nixos-config/hosts/fern/disko.nix

{ inputs, ... }:
{
  imports = [ inputs.disko.nixosModules.default ];

  disko.devices = {
    disk.main = {
      type = "disk";
      device = "/dev/nvme0n1";
      content = {
        type = "gpt";
        partitions = {
          ESP = {
            type = "EF00";
            size = "512M";
            content = {
              type = "filesystem";
              format = "vfat";
              mountpoint = "/boot";
              mountOptions = [ "defaults" ];
            };
          };
          luks = {
            size = "100%";
            content = {
              name = "cryptroot";
              type = "luks";
              settings = {
                allowDiscards = true;
                bypassWorkqueues = true;
              };
              passwordFile = "/tmp/secret.key";
              content = {
                type = "lvm_pv";
                vg = "pool";
              };
            };
          };
        };
      };
    };
    lvm_vg.pool = {
      type = "lvm_vg";
      lvs = {
        swap = {
          size = "20G";
          content = {
            type = "swap";
            resumeDevice = true;
          };
        };
        root = {
          size = "100%FREE";
          content = {
            type = "filesystem";
            format = "ext4";
            mountpoint = "/";
            mountOptions = [ "defaults" ];
          };
        };
      };
    };
  };
}