The "It Works on My Machine" Trap: A Real-World Production Checklist 🚀

Most beginners think deployment is just zipping files and uploading them to GoDaddy or Hostinger. But local code and production environments are two entirely different beasts.

Ignoring production best practices leads to the ultimate developer nightmare: middle-of-the-night crashes, leaked databases, and exposed API keys.

Here is the raw, practical checklist of things developers actually mess up, along with the real-world examples of how they break.

1. Secrets & Environment Variables