set node express server using ssl
const https = require("https"),
fs = require("fs");
const options = {
key: fs.readFileSync("/srv/www/keys/my-site-key.pem"),
cert: fs.readFileSync("/srv/www/keys/chain.pem")
};
const app = express();
app.use((req, res) => {
res.writeHead(200);
res.end("hello world\n");
});
app.listen(8000);
https.createServer(options, app).listen(8080);