server.js

/**
 * Copyright 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]
const express = require('express');
const path = require('path');

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

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

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

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

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

module.exports = app;