diff --git a/terraform/modules/iam/main.tf b/terraform/modules/iam/main.tf
index e69de29..cf259d9 100644
--- a/terraform/modules/iam/main.tf
+++ b/terraform/modules/iam/main.tf
@@ -0,0 +1,36 @@
+# À vous de créer :
+# 1. Un compte de service pour Terraform
+# 2. Une clé pour ce compte de service
+# 3. Les rôles IAM nécessaires
+# 4. La configuration OS Login avec votre clé SSH
+
+
+
+
+resource "google_service_account" "my_account" {
+    display_name = "terraform"
+    account_id = "terraform"
+
+}
+
+resource "google_service_account_key" "key" {
+    service_account_id = google_service_account.my_account.name
+    public_key_type = "TYPE_X509_PEM_FILE"
+}
+
+resource "google_project_iam_binding" "project_iam" {
+    project = var.project_id
+    role = "project_iam"
+
+    members = [
+        "serviceAccount: ${google_service_account.custom_service_account.email} "
+        ]
+}
+
+
+data "google_client_openid_userinfo""me"{}
+
+resource "google_os_login_ssh_public_key" "cache" {
+  user =  data.google_client_openid_userinfo.me.email
+  key = file("~/.ssh/id_ed25519")
+}
diff --git a/terraform/modules/iam/outputs.tf b/terraform/modules/iam/outputs.tf
index e69de29..d7a4c38 100644
--- a/terraform/modules/iam/outputs.tf
+++ b/terraform/modules/iam/outputs.tf
@@ -0,0 +1,13 @@
+# À vous d'exposer :
+# 1. L'email du compte de service
+# 2. La clé du compte de service (sensitive = true)
+
+
+output "service_account_email"{
+    value = google_service_account.my_account.email
+}
+
+
+output "service_account_key" {
+  value = google_service_account_key.private_key
+  }
\ No newline at end of file
diff --git a/terraform/modules/iam/variables.tf b/terraform/modules/iam/variables.tf
index 601138e..72aad0a 100644
--- a/terraform/modules/iam/variables.tf
+++ b/terraform/modules/iam/variables.tf
@@ -1,5 +1,7 @@
-variable "project_name" {
+# À vous de définir :
+# - project_id (string)
+
+variable "project_id" {
   description = "Nom du projet cidr"
   type        = string
-  default     = "mon-projet"
 }
\ No newline at end of file