{
    "builders": [{
        "type": "amazon-ebs",
        "ami_name": "packer-test {{timestamp}}",
        "instance_type": "m1.small",
        "region": "us-east-1",
        "ssh_username": "ubuntu",
        "source_ami": "ami-0568456c",
        "tags": {
            "packer-test": "true",
            "packer-id": "ami_region_copy"
        },
        "ami_regions": ["us-west-1", "us-west-2"]
    }]
}