Simple SSL Koa JS server (HTTPS for Localhost)

koa-app.js

const Koa = require('koa');
const path = require('path');
const serve = require('koa-static');
const http = require('http');
const https = require('https');
const fs = require('fs');

const commonDir = path.join(__dirname, '..', 'Client');

const app = new Koa();

// ============== Static files and html-templates

app.use(serve('.'));
app.use(serve(commonDir));

let appCallback = app.callback();

// ============== Server config

const config = {};

config.ports = {
    http: 6009,
    https: 7009
};

// ============ Path to openssl files
config.sslOptions = {
  key: fs.readFileSync('ssl/key.pem', 'utf8').toString(),
  cert: fs.readFileSync('ssl/cert.pem', 'utf8').toString(),
};

// ============== HTTP Server

try {
  const httpServer = http.createServer(appCallback);
  httpServer
    .listen(config.ports.http, function(err) {
      if (!!err) {
        console.error('HTTP server FAIL: ', err, (err && err.stack));
      }
      else {
        console.log(`${new Date().toLocaleString()} - HTTP listening on port ${config.ports.http}`);
      }
    });
}
catch (ex) {
  console.error('Failed to start HTTP server\n', ex, (ex && ex.stack));
}

// ============== HTTPS Server

  try {
    const httpsServer = https.createServer(config.sslOptions, appCallback);
    httpsServer
      .listen(config.ports.https, function(err) {
        if (!!err) {
          console.error('HTTPS server FAIL: ', err, (err && err.stack));
        }
        else {
          console.log(`${new Date().toLocaleString()} - HTTPS listening on port ${config.ports.https}`);
        }
      });
  }
  catch (ex) {
    console.error('Failed to start HTTPS server\n', ex, (ex && ex.stack));
  }