🔐 From 0 Production-Grade Security

“If it works on localhost, hackers say thank you.” Let’s go from completely insecure → production-ready security in simple steps. 0. The Reality Check Every app is vulnerable by default Security is NOT a feature → it’s a layered system Goal: make hacking too expensive & annoying 1. Basic Hygiene (Don’t Be an Easy Target) Use HTTPS only (no excuses) // Express.js app.use((req, res, next) => { if (req.protocol === 'http') { return res.redirect(`https://${req.headers.host}${req.url}`); } next(); })