Education and training
Education will be critical. As the early adopters of Kubernetes make way to the majority, it is very important to have the right resources for organizations and developers to pick up Kubernetes and be productive quickly. There are already some pretty good resources and in the future, I predict that the number and quality will just increase. Of course, the book you're reading right now is part of this drive.
The official Kubernetes documentation is getting better and better, but there is still a long way to go. The online tutorials are great for getting started.
Google has created a few Udacity courses on Kubernetes. Check them out here:
https://www.udacity.com/course/scalable-microservices-with-kubernetes--ud615.
Another excellent resource is KataCoda, which provides a completely free Kubernetes playground, where you can get a private cluster within seconds, in addition to multiple hands-on tutorials on advanced topics:
