Add slow_start parameter to target group @plenkl (#104) what Exposes the parameter slow_start which controls how the load balancer scales in new targets as they become healthy. why Some applications need time to warm up before they can start handling their full share of requests. references https://docs.aws.amazon.com/elasticloadbalancing/latest/application/load-balancer-target-groups.html#slow-start-mode https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lb_target_group#slow_start