UPGRADES.md

Terraform Manifest Upgrades

Step-01: c10-02-ALB-application-loadbalancer.tf

# Terraform AWS Network Load Balancer (NLB)
module "nlb" {
  source  = "terraform-aws-modules/alb/aws"
  version = "9.4.0"

  name_prefix = "mynlb-"
  load_balancer_type               = "network"
  vpc_id                           = module.vpc.vpc_id
  dns_record_client_routing_policy = "availability_zone_affinity"
  security_groups = [module.loadbalancer_sg.security_group_id]

  # https://github.com/hashicorp/terraform-provider-aws/issues/17281
  subnets = module.vpc.public_subnets

  # For example only
  enable_deletion_protection = false

# Listeners
  listeners = {
    # Listener-1: TCP Listener
    my-tcp = {
      port     = 80
      protocol = "TCP"
      forward = {
        target_group_key = "mytg1"
      }
    }# End Listener-1: TCP Listener
    # Listener-2: TLS Listener (SSL)
    my-tls = {
      port            = 443
      protocol        = "TLS"
      certificate_arn = module.acm.acm_certificate_arn
      forward = {
        target_group_key = "mytg1"
      }
    }# End Listener-2: TLS Listener (SSL)
  }# End Listeners Block

# Target Groups
  target_groups = { 
    # Target Group-1: mytg1
    mytg1 = {
      create_attachment = false          
      name_prefix          = "mytg1-"
      protocol             = "TCP"
      port                 = 80
      target_type          = "instance"
      deregistration_delay = 10
      health_check = {
        enabled             = true
        interval            = 30
        path                = "/app1/index.html"
        port                = "traffic-port"
        healthy_threshold   = 3
        unhealthy_threshold = 3
        timeout             = 6
      }# End Health Check Block
    }# End Target Group-1: mytg1
  }
  tags = local.common_tags
}# End NLB Module