Env Var Vault 🔐: Can You Pick the Right Deployment Variables?

Environment variables are the glue that hold together modern applications — from local dev configurations to container secrets, cloud functions, and CI/CD pipelines. But do you really know your $PORT from your $GITHUB_REPOSITORY? 🧠

Env Var Vault is an interactive quiz game where you’ll guess (and learn) the right environment variables for a variety of technical scenarios. Whether it’s a Dockerfile for Node apps or a Lambda function, each question challenges your devops brain 🧩.

🎯 What You’ll Learn

Key environment variables used in Docker, AWS, GitHub Actions, and Linux
How and why config is passed via env vars
Best practices for keeping secrets out of code

🔍 Real-Time Feedback and Scoring

As you play, each response gives instant visual feedback: green means correct ✅, red means try harder 🚫. You’ll see your score update in real-time, and can go back anytime to replay or revisit.

🌓 Built-In Dark Mode

Click the moon/sun icon to toggle light or dark themes — your eyes will thank you.

Ready to lock in your env var powers?

Launch Env Var Vault Now 🔐