Simple Terraform 12 Map Example

simple-map.tf

####Simple Map example####
output "out" {
  value = var.project-map[var.environment]
}

variable "environment" {
  default = "stage"
}

variable "project-map" {
  type = map(string)
  description = "Simple example of how to make a string map variable in Terraform 12"
  default = {
    dev   = "dev.example.com"
    stage = "stage.example.com"
    prod  = "prod.example.com"
  }
}