Deploy in 2 EC2 instances in AWS and 2 RDS (MultiAZ)

I have read posts where there Ghost is installed in a single instance. I would like to know if I can install Ghost platform in 2 separate instances of EC2 across 2 availability zones load balanced through a load balancer. The backend would be a RDS DB (MySQL) which will be available in 2 Availability zones. Again the backend will be load balanced through a single DNS entry using round robin fashion. Is this a supported configuration? I would use Ubuntu, but open to suggestions which ever gets me there.

Thanks for you suggestions!

This is not currently possible: