{
  "additional_registry_images": "true",
  "additional_registry_images_list": "docker.io/sigwindowstools/flannel:v0.13.0-nanoserver,docker.io/sigwindowstools/kube-proxy:{{user `kubernetes_semver`}}-nanoserver",
  "build_name": "windows-2019",
  "distribution": "windows",
  "distribution_version": "2019",
  "image_offer": "WindowsServer",
  "image_publisher": "MicrosoftWindowsServer",
  "image_sku": "2019-Datacenter-Core-smalldisk",
  "image_version": "latest",
  "load_additional_components": "true",
  "vm_size": "Standard_D4s_v3",
  "windows_updates_kbs": ""
}