The Docker technology carries with it a tremendous amount of promise and excitement. The first time I heard of Docker was the day I met its creator Solomon Hykes, in September 2013 at the Linuxcon conference in New Orleans. I was talking with the incomparable Robyn Bergeron, leader of the Fedora Linux project, and she noticed Hykes walking by. Bergeron insisted that I meet Hykes, telling me that Docker is something very exciting. She wasn’t wrong (Bergeron hardly ever is).