let
  lib = import <nixpkgs/lib>;
  mapFileNameToContent = fileName: {
    status = 200;
    contentType = "text/html";
    content = builtins.readFile fileName;
  };
  findFiles = dir:
    let content = builtins.readDir dir;
        processEntry = name: type:
          if type == "directory" then
            findFiles (dir + "/${name}")
          else if type == "regular" then
            [ (dir + "/${name}") ]
          else
            [];
    in
      lib.concatLists (lib.mapAttrsToList processEntry content);
  removePrefix = str: prefix: if builtins.substring 0 (builtins.stringLength prefix) str == prefix
    then builtins.substring (builtins.stringLength prefix) (builtins.stringLength str - builtins.stringLength prefix) str
    else str;
  contentFn = basePath:
    let
      files = findFiles basePath;
      baseLength = builtins.stringLength basePath;
      files' = builtins.filter (file: builtins.match ".*\\.html$" file != null) files;
    in builtins.listToAttrs (map (file: {
          name = removePrefix file basePath;
          value = mapFileNameToContent file;
        }) files');
in
rec {
  "web.nudelerde.de" = contentFn "/etc/nixos/data/web/";
}