boycott docker reflects a lot of my own experience regarding Docker. Apart from having a recipe that can easily be shared to re-construct a container if need be, I don't see anything good about Docker the technology. Docker has its own toolset and terminology, completely apart from the host system tools. Compare that with FreeBSD jails or Solaris zones, which are tightly integrated in their host systems, offer a better level of separation (networking!) and also keep track of security issues (vulnxml). Don't believe the hype.