server.ts

// @note start server with pm2 in production
module.exports = (function() {
    const argv = require('yargs').argv;

    const env = argv.env || process.env.NODE_ENV || 'dev';
    const port = <number> argv.port || 3000;

    var app = require('express')();
    const octvConfig = require('./octv.environments')(env);

    const bootstrap = require('./bootstrap');

    bootstrap(app, octvConfig);

    let server = app.listen(port, function () {
        console.log('App serving at http://%s:%s', server.address().address, server.address().port);
        console.log('Current environment is:', env);
    })
    .on('error', function() {
        console.log('Application server error:', { 'args': arguments });
    });

    return server;
}());