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Scaling with Stateless Containers in Kubernetes

Stateless applications are a great tool to help facilitate robustness and high availability. In this lab, you will get hands-on with stateless containers. You will have the opportunity to design an application with stateless containers, and you will be able to see how easy it is to scale stateless applications in Kubernetes.

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Lab platform
Lab Info
Level
Intermediate
Last updated
Sep 16, 2025
Duration
30m

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Table of Contents
  1. Challenge

    Configure the App's Containers to Be Stateless

    Make the container file system for the app's containers read-only.

    The application needs to be able to write to /tmp. You will need to create an external volume to allow the application to write to this directory at runtime.

    You can find a deployment descriptor for the app at /home/cloud_user/pirate-day.yml.

  2. Challenge

    Scale the Application Up

    Increase the number of replicas for the application to 5.

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