guix-base.json

{
    "variables": {
	"aws_access_key": "{{ env `AWS_ACCESS_KEY`}}",
	"aws_secret_key": "{{ env `AWS_SECRET_KEY`}}"
    },
    "provisioners": [
	{
	    "type": "file",
	    "source": "authorized_keys",
	    "destination": "/home/ubuntu/authorized_keys"
	},
	{
	    "type": "file",
	    "source": "sudoers",
	    "destination": "/home/ubuntu/sudoers"
	},
	{
	    "type": "file",
	    "source": "aws-fetch-ssh-key",
	    "destination": "/home/ubuntu/aws-fetch-ssh-key"
	},
	{
	    "type": "file",
	    "source": "config.scm",
	    "destination": "/home/ubuntu/config.scm"
	},
	{
	    "type": "file",
	    "source": "cow-store.sh",
	    "destination": "/home/ubuntu/cow-store.sh"
	},
	{
	    "type": "file",
	    "source": "guix.sh",
	    "destination": "/home/ubuntu/guix.sh"
	},
	{
	    "type": "shell",
	    "inline": "sudo bash /home/ubuntu/guix.sh"
	}
    ],
    "builders": [{
	"type": "amazon-ebssurrogate",
	"ami_virtualization_type": "hvm",
	"access_key": "{{user `aws_access_key`}}",
	"secret_key": "{{user `aws_secret_key`}}",
	"region": "eu-west-1",
	"source_ami_filter": {
	    "filters": {
		"virtualization-type": "hvm",
		"name": "ubuntu/images/*ubuntu-xenial-16.04-amd64-server-*",
		"root-device-type": "ebs"
	    },
	    "owners": ["099720109477"],
	    "most_recent": true
	},
	"instance_type": "t2.small",
	"ssh_username": "ubuntu",
	"ami_name": "guix-packer {{timestamp}}",
	"ena_support": true,
	"launch_block_device_mappings" : [
	    {
		"volume_type" : "gp2",
		"device_name" : "/dev/xvdf",
		"delete_on_termination" : false,
		"volume_size" : 8
	    }
	],
	"ami_root_device": {
	    "source_device_name": "/dev/xvdf",
	    "device_name": "/dev/xvda",
	    "delete_on_termination": true,
	    "volume_size": 8,
	    "volume_type": "gp2"
	}
    }]
}