nixcfg/machines/manager/disk.nix

{
  disko.devices = {
    disk."system" = {
      device = "/dev/disk/by-path/pci-0000:01:00.0-scsi-0:1:1:0";
      type = "disk";
      content = {
        type = "gpt";
        partitions = {
          ESP = {
            start = "1MiB";
            size = "100MiB";
            type = "EF00";
            content = {
              type = "filesystem";
              format = "vfat";
              mountpoint = "/boot";
            };
          };
          root = {
            start = "100MiB";
            end = "-4GB";
            content = {
              type = "filesystem";
              format = "btrfs";
              mountpoint = "/";
            };
          };
          swap = {
            end = "100%";
            content = {
              type = "swap";
              randomEncryption = true;
            };
          };
        };
      };
    };
  };
}