Customizing and Launching an Existing Container Image

Libraries: If you want this lab, consider one of these libraries.
Cloud

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.

Get started Contact sales

Lab Info

Level

Beginner

Last updated

Nov 06, 2025

Duration

30m

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.
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.
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.

About the author

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.

Real skill practice before real-world application

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.

Learn by doing

Engage hands-on with the tools and technologies you’re learning. You pick the skill, we provide the credentials and environment.

Follow your guide

All labs have detailed instructions and objectives, guiding you through the learning process and ensuring you understand every step.

Turn time into mastery

On average, you retain 75% more of your learning if you take time to practice. Hands-on labs set you up for success to make those skills stick.