10-ALB.tf

resource "aws_lb" "app-lb" {
  name               = "app-lb"
  internal           = false
  load_balancer_type = "application"
  security_groups    = [aws_security_group.allow_tls.id]
  subnets            = ["${aws_subnet.pub-subnets[0].id}", "${aws_subnet.pub-subnets[1].id}"]

  # access_logs {
  #   bucket  = "state-backend-eroz"
  #   enabled = true
  # }
}

resource "aws_lb_target_group" "tg-group" {
  name     = "tg-group"
  port     = 80
  protocol = "HTTP"
  vpc_id   = aws_vpc.my-vpc.id
 
}

resource "aws_lb_target_group_attachment" "attach-instance" {
  count             = 2
  target_group_arn  = aws_lb_target_group.tg-group.arn
  target_id         = "${element(split(",", join(",", aws_instance.my_instances[*].id)), count.index)}"
  port              = "80"
}

resource "aws_lb_listener" "lb-listener" {
  load_balancer_arn = aws_lb.app-lb.arn
  port              = "80"
  protocol          = "HTTP"

  default_action {
    type             = "forward"
    target_group_arn = aws_lb_target_group.tg-group.arn
  }
}