variable "instance_type" {
  description = "type d'instance"
  type        = string
}

variable "zone" {
  description = "zone"
  type        = string
}

variable "sub1"{
  description = "subnet1 frontend"
  type        = string
}

variable "sub2"{
  description = "subnet2 backend"
  type        = string
}

variable "sub3"{
  description = "subnet3 database"
  type        = string
}