variable "instance_type" { description = "Type de machine pour les instances Compute Engine" type = string default = "e2-medium" } variable "zone" { description = "Zone GCP où déployer les instances" type = string default = "europe-west1-b" } variable "frontend_subnet_id" { description = "ID du sous-réseau frontend" type = string default = "" } variable "backend_subnet_id" { description = "ID du sous-réseau backend" type = string default = "" } variable "database_subnet_id" { description = "ID du sous-réseau database" type = string default = "" } variable "project_id" { description = "ID du projet GCP" type = string default = "" }