resource "aws_subnet" "main" {
    vpc_id     = var.vpc_id
    
    for_each = var.subnet-az-list
    availability_zone = each.value.name
    cidr_block = each.value.cidr

    map_public_ip_on_launch = var.public_ip_on ? true : false

    tags = {
        Name = "${var.tag_name}-subnet"
    }
    
}