Lab
A Cloud Guru

Committing a New Container Image

In this hands-on lab scenario, you will be connecting to and modifying a Docker container. In addition, you will save the container changes to a new image and start a new container from the newly created image. Upon completion of this lab, you will know how to make small modifications to an existing container and save those changes as an image for future use.

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Path Info

Level

Beginner

Duration

15m

Published

Apr 20, 2023

Challenge

Modify a Container
- Verify the container web-1 is running.
- Connect to the container.
- Add the message "A guru was here in this container" to the file /usr/share/nginx/html/index.html.
Challenge

Commit the Modified Container

Commit the changes to the container web-1 to a new image named server-1:5000/my-web:v1.
Challenge

Verify the Container Changes
- Start a new container named web-2 using the image server-1:5000/my-web:v1. Map container port 80 to host port 8080.
- Using curl and a web browser, verify your changes are present on web-2.

Author

A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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.