resource "aws_subnet" "main" { vpc_id = var.vpc_id cidr_block = var.cidr_main availability_zone = "${var.region}a" tags = { Name = "Main" } } resource "aws_subnet" "secondary" { vpc_id = var.vpc_id cidr_block = var.cidr_secondary availability_zone = "${var.region}c" tags = { Name = "Main" } }