route53.tf

# ACM
data "aws_route53_zone" "this" {
  name = replace(var.site_domain, "/.*\\b(\\w+\\.\\w+)\\.?$/", "$1") # gets domain from subdomain e.g. "foo.example.com" => "example.com"
}


## Route53
# Add an IPv4 DNS record pointing to the CloudFront distribution
resource "aws_route53_record" "ipv4" {
  zone_id = data.aws_route53_zone.this.zone_id
  name    = var.site_domain
  type    = "A"

  alias {
    name                   = aws_cloudfront_distribution.this.domain_name
    zone_id                = aws_cloudfront_distribution.this.hosted_zone_id
    evaluate_target_health = false
  }
}

# Add an IPv6 DNS record pointing to the CloudFront distribution
resource "aws_route53_record" "ipv6" {
  zone_id = data.aws_route53_zone.this.zone_id
  name    = var.site_domain
  type    = "AAAA"

  alias {
    name                   = aws_cloudfront_distribution.this.domain_name
    zone_id                = aws_cloudfront_distribution.this.hosted_zone_id
    evaluate_target_health = false
  }
}