Part of it is that there's a feedback loop: as Kubernetes + Docker become more and more popular, the tooling around them gets better and better. Also, I find D

Part of it is that there's a feedback loop: as Kubernetes + Docker become more and more popular, the tooling around them gets better and better. Also, I find Docker a lot easier to work with than trying to manually maintain parity between my dev environment and production hosts. Having previous "pushed simple apps to a single box or two" I'd never go back, even for the simplest of apps.