Akshith Yellapragada

We're currently running two flightdeck-prometheus nodes for high availability, this isn't necessary on staging or other non-production environments.

This is related to [this issue](https://github.com/thoughtbot/flightdeck/issues/64) about nodes running prometheus become unavailable. When this happens, we should be alerted.

This has been something happening on Albaik recently, the node that prometheus is running on becomes unavailable, which causes issues for monitoring and application level autoscaling. The current fix is...

We're using NewRelic monitoring for health checks, which sometimes can be inaccurate for low traffic sites. Route53 has their own free health check for AWS services, so we can add...