disko-config.nix

{
  disko.devices = {
    disk.main = {
      device = "/dev/nvme0n1";
      type = "disk";
      content = {
        type = "gpt";
        partitions = {
          ESP = {
            priority = 1;
            name = "ESP";
            size = "128M";
            type = "EF00";
            content = {
              type = "filesystem";
              format = "vfat";
              mountpoint = "/boot";
            };
          };
          root = {
            label = "ROOT";
            end = "-0";
            content = {
              type = "btrfs";
              extraArgs = [ "-f" ];
              subvolumes = {
                "nix" = {
                  mountpoint = "/nix";
                  mountOptions = [ "compress=zstd" ];
                };
                "persist" = {
                  mountpoint = "/persist";
                  mountOptions = [ "compress=zstd" ];
                };
              };
            };
          };
        };
      };
    };
    nodev = {
      "/" = {
        fsType = "tmpfs";
        mountOptions = [
          "defaults"
          "mode=755"
        ];
      };
    };
  };
  fileSystems."/persist".neededForBoot = true;
}