config.json

{
    "addons": {
        "admin-user": {
            "Name": "admin-user",
            "Enabled": true,
            "Priority": 0
        },
        "registry-route": {
            "Name": "registry-route",
            "Enabled": true,
            "Priority": 0
        }
    },
    "cpus": 4,
    "disk-size": "40g",
    "host-only-cidr": "192.168.99.1/24",
    "image-caching": true,
    "iso-url": "centos",
    "memory": 4096,
    "vm-driver": "virtualbox"
}