A year ago if you asked most system administrators what they would do with a container, chances are you'd get a blank look. That was then. This is now.
Container technology, and Docker in particular, is hotter than hot. Even while it was still in beta, Fortune 500 companies were starting to "containerize" their server, data center, and cloud applications with Docker. Indeed, James Turnbull, Docker's VP of services and support, said that before Docker 1.0 was even released, three major banks were already moving it into production.
Why Docker and containers are so popular