template.json

{
	"variables": {
		"aws_access_key_id": "{{ env `AWS_ACCESS_KEY_ID` }}",
		"aws_secret_access_key": "{{ env `AWS_SECRET_ACCESS_KEY` }}",
		"region": "{{ env `AWS_REGION` }}",

		"image_name": "Windows Image",
		"ami_name_prefix": "windows-base"
	},
	"builders": [{
		"type": "amazon-ebs",

		"access_key": "{{ user `aws_access_key_id` }}",
		"secret_key": "{{ user `aws_secret_access_key` }}",
		"region": "{{user `region`}}",
		"spot_price_auto_product": "Windows (Amazon VPC)",

		"instance_type": "t2.medium",
		"associate_public_ip_address": true,
		"user_data_file": "files/configure-source-ssh.ps1",
		"source_ami_filter": {
			"filters": {
				"name": "Windows_Server-2016-English-Full-Base-*",
				"root-device-type": "ebs",
				"virtualization-type": "hvm"
			},
			"most_recent": true,
			"owners": [
				"801119661308"
			]
		},

		"communicator": "ssh",
		"ssh_timeout": "10m",
		"ssh_username": "Administrator",

		"ami_description": "{{ user `image_name` }}",
		"ami_name": "{{ user `ami_name_prefix` }}-{{isotime \"2006-01-02-1504\"}}",
		"ami_virtualization_type": "hvm",
		"snapshot_tags": {
			"Name": "{{ user `image_name` }}",
			"OS": "Windows-2016"
		},
		"tags": {
			"Name": "{{ user `image_name` }}",
			"OS": "Windows-2016"
		}
	}],
	"provisioners": [
		{
			"type": "powershell",
			"inline": [
				"echo 'Provision Things Here' | Out-File C:/test.txt"
			]
		},
		{
			"type": "powershell",
			"script": "files/prepare-image.ps1"
		}
	]
}