Deployment & Environments
Development Environment
What It Is
Where you build and test code on your own machine
Analogy
Your test kitchen — you can make mistakes, experiment, and no customers will see
Try It Out
🛠️Development
localhost:3000Your local machine for building and testing
Environment Variables3 differences highlighted
NODE_ENV="development"DEBUG="true"API_URL="http://localhost:3001"
🛠️
Local Development
Your local machine. Safe to experiment and break things.
Click tabs to compare configurations. Yellow highlights show values that differ between environments.
Related Terms in Deployment & Environments
Localhost
A restaurant that only you can eat at — it's fully functional but not open to the public
Staging Environment
A dress rehearsal — everything is real except the audience
Production Environment
The restaurant is open — real customers, real orders, real consequences
Deploy
Moving from your test kitchen to opening night — the code goes from your computer to the internet