We have Docker deployed just about everywhere in production. The only places that we don't use it are our haproxy looad balancers that terminate SSL connections and route requests. The setup on those is already simple so we didn't feel the need to containerize it. But everything else is, and we've found it a revolutionary upgrade in the manageability of our environment. And yet... I find the notion of Dockercon odd. I don't feel like I need rediscon, or haproxycon. Docker is a great tool, and maybe we'd get some benefit from attending a conference on it, but for us it's just not quite that big a deal. It makes a lot of things easier, but the main benefit of that is we can focus on the things that are a big deal, i.e. business goals.