Let's Encrypt Certificat & Express with Auto Renewal on Ubuntu 18.04

LetsEncrypt&Express.md

sudo apt install letsencrypt

const express = require('express'),
    app = express();
    
app.use(express.static(path.join(__dirname, 'static')));
app.get('/', (req, res) => res.send("I'm ALIVE!"));
app.listen(80);
    

certbot --webroot -w ./static -d {{YOUR DOMAIN}}

/etc/letsencrypt/live

function ensureSecure(req, res, next) {
    if (req.secure) {
        return next();
    }
    res.redirect('https://' + req.hostname + req.url);
}

app.use(express.static(path.join(__dirname, 'static')));
app.all('*', ensureSecure);

app.listen(80);
const options = {
    cert: fs.readFileSync('/etc/letsencrypt/live/{{DOMAIN}}/fullchain.pem'),
    key: fs.readFileSync('/etc/letsencrypt/live/{{DOMAIN}}/privkey.pem')
};
https.createServer(options, app).listen(443);

crontab -e

0 10 * * * /usr/bin/certbot renew && /usr/bin/node /usr/local/bin/pm2 restart serve-scriptscront

References

• https://medium.com/@yash.kulshrestha/using-lets-encrypt-with-express-e069c7abe625
• https://stackoverflow.com/questions/24015292/express-4-x-redirect-http-to-https
• https://expressjs.com/en/starter/static-files.html
• https://certbot.eff.org/docs/