{
  "variables": {
    "client_id": "{{env `ARM_CLIENT_ID`}}",
    "client_secret": "{{env `ARM_CLIENT_SECRET`}}",
    "resource_group": "{{env `ARM_RESOURCE_GROUP`}}",
    "storage_account": "{{env `ARM_STORAGE_ACCOUNT`}}",
    "subscription_id": "{{env `ARM_SUBSCRIPTION_ID`}}",
    "tenant_id": "{{env `ARM_TENANT_ID`}}"
  },
  "builders": [{
    "type": "azure-arm",

    "client_id": "{{user `client_id`}}",
    "client_secret": "{{user `client_secret`}}",
    "resource_group_name": "{{user `resource_group`}}",
    "storage_account": "{{user `storage_account`}}",
    "subscription_id": "{{user `subscription_id`}}",
    "tenant_id": "{{user `tenant_id`}}",

    "capture_container_name": "images",
    "capture_name_prefix": "packer",

    "os_type": "Linux",
    "image_publisher": "Canonical",
    "image_offer": "UbuntuServer",
    "image_sku": "16.04.0-LTS",

    "location": "West US",
    "vm_size": "Standard_A2"
  }],
  "provisioners": [{
    "execute_command": "chmod +x {{ .Path }}; {{ .Vars }} sudo -E sh '{{ .Path }}'",
    "inline": [
      "apt-get update",
      "apt-get upgrade -y",

      "/usr/sbin/waagent -force -deprovision+user && export HISTSIZE=0 && sync"
    ],
    "inline_shebang": "/bin/sh -x",
    "type": "shell"
  }]
}