server.json

{
	"variables": {
		"client_id": "{{env `ARM_CLIENT_ID`}}",
		"client_secret": "{{env `ARM_CLIENT_SECRET`}}",
		"subscription_id": "{{env `ARM_SUBSCRIPTION_ID`}}",
		"tenant_id": "{{env `ARM_TENANT_ID`}}",
		"resource_group": "azure-iaas-webserver-rg",
  		"image_name": "packer-image",
  		"location": "West Europe",
		"vm_size": "Standard_D2_v4"
	},
	"builders": [{
		"type": "azure-arm",

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

		"os_type": "Linux",
		"image_publisher": "Canonical",
		"image_offer": "UbuntuServer",
		"image_sku": "18.04-LTS",

		"managed_image_resource_group_name": "{{user `resource_group`}}",
		"managed_image_name": "{{user `image_name`}}",

		"location": "{{user `location`}}",
		"vm_size": "{{user `vm_size`}}",

		"azure_tags": {
        	"Project": "iaas-webserver"
		}
	}],
	"provisioners": [{
		"inline": [
			"echo 'Hello, World!' > index.html",
			"nohup busybox httpd -f -p 80 &"
		],
		"inline_shebang": "/bin/sh -x",
		"type": "shell"
	}]
}