1. Rolling Deployment Guide. https://docs.aws.amazon.com/ko_kr/codedeploy/latest/userguide/integrations-aws-elastic-load-balancing.html Best practice link https://www.slideshare.net/AmazonWebServices/advanced-deployment-best-practices-with-aws-codedeploy-dev404r2-aws-reinvent-2018 https://docs.aws.amazon.com/ko_kr/codedeploy/latest/userguide/deployment-steps.html#deployment-steps-lambda