variable "region" {
  type        = string
  description = "AWS region to deploy the resources"
  default     = "us-east-1"
  validation {
    condition = contains([
      "us-east-1", "us-west-2",
      "ap-southeast-1", "ap-southeast-2", "ap-northeast-1", "ap-south-1",
      "ca-central-1",
      "eu-central-1", "eu-west-1", "eu-west-2", "eu-west-3",
      "sa-east-1",
    ], var.region)
    error_message = "Please use a region supporting Guardrails for Amazon Bedrock https://docs.aws.amazon.com/general/latest/gr/bedrock.html."
  }
}