infra/alb.tf at main · ProjectTech4DevAI/infra · GitHub

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resource "aws_lb" "alb" {
  name               = "${var.project_names}-alb"
  internal           = false
  load_balancer_type = "application"
  security_groups    = [aws_security_group.alb_sg.id]
  subnets           = aws_subnet.public_subnets[*].id
}

resource "aws_lb_target_group" "ecs_tg" {
  name        = "${var.project_names}-tg"
  port        = 80
  protocol    = "HTTP"
  vpc_id      = aws_vpc.main_vpc.id
  target_type = "ip"

  health_check {
    path                = "/"
    interval            = 30
    timeout             = 5
    healthy_threshold   = 3
    unhealthy_threshold = 2
    matcher             = "200-299"
  }
}

resource "aws_lb_listener" "alb_listener" {
  load_balancer_arn = aws_lb.alb.arn
  port              = 80
  protocol          = "HTTP"

  default_action {
    type             = "forward"
    target_group_arn = aws_lb_target_group.ecs_tg.arn
  }
}