variable "instance_type" { description = "type d'instance" type = string } variable "zone" { description = "zone" type = string default = "europe-west4-a" } variable "frontend_cidr" { description = "front sub id" type = string } variable "backend_cidr" { description = "back sub id" type = string } variable "database_cidr" { description = "data sub id" type = string }