With this keepalived-based solution, you can create an active-passive HA deployment of NGINX Plus on AWS using an Elastic IP address. This repo contains the files necessary to create such a deployment. To learn more about this solution and see the deployment instructions, visit NGINX Admin Guide.
magicalyak/aws-ha-elastic-ip
Active-Passive HA Deployment on AWS Using an Elastic IP Address
ShellBSD-2-Clause