{ ... }: {
  disko.devices = {
    disk = {
      vda = {
        type = "disk";
        device = "/dev/vda";
        content = {
          type = "table";
          format = "gpt";
          partitions = [
            {
              name = "boot";
              start = "0";
              end = "1M";
              part-type = "primary";
              flags = [ "bios_grub" ];
            }
            {
              name = "ESP";
              start = "1MiB";
              end = "265MiB";
              bootable = true;
              content = {
                type = "filesystem";
                format = "vfat";
                mountpoint = "/boot";
                mountOptions = [
                  "defaults"
                ];
              };
            }
            {
              name = "luks";
              start = "265MiB";
              end = "100%";
              content = {
                type = "luks";
                name = "crypted";
                extraOpenArgs = [ "--allow-discards" ];
                # if you want to use the key for interactive login be sure there is no trailing newline
                # for example use `echo -n "password" > /tmp/secret.key`
                keyFile = "/tmp/secret.key";
                content = {
                  type = "lvm_pv";
                  vg = "pool";
                };
              };
            }
          ];
        };
      };
    };
    lvm_vg = {
      pool = {
        type = "lvm_vg";
        lvs = {
          nix = {
            size = "100%";
            content = {
              type = "filesystem";
              format = "ext4";
              mountpoint = "/nix";
              mountOptions = [
                "defaults"
              ];
            };
          };
        };
      };
    };
    nodev = {
      "/" = {
        fsType = "tmpfs";
        mountOptions = [
          "size=2G"
          "defaults"
          "mode=755"
        ];
      };
    };
  };
  fileSystems."/var/log" =
    {
      device = "/nix/persistent/varlog";
      fsType = "bind";
      neededForBoot = true;
    };
  fileSystems."/persistent" =
    {
      device = "/nix/persistent";
      fsType = "bind";
      neededForBoot = true;
    };
}