server.js

// Copyright 2015-2016, Google, Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// [START app]
'use strict';

// [START setup]
var express = require('express');
var path = require('path');

var app = express();
app.enable('trust proxy');
// [END setup]

// Setup view engine
app.set('view engine', 'jade');
app.set('views', path.join(__dirname, 'views'));

app.use(express.static(path.join(__dirname, 'public')));

app.get('/', function (req, res) {
  res.render('index');
});

// [START listen]
var PORT = process.env.PORT || 8080;
app.listen(PORT, function () {
  console.log('App listening on port %s', PORT);
  console.log('Press Ctrl+C to quit.');
});
// [END listen]
// [END app]

module.exports = app;