Seriously. Maybe other places are different but Docker is quickly becoming as important to know as git if you want to be taken seriously in a job interview, at least. Our whole infrastructure is containerized and it's really nice. But it was build that way from the get go.

Exactly. It's not a hype new thing anymore, it's just what people are using. For all the warts of specific implementations, the wins of using containers are pretty solid across a huge domain of problems.