What you forgot is that it's not only easy to get started, you could also start REALLY REALLY small which doesn't work with ALL the other solutions. Kubernetes

What you forgot is that it's not only easy to get started, you could also start REALLY REALLY small which doesn't work with ALL the other solutions. Kubernetes Master could run on a node with 512mb memory and it still works great. Your cluster doesn't die if the master dies it won't reschedule etc but thats ok mostly. the only thing what you need is enough etcd nodes to keep it up and running.