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Check Kubernetes Pods for Container Immutability

Container immutability can help make containerized applications more secure. This lab will help you hone your skills at assessing container immutability by examining existing Kubernetes containers to determine whether or not they are truly immutable.

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Path Info

Level
Clock icon Advanced
Duration
Clock icon 30m
Last updated
Clock icon Sep 02, 2025

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Table of Contents

  1. Challenge

    Examine the Pods in the dev Namespace

    Examine the Pods in the dev namespace to determine which ones are immutable.

    Consider immutable to be defined as:

    • The container must not have any elevated privileges.
    • The container must not be able to write to the container file system.

  2. Challenge

    Delete Any Pods That Are Not Immutable

    If any of the Pods in the dev namespace are not immutable, delete them.

Pluralsight Skills - Labs - Pluralsight
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Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

Provided environment for hands-on practice

We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.
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