From: DockerCon 2016: A Summary of Announcements and Key Takeaways

During a media lunch Golub stated that approximately 25% of attendees at the conference had role titles associated with an operations/sysadmin function

What’s interesting here is that it suggests that the Docker community starts with developers, and builds to sysadmins. Which, pretty much, checks out with anecdotes.

Source: DockerCon 2016: A Summary of Announcements and Key Takeaways