The book needs a free registration and is provided as a full ebook by d2iq. D2iq was formerly mesosphere – the commercial arm of mesos – but now is focussed towards Kubernetes and cloud native services. See this techcrunch link for some background. Previously, some chapters were free. Now the whole book seems to be a free download.
Link: Cloud Native, Containers and Next-Gen Apps
via http://www.datasciencecentral.com