diff --git a/terraform/environments/dev/main.tf b/terraform/environments/dev/main.tf
index ad71599..d85ea2a 100644
--- a/terraform/environments/dev/main.tf
+++ b/terraform/environments/dev/main.tf
@@ -15,23 +15,23 @@ provider "google" {
 module "network" {
   source            = "../../modules/network"
   project_name      = var.project_name
-  region            = var.region
-  frontend_cidr     = var.frontend_cidr
-  backend_cidr      = var.backend_cidr
-  database_cidr     = var.database_cidr
+  region           = var.region
+  frontend_cidr    = var.frontend_cidr
+  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-medium"
-  zone               = var.zone
-  frontend_subnet_id = module.network.subnet_ids["frontend"]
-  backend_subnet_id  = module.network.subnet_ids["backend"]
-  database_subnet_id = module.network.subnet_ids["database"]
+  source           = "../../modules/compute"
+  instance_type    = var.instance_type
+  zone             = var.zone
+  frontend_subnet_id = module.network.subnets.frontend
+  backend_subnet_id = module.network.subnets.backend
+  database_subnet_id = module.network.subnets.database
 }
 
 module "iam" {
-  source    = "../modules/iam"
-  project_id = var.project_id
-}
+  source          = "../../modules/iam"
+  project_id      = var.project_id
+}
\ No newline at end of file
diff --git a/terraform/environments/dev/outputs.tf b/terraform/environments/dev/outputs.tf
index 61587b9..28112d1 100644
--- a/terraform/environments/dev/outputs.tf
+++ b/terraform/environments/dev/outputs.tf
@@ -1,25 +1,13 @@
-output "frontend_ip" {
-  value = module.compute.frontend_ip
+output "ip_internes" {
+  value = module.compute.ip_internes
 }
 
-output "backend_ip" {
-  value = module.compute.backend_ip
+output "ip_public_frontend" {
+  value = module.compute.ip_public_frontend
 }
 
-output "database_ip" {
-  value = module.compute.database_ip
-}
-
-output "instance_names" {
-  value = module.compute.instance_names
-}
-
-output "vpc_id" {
-  value = module.network.vpc_id
-}
-
-output "subnet_ids" {
-  value = module.network.subnet_ids
+output "nom_instances" {
+  value = module.compute.nom_instances
 }
 
 output "service_account_email" {
@@ -27,6 +15,14 @@ output "service_account_email" {
 }
 
 output "service_account_key" {
-  value     = module.iam.service_account_key
   sensitive = true
+  value = module.iam.service_account_key
 }
+
+output "vpc" {
+  value = module.network.vpc
+}
+
+output "subnets" {
+    value = module.network.subnets
+}
\ No newline at end of file
diff --git a/terraform/environments/dev/variables.tf b/terraform/environments/dev/variables.tf
index 55264d7..26952d6 100644
--- a/terraform/environments/dev/variables.tf
+++ b/terraform/environments/dev/variables.tf
@@ -1,70 +1,54 @@
-variable "project_id" {
-  type        = string
-  description = "ID du projet GCP."
-  default     = "ok"
-}
 
-variable "instance_type" {
-  type        = string
-  description = "Type de machine pour les instances."
-  default     = "e2-small"
-}
-
-variable "zone" {
-  type        = string
-  description = "Zone GCP où déployer les instances."
-  default     = "europe-west9-b"
-}
-
-variable "frontend_subnet_id" {
-  type        = string
-  description = "ID du sous réseau frontend."
-  default     = ""
-}
-
-variable "backend_subnet_id" {
-  type        = string
-  description = "ID du sous-réseau backend."
-  default     = ""
-}
-
-variable "database_subnet_id" {
-  type        = string
-  description = "ID du sous-réseau database."
-  default     = ""
-}
 variable "project_name" {
+  description = "Nom du projet"
   type        = string
-  description = "Nom du projet."
-  default     = "ok"
+  default     = "My First Project"
 }
 
 variable "region" {
+  description = "Region du projet"
   type        = string
-  description = "Région où seront déployées les ressources réseau."
-  default     = "europe-west9-b"
+  default     = "europe-west9"
 }
 
 variable "frontend_cidr" {
+  description = "CIDR for frontend subnet"
   type        = string
-  description = "CIDR du sous-réseau frontend."
   default     = "10.0.1.0/24"
 }
 
 variable "backend_cidr" {
+  description = "CIDR for backend subnet"
   type        = string
-  description = "CIDR du sous-réseau backend."
   default     = "10.0.2.0/24"
 }
 
 variable "database_cidr" {
+  description = "CIDR for database subnet"
   type        = string
-  description = "CIDR du sous-réseau base de données."
   default     = "10.0.3.0/24"
 }
 
 variable "ssh_source_ranges" {
+  description = ""
   type        = string
-  description = "Plages d’adresses autorisées pour l’accès SSH."
   default     = "0.0.0.0/0"
 }
+
+variable "project_id" {
+  description = "ID du projet"
+  type        = string
+  default     = "learned-iris-359617"
+}
+
+variable "instance_type" {
+  description = "type de l'instance"
+  type = string
+  default = "e2-small"
+}
+
+variable "zone" {
+  description = "Nom de la zone"
+  type = string
+  default = "europe-west9-b"
+}
\ No newline at end of file
diff --git a/terraform/modules/compute/main.tf b/terraform/modules/compute/main.tf
index e687512..0f120db 100644
--- a/terraform/modules/compute/main.tf
+++ b/terraform/modules/compute/main.tf
@@ -1,23 +1,8 @@
-############################################
-# FONCTION COMMUNE POUR OS LOGIN
-############################################
 
-resource "google_compute_project_metadata_item" "enable_oslogin" {
-  project = var.project_id
-  key     = "enable-oslogin"
-  value   = "TRUE"
-}
-
-############################################
-# 1. INSTANCE FRONTEND
-############################################
-
-resource "google_compute_instance" "frontend" {
-  project      = var.project_id
-  name         = "frontend-instance"
+resource "google_compute_instance" "vm_frontend" {
+  name         = "vm-frontend"
   machine_type = var.instance_type
   zone         = var.zone
-  tags         = ["frontend", "ssh"]
 
   boot_disk {
     initialize_params {
@@ -27,26 +12,21 @@ resource "google_compute_instance" "frontend" {
   }
 
   network_interface {
-    subnetwork = var.frontend_subnet_id
-
     access_config {} # IP publique
+    subnetwork = var.frontend_subnet_id
   }
 
+  tags = ["frontend", "ssh"]
+
   metadata = {
     enable-oslogin = "TRUE"
   }
 }
 
-############################################
-# 2. INSTANCE BACKEND
-############################################
-
-resource "google_compute_instance" "backend" {
-  project      = var.project_id
-  name         = "backend-instance"
+resource "google_compute_instance" "vm_backend" {
+  name         = "vm-backend"
   machine_type = var.instance_type
   zone         = var.zone
-  tags         = ["backend", "ssh"]
 
   boot_disk {
     initialize_params {
@@ -57,24 +37,19 @@ resource "google_compute_instance" "backend" {
 
   network_interface {
     subnetwork = var.backend_subnet_id
-    # Pas d'IP publique → aucun access_config
   }
 
+  tags = ["backend", "ssh"]
+
   metadata = {
     enable-oslogin = "TRUE"
   }
 }
 
-############################################
-# 3. INSTANCE DATABASE
-############################################
-
-resource "google_compute_instance" "database" {
-  project      = var.project_id
-  name         = "database-instance"
+resource "google_compute_instance" "vm_database" {
+  name         = "vm-database"
   machine_type = var.instance_type
   zone         = var.zone
-  tags         = ["database", "ssh"]
 
   boot_disk {
     initialize_params {
@@ -85,10 +60,11 @@ resource "google_compute_instance" "database" {
 
   network_interface {
     subnetwork = var.database_subnet_id
-    # Pas d'IP publique
   }
 
+  tags = ["database", "ssh"]
+
   metadata = {
     enable-oslogin = "TRUE"
   }
-}
+}
\ No newline at end of file
diff --git a/terraform/modules/compute/outputs.tf b/terraform/modules/compute/outputs.tf
index 1c26c5a..e685448 100644
--- a/terraform/modules/compute/outputs.tf
+++ b/terraform/modules/compute/outputs.tf
@@ -1,19 +1,24 @@
-output "frontend_ip" {
-  value = google_compute_instance.frontend.network_interface[0].access_config[0].nat_ip
-}
+# À vous d'exposer :
+# 1. Les IPs internes de toutes les instances
+# 2. L'IP publique du frontend
+# 3. Les noms des instances
 
-output "backend_ip" {
-  value = google_compute_instance.backend.network_interface[0].network_ip
-}
-
-output "database_ip" {
-  value = google_compute_instance.database.network_interface[0].network_ip
-}
-
-output "instance_names" {
+output "ip_internes" {
   value = {
-    frontend = google_compute_instance.frontend.name
-    backend  = google_compute_instance.backend.name
-    database = google_compute_instance.database.name
+    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
   }
 }
diff --git a/terraform/modules/compute/variables.tf b/terraform/modules/compute/variables.tf
index 42d678a..f4b3eee 100644
--- a/terraform/modules/compute/variables.tf
+++ b/terraform/modules/compute/variables.tf
@@ -1,35 +1,25 @@
-variable "project_id" {
-  type        = string
-  description = "ID du projet GCP."
-  default     = "ok"
-}
 
 variable "instance_type" {
-  type        = string
-  description = "Type de machine pour les instances."
-  default     = "e2-small"
+  description = "type de l'instance"
+  type = string
 }
 
 variable "zone" {
-  type        = string
-  description = "Zone GCP où déployer les instances."
-  default     = "europe-west9-b"
+  description = "Nom de la zone"
+  type = string
 }
 
 variable "frontend_subnet_id" {
-  type        = string
-  description = "ID du sous réseau frontend."
-  default     = ""
+  description = "id du frontend"
+  type = string
 }
 
 variable "backend_subnet_id" {
-  type        = string
-  description = "ID du sous-réseau backend."
-  default     = ""
+  description = "id du backend"
+  type = string
 }
 
 variable "database_subnet_id" {
-  type        = string
-  description = "ID du sous-réseau database."
-  default     = ""
+  description = "id du database"
+  type = string
 }
diff --git a/terraform/modules/iam/main.tf b/terraform/modules/iam/main.tf
index 8068d19..7be5c9d 100644
--- a/terraform/modules/iam/main.tf
+++ b/terraform/modules/iam/main.tf
@@ -1,51 +1,28 @@
-############################################
-# 1. COMPTE DE SERVICE TERRAFORM
-############################################
 
-resource "google_service_account" "terraform_sa" {
-  account_id   = "terraform-sa"
-  display_name = "Terraform Service Account"
-  project      = var.project_id
+resource "google_service_account" "service_account" {
+  account_id   = "terraform"
+  display_name = "terraform"
 }
 
-############################################
-# 2. CLÉ DU COMPTE DE SERVICE
-############################################
-
-resource "google_service_account_key" "terraform_sa_key" {
-  service_account_id = google_service_account.terraform_sa.name
+resource "google_service_account_key" "mykey" {
+  service_account_id = google_service_account.service_account.name
+  public_key_type    = "TYPE_X509_PEM_FILE"
 }
 
-############################################
-# 3. RÔLES IAM
-############################################
+resource "google_project_iam_binding" "custom_service_account" {
+  project = var.project_id
+  role    = "roles/viewer"
 
-# Liste des rôles nécessaires au déploiement
-locals {
-  terraform_roles = [
-    "roles/compute.admin",
-    "roles/iam.serviceAccountUser",
-    "roles/iam.serviceAccountAdmin",
-    "roles/storage.admin",
-    "roles/compute.networkAdmin",
-    "roles/compute.securityAdmin"
+  members = [
+    "serviceAccount:${google_service_account.service_account.email}",
   ]
 }
 
-resource "google_project_iam_member" "terraform_sa_roles" {
-  for_each = toset(local.terraform_roles)
-
-  project = var.project_id
-  role    = each.value
-  member  = "serviceAccount:${google_service_account.terraform_sa.email}"
+data "google_client_openid_userinfo" "me" {
 }
 
-############################################
-# 4. OS LOGIN + CLÉ SSH
-############################################
-
-resource "google_os_login_ssh_public_key" "oslogin_ssh_key" {
+resource "google_os_login_ssh_public_key" "cache" {
+  user =  data.google_client_openid_userinfo.me.email
   project = var.project_id
-  user    = google_service_account.terraform_sa.email
-  key     = "ssh-rsa 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 julian_gallego180105_gmail_com"
-}
+  key = file("~/.ssh/id_ed25519.pub")
+}
\ No newline at end of file
diff --git a/terraform/modules/iam/outputs.tf b/terraform/modules/iam/outputs.tf
index 16333fc..ff5e1ae 100644
--- a/terraform/modules/iam/outputs.tf
+++ b/terraform/modules/iam/outputs.tf
@@ -1,18 +1,11 @@
-############################################
-# 1. EMAIL DU COMPTE DE SERVICE
-############################################
 
 output "service_account_email" {
-  description = "Email du service account utilisé par Terraform."
-  value       = google_service_account.terraform_sa.email
+  description = "Service account email."
+  value = google_service_account.service_account.email
 }
 
-############################################
-# 2. CLÉ DU COMPTE DE SERVICE
-############################################
-
 output "service_account_key" {
-  description = "Clé privée du service account (JSON)."
-  value       = google_service_account_key.terraform_sa_key.private_key
+  description = "Service account key."
   sensitive   = true
-}
+  value       = google_service_account_key.mykey.private_key
+}
\ No newline at end of file
diff --git a/terraform/modules/iam/variables.tf b/terraform/modules/iam/variables.tf
index c29d321..7afef4c 100644
--- a/terraform/modules/iam/variables.tf
+++ b/terraform/modules/iam/variables.tf
@@ -1,5 +1,5 @@
-variable "project_id" {
-  type        = string
-  description = "ID du projet GCP."
-}
 
+variable "project_id" {
+  description = "ID du projet"
+  type        = string
+}
\ No newline at end of file
diff --git a/terraform/modules/network/main.tf b/terraform/modules/network/main.tf
index e2746bf..7c88232 100644
--- a/terraform/modules/network/main.tf
+++ b/terraform/modules/network/main.tf
@@ -1,51 +1,33 @@
-############################################
-# 1. VPC PERSONNALISÉ
-############################################
 
-resource "google_compute_network" "vpc" {
-  name                    = "${var.project_name}-vpc"
+resource "google_compute_network" "vpc_terraform" {
+  name                    = "vpc-terraform"
   auto_create_subnetworks = false
 }
 
-provider "google" {
-  project = var.project_name
-  region  = var.region
-}
-
-############################################
-# 2. SOUS-RÉSEAUX
-############################################
-
-resource "google_compute_subnetwork" "frontend" {
-  name          = "${var.project_name}-frontend-subnet"
+resource "google_compute_subnetwork" "subnet_frontend" {
+  name          = "frontend"
+  network       = google_compute_network.vpc_terraform.id
   ip_cidr_range = var.frontend_cidr
   region        = var.region
-  network       = google_compute_network.vpc.id
 }
 
-resource "google_compute_subnetwork" "backend" {
-  name          = "${var.project_name}-backend-subnet"
+resource "google_compute_subnetwork" "subnet_backend" {
+  name          = "backend"
+  network       = google_compute_network.vpc_terraform.id
   ip_cidr_range = var.backend_cidr
   region        = var.region
-  network       = google_compute_network.vpc.id
 }
 
-resource "google_compute_subnetwork" "database" {
-  name          = "${var.project_name}-database-subnet"
+resource "google_compute_subnetwork" "subnet_database" {
+  name          = "database"
+  network       = google_compute_network.vpc_terraform.id
   ip_cidr_range = var.database_cidr
   region        = var.region
-  network       = google_compute_network.vpc.id
 }
 
-
-############################################
-# 3. FIREWALL RULES
-############################################
-
-# HTTP / HTTPS vers frontend
-resource "google_compute_firewall" "frontend_http_https" {
-  name    = "${var.project_name}-frontend-http-https"
-  network = google_compute_network.vpc.name
+resource "google_compute_firewall" "allow_user_frontend" {
+  name    = "allow-user-frontend"
+  network = google_compute_network.vpc_terraform.id
 
   allow {
     protocol = "tcp"
@@ -53,31 +35,12 @@ resource "google_compute_firewall" "frontend_http_https" {
   }
 
   source_ranges = ["0.0.0.0/0"]
-
-  target_tags = ["frontend"]
+  target_tags   = ["frontend"]
 }
 
-
-# SSH depuis les IP autorisées
-resource "google_compute_firewall" "ssh_access" {
-  name    = "${var.project_name}-ssh"
-  network = google_compute_network.vpc.name
-
-  allow {
-    protocol = "tcp"
-    ports    = ["22"]
-  }
-
-  source_ranges = [var.ssh_source_ranges]
-
-  target_tags = ["frontend", "backend", "database"]
-}
-
-
-# Port 8000 du frontend vers backend
-resource "google_compute_firewall" "frontend_to_backend" {
-  name    = "${var.project_name}-frontend-to-backend"
-  network = google_compute_network.vpc.name
+resource "google_compute_firewall" "allow_frontend_backend" {
+  name    = "allow-frontend-backend"
+  network = google_compute_network.vpc_terraform.id
 
   allow {
     protocol = "tcp"
@@ -85,14 +48,25 @@ resource "google_compute_firewall" "frontend_to_backend" {
   }
 
   source_tags = ["frontend"]
-  target_tags = ["backend"]
+  target_tags   = ["backend"]
 }
 
+resource "google_compute_firewall" "allow_ssh_all" {
+  name    = "allow-ssh-all"
+  network = google_compute_network.vpc_terraform.id
 
-# Port 3306 du backend vers database
-resource "google_compute_firewall" "backend_to_database" {
-  name    = "${var.project_name}-backend-to-database"
-  network = google_compute_network.vpc.name
+  allow {
+    protocol = "tcp"
+    ports    = ["22"]
+  }
+
+  source_ranges = ["0.0.0.0/0"]
+  target_tags   = ["ssh"]
+}
+
+resource "google_compute_firewall" "allow_backend_database" {
+  name    = "allow-backend-database"
+  network = google_compute_network.vpc_terraform.id
 
   allow {
     protocol = "tcp"
@@ -100,5 +74,5 @@ resource "google_compute_firewall" "backend_to_database" {
   }
 
   source_tags = ["backend"]
-  target_tags = ["database"]
-}
+  target_tags   = ["database"]
+}
\ No newline at end of file
diff --git a/terraform/modules/network/outputs.tf b/terraform/modules/network/outputs.tf
index f020c21..b2af4b0 100644
--- a/terraform/modules/network/outputs.tf
+++ b/terraform/modules/network/outputs.tf
@@ -1,22 +1,12 @@
-############################################
-# 1. ID du VPC
-############################################
 
-output "vpc_id" {
-  description = "ID du VPC créé."
-  value       = google_compute_network.vpc.id
+output "vpc" {
+  value = google_compute_network.vpc_terraform.id
 }
 
-
-############################################
-# 2. IDs des sous-réseaux (map)
-############################################
-
-output "subnet_ids" {
-  description = "Map des IDs des sous-réseaux : frontend, backend, database."
-  value = {
-    frontend = google_compute_subnetwork.frontend.id
-    backend  = google_compute_subnetwork.backend.id
-    database = google_compute_subnetwork.database.id
-  }
-}
+output "subnets" {
+    value = {
+        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
diff --git a/terraform/modules/network/variables.tf b/terraform/modules/network/variables.tf
index 96e1bc1..216ae87 100644
--- a/terraform/modules/network/variables.tf
+++ b/terraform/modules/network/variables.tf
@@ -1,35 +1,30 @@
+
 variable "project_name" {
+  description = "Nom du projet"
   type        = string
-  description = "Nom du projet."
-  default = "ok"
 }
 
 variable "region" {
+  description = "Region du projet"
   type        = string
-  description = "Région où seront déployées les ressources réseau."
-  default = "europe-west9-b"
 }
 
 variable "frontend_cidr" {
+  description = "CIDR for frontend subnet"
   type        = string
-  description = "CIDR du sous-réseau frontend."
-  default = "10.0.1.0/24"
 }
 
 variable "backend_cidr" {
+  description = "CIDR for backend subnet"
   type        = string
-  description = "CIDR du sous-réseau backend."
-  default = "10.0.2.0/24" 
 }
 
 variable "database_cidr" {
+  description = "CIDR for database subnet"
   type        = string
-  description = "CIDR du sous-réseau base de données."
-  default = "10.0.3.0/24"
 }
 
 variable "ssh_source_ranges" {
+  description = ""
   type        = string
-  description = "Plages d’adresses autorisées pour l’accès SSH."
-  default = "0.0.0.0/0"
-}
+}
\ No newline at end of file