"Digital Card Store Application" to show Amazon Web Services Elastic Load Balancing and Auto Scaling Groups. This project uses the Java application (https://github.com/ceyhunozgun/awsupdateasg) to do zero downtime update.
The mechanism is explained in my blog entry at http://ceyhunozgun.blogspot.com/2017/03/load-balancing-and-zero-downtime-update-on-aws.html