Day 57: Print Environment Variables

☸️ Day 57: Print Environment Variables | 100 Days of DevOps

Welcome to Day 57 of the 100 Days of DevOps series! In this lab, you’ll learn how to configure and use environment variables inside a Kubernetes Pod.

📌 Lab Objective:
Create a Kubernetes Pod that prints environment variable values using a shell command.

🛠️ Task Requirements:

Pod Name: print-envars-greeting
Container Name: print-env-container
Image: bash
Restart Policy: Never

🔹 Environment Variables:

GREETING = Welcome to
COMPANY = DevOps
GROUP = Industries

💻 What You’ll Configure:

🔹 Create a Kubernetes Pod
🔹 Configure custom environment variables
🔹 Execute shell commands inside the container
🔹 Print environment variable values using /bin/sh
🔹 Configure restartPolicy to avoid crash loops
🔹 Verify output using Kubernetes logs

📚 What You’ll Learn:

Kubernetes environment variables
Passing configuration into containers
Working with container commands and arguments
Understanding restart policies in Kubernetes
Viewing Pod logs using kubectl
Basic container runtime behavior

🌟 Why This Lab Matters:
Environment variables are commonly used in real-world Kubernetes deployments for application configuration, secrets management, and dynamic runtime behavior.

🎯 Series: 100 Days of DevOps
Master Kubernetes and DevOps concepts step by step through practical hands-on labs.

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