var privateKey = fs.readFileSync('/root/cert/nodeweeazy.key', 'utf8').toString();
var certificate = fs.readFileSync('/root/cert/3eaecf20fe06a92f.crt', 'utf8').toString();
var ca = fs.readFileSync('/root/cert/gd_bundle-g2-g1.crt').toString();
var credentials = { key: privateKey, cert: certificate, ca: ca };
var app = express();
var httpsServer = https.createServer(credentials, app);
var io = require('socket.io')(httpsServer);