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Rolling Updates with Kubernetes Deployments

Deployments provide powerful automation for application management in Kubernetes. One of the things deployments can do is to allow you to perform rolling updates. Rolling updates enable you to update your containers to new versions gradually, without incurring downtime. In this lab, you will have a chance to learn, hands-on, how to perform a rolling update, as well as a rollback to previous version.

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Path Info

Level
Clock icon Intermediate
Duration
Clock icon 1h 0m
Last updated
Clock icon Sep 03, 2025

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Table of Contents

  1. Challenge

    Perform a rolling update of the container version

    Update the deployment to the new version like so:

    kubectl set image deployment/candy-deployment candy-ws=linuxacademycontent/candy-service:3 --record

    Check the progress of the rolling update:

    kubectl rollout status deployment/candy-deployment

    If the update is not finished after a few minutes, something may be wrong with the update.

  2. Challenge

    Roll back to the previous working state

    In this scenario, the rolling update should fail. This is because the specified image, linuxacademycontent/candy-service:3, does not exist. Roll back to the previous version to get things working again.

    Get a list of previous revisions.

    kubectl rollout history deployment/candy-deployment

    Undo the last revision.

    kubectl rollout undo deployment/candy-deployment

    Check the status of the rollout.

    kubectl rollout status deployment/candy-deployment

    This command should complete soon, saying the rollout was successful.

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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.

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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.

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

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

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