This example attaches the specified target group to the specified Auto Scaling group. aws autoscaling attach-load-balancer-target-groups \ --auto-scaling-group-name my-asg \ --target-group-arns ...
in_security_group_id = "${ module.security-group.out_security ... in_back_end List List of back end target configuration for this load balancer like etcd (for http port 2379), web (for http port 80) ...