{
    "builders": [{
        "type": "virtualbox-iso",
        "guest_os_type": "Debian",
        "iso_url": "http://cdimage.debian.org/debian-cd/7.7.0/i386/iso-cd/debian-7.7.0-i386-netinst.iso",
        "iso_checksum": "55312b562c4559187bb175959eacb783ab3ab15ff882bd6ad171e8159850a767",
        "iso_checksum_type": "sha256",
        "ssh_username": "demo",
        "ssh_password": "babelbox",
        "ssh_wait_timeout": "30s",
        "shutdown_command": "echo 'packer' | sudo -S shutdown -P now",
        "disk_size": 8192,
        "headless": false,
        "http_directory": "http"
    }]
}