config.json

{
    "hostname": "newhostname",
    "swap_mb": 1024,
    "expand_fs": true,
    "wifi_settings": {
        "country": "CH",
        "ssid": "mywifiname",
        "psk": "mywifipassword"
    },
    "network_config": [
        {
            "interface": "eth0",
            "ip_address": "192.168.1.105/24",
            "routers": "192.168.1.1",
            "domain_name_servers": [
                "8.8.8.8",
                "8.8.4.4"
            ]
        },
        {
            "interface": "wlan0",
            "ip_address": "192.168.1.106/24",
            "routers": "192.168.1.1",
            "domain_name_servers": [
                "8.8.8.8",
                "8.8.4.4"
            ]
        }
    ],
    "set_locale_en_us": true,
    "reduce_journald_size": true,
    "new_user_password": "newpassword",
    "disable_password_login": false,
    "update_packages": true
}