An application runs on Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer. The instances often come online before they are ready which leads to errors being experienced. The health check configuration provides a 60-second grace period and considers instances healthy after two 200 response codes from /index.php. This page can respond intermittently during the deployment process. A DevOps engineer has been tasked with troubleshooting the errors. The instances should come online as soon as possible but not before they are ready. Which strategy can be used to address this issue? Which strategy would address this issue?