app.js

/**
 * Module dependencies.
 */
const express = require('express');
const compression = require('compression');

const bodyParser = require('body-parser');
const logger = require('morgan');
const chalk = require('chalk');
const errorHandler = require('errorhandler');
const lusca = require('lusca');
const dotenv = require('dotenv');

const path = require('path');
const expressValidator = require('express-validator');
const expressStatusMonitor = require('express-status-monitor');

/**
 * Load environment variables from .env file, where API keys and passwords are configured.
 */
dotenv.load({ path: '.env.example' });

/**
 * Controllers (route handlers).
 */
const homeController = require('./controllers/home');
/**
 * Create Express server.
 */
const app = express();

/**
 * Express configuration.
 */
app.set('host', process.env.OPENSHIFT_NODEJS_IP || '0.0.0.0');
app.set('port', process.env.PORT || process.env.OPENSHIFT_NODEJS_PORT || 8080);
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');
app.use(expressStatusMonitor());
app.use(compression());
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(expressValidator());

app.use(lusca.xframe('SAMEORIGIN'));
app.use(lusca.xssProtection(true));
app.use(express.static(path.join(__dirname, 'public'), { maxAge: 31557600000 }));

/**
 * Primary app routes.
 */
app.get('/', homeController.index);

/**
 * Error Handler.
 */
app.use(errorHandler());

/**
 * Start Express server.
 */
app.listen(app.get('port'), () => {
  console.log('%s App is running at http://localhost:%d in %s mode', chalk.green('✓'), app.get('port'), app.get('env'));
  console.log('  Press CTRL-C to stop\n');
});

module.exports = app;