+# dockerRegistryMirrors are optional mirrors for docker.io, in priority order
+#dockerRegistryMirrors: ["https://myregistry.com:5000"]
+# preKubeadmCommands execute on the provisioned machine before the
+# container runtime or K8s is configured
+#preKubeadmCommands:
+#- apt-get update -y
+#- apt-get install -y unzip