{
  "builders": [
    {
      "image_name": "{{user `DESKTOP_ENVIRONMENT_REGISTRY`}}-{{user `DESKTOP_ENVIRONMENT_CONTAINER_NAME`}}",
      "instance_name": "packer-{{user `DESKTOP_ENVIRONMENT_REGISTRY`}}-{{user `DESKTOP_ENVIRONMENT_CONTAINER_NAME`}}-{{timestamp}}",
      "project_id": "stemnapp",
      "source_image_family": "ubuntu-minimal-1810",
      "ssh_username": "root",
      "type": "googlecompute",
      "zone": "australia-southeast1-a"
    }
  ],
  "provisioners": [
    {
      "inline": [
        "# Install git",
        "apt-get update -qq && apt-get install -qq git",
 
        "# Clone the desktop environment",
        "git clone https://github.com/{{user `DESKTOP_ENVIRONMENT_REGISTRY`}}/{{user `DESKTOP_ENVIRONMENT_CONTAINER_NAME`}}",
 
        "# Prepare the desktop environment host",
        "{{user `DESKTOP_ENVIRONMENT_CONTAINER_NAME`}}/host/bootstrap.sh --xpra"
      ],
      "type": "shell"
    }
  ],
  "variables": {
    "DESKTOP_ENVIRONMENT_CONTAINER_NAME": "{{env `DESKTOP_ENVIRONMENT_CONTAINER_NAME`}}",
    "DESKTOP_ENVIRONMENT_REGISTRY": "{{env `DESKTOP_ENVIRONMENT_REGISTRY`}}"
  }
}