Glossary

Technical terms explained for first-time launchers.

What Is a Domain Name?
Domain names explained for beginners: what they are, how they connect to your app, when you need one, and how to avoid common DNS mistakes at launch.
What Is DNS?
DNS explained simply for beginners: how the internet finds your app, common record types, propagation delays, and mistakes to avoid when connecting a domain at launch.
What Is Debug Mode?
Debug mode explained: what DEBUG=True does, why it is dangerous in production, framework examples for Django and Node, and how to turn it off before launch.
What Are API Keys?
API keys explained for beginners: what they are, where they belong, what never to upload to GitHub, .env vs .env.example, frontend vs backend rules, and what to do if a key leaks.