Locals

https://www.terraform.io/language/values/locals

Syntax

locals {
  # Common tags to be assigned to all resources
  common_tags = {
    Company = "example.com"
    Owner   = "test"
  }
}

How to Use locals

resource "aws_vpc" "vpc" {
  cidr_block           = "10.0.0.0/16"
  enable_dns_hostnames = var.enable_dns_hostnames
  tags = local.common_tags
}