title: How to achieve ALB weighted target groups with Terraform
body: <p>There are new features on ALBs that allow for multiple target groups on a listener with a weighted priority. The potential configuration would allow for multiple action blocks on a aws_lb_listener_rule with a priority included.</p>
  
  <p>AWS Reference: <a href="https://docs.aws.amazon.com/elasticloadbalancing/latest/application/load-balancer-target-groups.html" rel="nofollow noreferrer">https://docs.aws.amazon.com/elasticloadbalancing/latest/application/load-balancer-target-groups.html</a></p>
  
  <p>How can we achieve this with Terraform</p>