terraform-acm-and-alb

terraform-acm-and-alb.tf

# See also:
# - https://github.com/terraform-aws-modules/terraform-aws-alb/blob/v5.10.0/examples/complete-alb/main.tf

variable "domain_name" {
  default = "example.com"
}

variable "route53_zone_id" {
  default = "Z01538412G5CUAEXAMPLE"
}


module "acm" {
  source  = "terraform-aws-modules/acm/aws"
  version = "2.12.0"

  domain_name = var.domain_name
  zone_id     = var.route53_zone_id

  subject_alternative_names = [
    "*.${var.domain_name}",
  ]

  wait_for_validation = true

  tags = {
    Name = "Wildcard for ${var.domain_name}"
  }
}

module "alb" {
  source  = "terraform-aws-modules/alb/aws"
  version = "5.10.0"

  load_balancer_type = "application"

  # ... omitted ...

  https_listeners = [
    {
      target_group_index = 0
      port               = 443
      protocol           = "HTTPS"
      certificate_arn    = module.acm.this_acm_certificate_arn
      ssl_policy         = "ELBSecurityPolicy-2016-08"
      action_type        = "forward"
    },
  ]

  # ... omitted ...
}


output "acm_certificate_arn" {
  value = module.acm.this_acm_certificate_arn
}

output "acm_validation_domains" {
  value = module.acm.validation_domains
}

output "acm_validation_route53_record_fqdns" {
  value = module.acm.validation_route53_record_fqdns
}

output "alb_dns_name" {
  value = module.alb.this_lb_dns_name
}