anchor.diff:      ok;
   apply_existing_main_config(_) ->
       apply_settings(main, "", ?MAIN_SETTINGS),
  -    EpReturn = ?CONFIG(ep_return),
  +    EpReturn = ?CONFIG(ep_oidc),
       HostName = ?CONFIG(hostname),
       LProt = local_protocol(),
       LPort = local_port(),
  
positive.code:     erlang:binary_to_integer(Port);
  listen_port(ListenPort, _, _) ->
      erlang:binary_to_integer(ListenPort).
  
  
  
negative.code:           {"HostName", hostname, binary, "localhost"},
            {"Port", port, binary, "default"},
            {"ListenPort", listen_port, binary, "default"},
            {"EpOidc", ep_oidc, binary, "/oidc"},
            {"EpMain", ep_main, binary, "/"},
            {"EpApi", ep_api, binary, "/api"},
            {"SSL", ssl, boolean, true},
            {"CaCertFile", ca_cert_file, file, "cert/ca.cert"},
  