If you have something that works and you don't need to manage hundreds or thousands of applications in a uniform way, I'd stay with what you trust. Edit: Thoug

If you have something that works and you don't need to manage hundreds or thousands of applications in a uniform way, I'd stay with what you trust. Edit: Though as PaulRobinson points out, before thinking about a PaaS you ought to think about CI/CD. I mean I think Cloud Foundry is the bee's dancing knees, but for a single app it's probably massive overkill.