It's still the same process as before, so let's get over with it silently.
All the commands from this chapter are available in the 09-config-map.sh (https://gist.github.com/vfarcic/717f8418982cc5ec1c755fcf7d4255dd) Gist.
cd k8s-specs git pull minikube start --vm-driver=virtualbox minikube addons enable ingress kubectl config current-context
Now we can try out the first variation of a ConfigMap.