azure-packer.json

{
  "variables": {
    "client_id": "{{env `AZURE_CLIENT_ID`}}",
    "client_secret": "{{env `AZURE_CLIENT_SECRET`}}",
    "tenant_id": "{{env `AZURE_TENANT_ID`}}",
    "subscription_id": "{{env `AZURE_SUBSCRIPTION_ID`}}",
    "object_id": "{{env `AZURE_OBJECT_ID`}}"
    },
  "builders": [{
    "type": "azure-arm",

    "client_id": "{{user `client_id`}}",
    "client_secret": "{{user `client_secret`}}",
    "tenant_id": "{{user `tenant_id`}}",
    "subscription_id": "{{user `subscription_id`}}",
    "object_id": "{{user `object_id`}}",

    "managed_image_resource_group_name": "MyPacker",
    "managed_image_name": "myPackerImage",


    "virtual_network_name": "abcd",               
    "virtual_network_subnet_name": "Development",       
    "virtual_network_resource_group_name": "Networking",

    "os_type": "Windows",
    "image_publisher": "MicrosoftWindowsServer",
    "image_offer": "WindowsServer",
    "image_sku": "2016-Datacenter",

    "disk_additional_size": "12",

    
    "communicator": "winrm",
    "winrm_use_ssl": "true",
    "winrm_insecure": "true",
    "winrm_timeout": "10m",
    "winrm_username": "packer",

    "azure_tags": {
        "dept": "Engineering",
        "task": "Image deployment"
    },

    "location": "australiasoutheast",
    "vm_size": "Standard_DS2_v2"
  }],
  "provisioners": [
    {
      "type": "powershell",
      "inline": ["mkdir c:\\Packer"]
    },
    {
      "type": "file",
      "source": "ToUpload/",
      "destination": "c:\\Packer"
    },
    {
      "type": "windows-restart",
      "restart_check_command": "powershell -command \"& {Write-Output 'restarted.'}\""
    },
    {
      "type": "windows-restart",
      "restart_check_command": "powershell -command \"& {Write-Output 'restarted.'}\""
    },
    {
      "type": "powershell",
      "script": 
        "ToUpload/join_domain.ps1"
    },
    {
      "type": "windows-restart",
      "restart_timeout": "10m",
      "restart_check_command": "powershell -command \"& {Write-Output 'restarted.'}\""
    },
    {
    "type": "powershell",
    "inline": [
      "Install-WindowsFeature Web-Server",
      "if( Test-Path $Env:SystemRoot\\windows\\system32\\Sysprep\\unattend.xml ){ rm $Env:SystemRoot\\windows\\system32\\Sysprep\\unattend.xml -Force}",
      "& $Env:SystemRoot\\System32\\Sysprep\\Sysprep.exe /oobe /generalize /quiet /quit"
    ]
  }]
}

Azure credentials need to be specified before running this JSON file.