The Docker chapter does mention similar things, and José Valim recently wrote the following blog post on this: http://blog.plataformatec.com.br/2019/10/kubernetes-and-the-...

In a nutshell, docker and k8s are to OTP what region failover is to k8s tech. They operate on different layers of abstraction and impact distinct components.

OTP allows handling partial failures WITHIN an instance, something K8s can’t help with.