Sceptre is a tool for driving AWS CloudFormation, which has recently been open-sourced by Cloudreach. The project and source code can be found on GitHub.
Deploying an application into an off-the-shelf PaaS offers a low barrier to initial entry, and can be a great way to get an early PoC up and running. In our dealings with customers who demand flexible, scalable platforms, however, we’ve found that often there are other factors in play that mean a different, more bespoke approach is beneficial. This is at the same time as maintaining the ease-of-use and quality of experience that a PaaS offering can provide.