{
  device ? throw "Set this to your disk device, e.g. /dev/sda",
  ...
}: {
  disko.devices = {
    disk = {
      main = {
      inherit device;
      type = "disk";
      content = {
        type = "gpt";
        partitions = {
          boot = {
            name = "boot";
            size = "1M";
            type = "EF02";
            priority = 1;
          };
          esp = {
            name = "ESP";
            size = "500M";
            type = "EF00";
            content = {
              type = "filesystem";
              format = "vfat";
              mountpoint = "/boot";
              mountOptions = [ "unmask=0077" ];
            };
          };
          root = {
            name = "root";
            size = "100%";
            content = {
              type = "filesystem";
              format = "ext4";
              mountpoint = "/";
            };
          };
        };
      };
    };
  };

  };
}