app.js

// app.js

var Server = require('http').Server;
var Express = require('express');
var request = require('request');
var bodyParser = require('body-parser');
var cookieParser = require('cookie-parser');
var fs = require('fs');
var path = require('path');
var sizeOf = require('image-size');
var cors = require('cors');
var morgan = require('morgan');

// Load .env configuration
const envFilePath = process.env.NODE_ENV === 'production' ? '.env' : '.env.development';
const envLoadResult = require('dotenv').config({ path: envFilePath });
if (envLoadResult.error) {
    throw envLoadResult.error;
}
// console.log(envLoadResult.parsed);

// Load StickyBoard config file
const stickyboardConfig = require('./stickyboard.config');

// Initialize the app
const app = new Express()
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());
app.use(cookieParser());
app.use(cors());
app.use(morgan('dev'));
// Configure support for ejs templates
app.set('view engine', 'ejs');
app.set('views', path.join(__dirname, 'src', 'views'));
// Initialize the server
const server = new Server(app);

// Define static assets folder
app.use('/static', Express.static(path.join(__dirname, 'src', 'static')));
app.use('/dist', Express.static(path.join(__dirname, 'dist')));

// Set port and running environment
const port = process.env.PORT || 3000
const env = process.env.NODE_ENV || 'production'
delete process.env.BROWSER

// Set app bundle URL depends on running environment
var appBundleUrl
switch (env) {
case 'production':
    appBundleUrl = '/dist/app.bundle.js'
    break
case 'development':
    appBundleUrl = 'http://localhost:8080/app.bundle.js'
    break
}

app.get('*', function (req, res) {
    res.render('index', { ...stickyboardConfig, 'APP_BUNDLE_URL': appBundleUrl });
});

// Start the server
server.listen(port, err => {
    if (err) {
        console.error(err);
        setTimeout(startServer, 3000);
        return;
    }
    console.info(`Server running on http://localhost:${port} [${env}]`);
});