variable "cidr_block" {
    description = "value"
    type = string
}

// reference | https://github.com/davidcsi/terraform/blob/master/healthchecks/main.tf
variable "subnet-az-list" {
    description = "Subnet available zone & cidr"
    type = map(map(string))
    default = {
        "zone-a" = {
            name = "ap-northeast-2a"
            cidr = "10.3.1.0/24"
        }
        "zone-b" = {
            name = "ap-northeast-2b"
            cidr = "10.3.2.0/24"
        }
        "zone-c" = {
            name = "ap-northeast-2c"
            cidr = "10.3.3.0/24"
        }
        "zone-d" = {
            name = "ap-northeast-2d"
            cidr = "10.3.4.0/24"
        }
    }
  
}