system/modules/nixos/services/default.nix

{ ... }:

{
  imports = [
    ./collect-garbage.nix
    ./byedpi.nix
    ./dnscrypt-proxy2.nix
    ./gnupg.nix
    ./i2pd.nix
    ./kubo.nix
    ./octoprint.nix

    ./vpn
    ./fail2ban
  ];
}