Json file for Packer to build windows ami to be used as Jenkins Slave

windows.json

{
  "variables": {
    "ami-description": "Windows Server for Jenkins Slave ({{isotime \"2006-01-02-15-04-05\"}})",
    "ami-name": "windows-slave-for-jenkins-{{isotime \"2006-01-02-15-04-05\"}}",
    "aws_access_key": "",
    "aws_secret_key": ""
  },

  "builders": [
    {
      "ami_description": "{{user `ami-description`}}",
      "ami_name": "{{user `ami-name`}}",
      "ami_regions": [
        "us-east-1"
      ],
      "ami_users": [
        "XXXXXXXXXX"
      ],
      "ena_support": "true",
      "instance_type": "t3.medium",
      "region": "us-east-1",
      "source_ami_filter": {
        "filters": {
          "name": "Windows_Server-2016-English-Full-Containers-*",
          "root-device-type": "ebs",
          "virtualization-type": "hvm"
        },
        "most_recent": true,
        "owners": [
          "amazon"
        ]
      },
      "sriov_support": "true",
      "user_data_file": "scripts/SetUpWinRM.ps1",
      "communicator": "winrm",
      "winrm_username": "Administrator",
      "winrm_insecure": true,
      "winrm_use_ssl": true,
      "tags": {
        "Name": "{{user `ami-name`}}"
      },
      "type": "amazon-ebs"
    }
  ],
  "post-processors": [
  {
    "inline": [
      "echo AMI Name {{user `ami-name`}}",
      "date",
      "exit 0"
    ],
    "type": "shell-local"
  }
  ],
  "provisioners": [
    {
      "type": "powershell",
      "valid_exit_codes": [ 0, 3010 ],
      "scripts": [
        "scripts/disable-uac.ps1",
        "scripts/enable-rdp.ps1",
        "install_windows.ps1"
      ]
    },
    {
      "type": "windows-restart",
      "restart_check_command": "powershell -command \"& {Write-Output 'restarted.'}\""
    },
    {
      "type": "powershell",
      "inline": [
        "C:\\ProgramData\\Amazon\\EC2-Windows\\Launch\\Scripts\\InitializeInstance.ps1 -Schedule",
        "C:\\ProgramData\\Amazon\\EC2-Windows\\Launch\\Scripts\\SysprepInstance.ps1 -NoShutdown"
      ]
    }
  ]
}