The simplest way to explain it is that it is google's version of docker swarm. Aside from that, it's a way to manage the deployment of containers across one or

The simplest way to explain it is that it is google's version of docker swarm. Aside from that, it's a way to manage the deployment of containers across one or more hosts. Getting more traffic than usual? You have a program that detects it and sends a command to kubernetes/dockerswarm that tells it to scale up the number of web containers. Stuff like that.