        = "europe-west1"
+# }
 resource "google_compute_subnetwork" "subnet_frontend" {
   name          = "frontend"
   network       = google_compute_network.vpc_terraform.id
@@ -35,6 +36,19 @@ resource "google_compute_subnetwork" "subnet_database" {
   region        = var.region
 }
 
+# resource "google_compute_firewall" "allow_http" {
+#   name    = "allow-http"
+#   network = google_compute_network.vpc.id
+
+#   allow {
+#     protocol = "tcp"
+#     ports    = ["80", "443"]
+#   }
+
+#   source_ranges = ["0.0.0.0/0"]
+#   target_tags   = ["web"]
+# }
+
 resource "google_compute_firewall" "allow_user_frontend" {
   name    = "allow-user-frontend"
   network = google_compute_network.vpc_terraform.id
diff --git a/terraform/modules/network/outputs.tf b/terraform/modules/network/outputs.tf
index 078bc94..75f811e 100644
--- a/terraform/modules/network/outputs.tf
+++ b/terraform/modules/network/outputs.tf
@@ -1,12 +1,14 @@
-# À vous d'exposer :
-# 1. L'ID du VPC
-# 2. Les IDs des sous-réseaux sous forme de map
+# output "instance_ip" {
+#   value = google_compute_instance.main.network_interface[0].access_config[0].nat_ip
+# }
 
 output "vpc_terraform_output" {
+  description = "ID du VPC crée "
   value = google_compute_network.vpc_terraform.id
 }
 
 output "list_id" {
+  description = "Map des IDS des osus réseaux "
     value = {
         frontend = google_compute_subnetwork.subnet_frontend.id
         backend = google_compute_subnetwork.subnet_backend.id
diff --git a/terraform/modules/network/variables.tf b/terraform/modules/network/variables.tf
index 36786d4..c492c89 100644
--- a/terraform/modules/network/variables.tf
+++ b/terraform/modules/network/variables.tf
@@ -1,10 +1,8 @@
-# À vous de définir les variables pour :
-# - project_name (string)
-# - region (string)
-# - frontend_cidr (string)
-# - backend_cidr (string)
-# - database_cidr (string)
-# - ssh_source_ranges (string)
+# variable "project_id" {
+#   description = "ID du projet GCP"
+#   type        = string
+#   default     = "mon-projet"
+# }
 
 variable "project_name" {
   description = "Nom du projet"