{
  pkgs,
  inputs,
  ...
}:
{
  disabledModules = [
    "services/mail/stalwart-mail.nix"
  ];
  imports = [
    "${inputs.nixpkgs-stalwart-fix}/nixos/modules/services/mail/stalwart-mail.nix"
    # Machine-specific configurations.
    ./bootloader.nix
    ./firewall.nix
    ./networking.nix
    ./hardware.nix
    ./packages.nix

    # DN42 Services
    ./dn42/default.nix

    # Running Services
    ./services/acme.nix
    ./services/caddy.nix
    ./services/fail2ban.nix
    ./services/mailserver
    ./services/prometheus.nix
    ./services/secrets.nix
    ./services/tailscale.nix
  ];
  fileSystems = {
    "/" = {
      fsType = "ext4";
      device = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_21170924-part1";
    };
  };

  nix.settings.max-jobs = 2;
  nix.settings.cores = 2;

  programs.fish.enable = true;
  programs.fish.interactiveShellInit = ''
    ${pkgs.direnv}/bin/direnv hook fish | source
  '';
  py = {
    profiles.server.enable = true;
    users.default.enable = true;
    programs = {
      fish.enable = true;
      neovim.enable = true;
    };
    services.scrutiny.collector.enable = false;
  };
  security.tpm2.enable = false;
  security.tpm2.abrmd.enable = false;
}