The guy who created Dokku, Jeff Lindsay, has also co-created Flynn. Flynn is like a super-Dokku that, among other things, lets you run your PaaS on multiple hosts.
"Flynn is two things:
A distribution of components that out-of-the-box gives companies a reasonable starting point for an internal platform for running their applications and services.
The banner for a collection of independent projects that together make up a toolkit or loose framework for building distributed systems.
Flynn is both a whole and many parts, depending on what is most useful for you. The common goal is to democratize years of experience and best practices in building ...