http and https server with gulp and express

gulpfile.js

/* TODO

try fallback directory for ssl certs and keys, if no others found...

*/

/*

npm install gulp file-system spdy express compression dotenv --save-dev

*/

var gulp         = require('gulp');
var fs           = require('file-system');
var http         = require('http');
var http2        = require('spdy');
var express      = require('express');
var compression  = require('compression');

var serveStatic  = require('serve-static');
var runSequence  = require('run-sequence');
var del          = require('del');

require('dotenv').config();

var sslCrt, sslKey;

fs.open('./.env', 'r', (err) => {
    if (err) {
        if (err.code === 'ENOENT') {
            console.log('.env file not found!!');
            return;
        }
        throw err;
    } else {
        fs.readFile('./.env', 'utf8', (err, data) => {
            if(data.indexOf('SSL_CRT_PATH') < 0){
                console.log("no 'SSL_CRT_PATH' found!!");
            } else {
                sslCrt = process.env.SSL_CRT_PATH.toString();
                sslKey = process.env.SSL_KEY_PATH.toString();
            }
        })
    }
});

// https server with gzip and http2

gulp.task('https-server', function(){
   
    var privateKey  = fs.readFileSync(sslKey, 'utf8');
    var certificate = fs.readFileSync(sslCrt, 'utf8');
    
    var credentials = {key: privateKey, cert: certificate};
    var app = express();
    app.use(compression())
    app.use(serveStatic('./dist', {
        'extensions': ['html'],
        'maxAge': 3600000
    }))
    var httpsServer = http2.createServer(credentials, app);
    httpsServer.listen(8889);
    console.log("https://localhost:8889")
})

// http server with gzip

gulp.task('http-server', function(){
    var app = express();
    app.use(compression())
    app.use(serveStatic('./dist', {
        'extensions': ['html'],
        'maxAge': 3600000
    }))
    var httpServer = http.createServer(app);
    httpServer.listen(8888);
    console.log("http://localhost:8888")
})