{ pkgs, lib, config, ... }:
# NOTE: list explicitely the modules loaded by defaults.nix,
# its clearer, safer and more flexible if not quicker.
{ imports = [
  modules/services/mail/dovecot2.nix
  modules/services/mail/rspamd/dkim.nix
  modules/services/mail/postfix.nix
  modules/services/networking/domains.nix
  modules/services/networking/shorewall.nix
  modules/services/networking/shorewall6.nix
  modules/services/networking/shorewall6.nix
  modules/services/databases/openldap.nix
  ];
}

/*
# NOTE: this modules.nix file is put in the imports of the configuration.nix,
# but using the lib.findFiles defined in the nixpkgs.overlays leads to an infinite recursion,
# hence it is redefined here:
let findFiles = pattern:
      with builtins;
      let go = curr:
        let dir = readDir curr; in
        let files = lib.filterAttrs (name: type:
          type == "regular" &&
          match pattern name != null) dir; in
        let dirs = lib.filterAttrs (name: type: type == "directory") dir; in
        map (name: "${curr}/${name}") (attrNames files) ++
        lib.concatMap (name: go "${curr}/${name}") (attrNames dirs)
        ;
      in go ;
in
{
  imports = findFiles ".*\\.nix" ./modules;
}
*/