Deployment & Environments
Port
What It Is
A numbered channel where programs communicate on your computer
Analogy
Like apartment numbers in a building — 3000, 8080, 5000 are different "doors" for different programs
Try It Out
Ports in Action
Related Terms in Deployment & Environments
Localhost
A restaurant that only you can eat at — it's fully functional but not open to the public
Development Environment
Your test kitchen — you can make mistakes, experiment, and no customers will see
Staging Environment
A dress rehearsal — everything is real except the audience
Production Environment
The restaurant is open — real customers, real orders, real consequences