To the best of my knowledge, there is no such thing as single node production ready k8s cluster.
> I don't have anything that needs to autoscale or fail over or do high availability
You should not be using Kubernetes.
> I don't have anything that needs to autoscale or fail over or do high availability
You should not be using Kubernetes.
That is: what is the “run your own thing-that-is-slightly-lower-level-than-Heroku on a fixed pool of local hardware resources” solution in 2018?
But Kubeadm will still do it. Kops if you're on AWS. GKE if you're on GCP. Just Docker would be easier to set up though, and that's what the OP means.