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Customizing and Launching an Existing Container Image

In this hands-on lab scenario, you will be searching an image registries, pulling images, modifying containers, saving modified containers, and publishing a container image. Upon completion of this lab, you will have the knowledge and skills required to locate images, modify containers, and publish a new image to a registry.

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Labs

Path Info

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

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Table of Contents

  1. Challenge

    Locate an Image and Run a Container

    • Log in to server-1 with the cloud_user account.
    • Find the nginx image and tag hosted on the private registry server-1:5000. Search is disabled, and the registry requires authentication.
    • Pull the nginx image from registry server-1:5000.
    • Start a container using the nginx image. Name the container web-dev, and map host port 8081 to container port 80.

  2. Challenge

    Modify a Container and Push a New Image

    • Copy the contents of the tar archive /home/cloud_user/llama_cart.tar to web-dev:/usr/share/nginx/html/.
    • Commit the container web-dev to a new image named web-dev with a tag of v1.
    • Tag web-dev:v1 as server-1:5000/llama-racing:v1.
    • Push the new image to the registry on server-1:5000.

  3. Challenge

    Start a Container and Verify Changes

    • Start a new container using the server-1:5000/llama-racing:v1 image. Name the new container llama-racing-web, and map host port 8080 to host port 8081.
    • Verify the containers and images by starting the container named checker. Use the -i option when starting the container.
    • Use a web browser to check the web page using the public IP address for server-1 and port 8080.
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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