alb.tf

module "alb" {
  source  = "terraform-aws-modules/alb/aws"
  version = "5.16.0"

  name               = "bci-alb"
  load_balancer_type = "application"
  vpc_id             = module.vpc.vpc_id
  subnets            = module.vpc.public_subnets
  security_groups    = [module.alb_sg.this_security_group_id]

  http_tcp_listeners = [
    {
      port               = 80
      protocol           = "HTTP"
      target_group_index = 0
    }
  ]

  target_groups = [
    {
      backend_protocol = "HTTP"
      backend_port     = 80
      target_type      = "instance"
    }
  ]
}

module "alb_sg" {
  source  = "terraform-aws-modules/security-group/aws//modules/http-80"
  version = "3.18.0"

  name        = "bci-alb-sg"
  description = "Security group for web-server with HTTP ports open within VPC"
  vpc_id      = module.vpc.vpc_id

  ingress_cidr_blocks = ["0.0.0.0/0"]
}