Kubernetes is in, container registries are a dime a dozen, and maximum container density isn’t the only thing that matters when running containers.
Kubernetes. Around 43 percent of Sysdig’s users employed Kubernetes (including OpenShift, Tectonic, et al.), while 9 percent used Mesos or DC/OS, and 7 percent stuck with Docker Swarm
KevinMcCauley.com 