Chapter 5

Managing Container Images

IN THIS CHAPTER

Bullet Making and saving changes to images

Bullet Pushing images to Docker Hub

Bullet Pulling images from Docker Hub

Bullet Image versioning

As you make changes to your container images, you’ll get to the point where you’re happy with where the current container image is and you want to save the changes so that people can simply launch your new container image instead of having to run the image from a dockerfile and configure and tweak the image from there.

In this chapter, I show you how to save changes that you’ve made to your container images. I also explain more about pulling and pushing images to repositories.

Making Changes to Images and Saving the Changes You Make

When you launch containers, you can interact with them on a similar level to a regular system from the command line. You can create users and groups, and you can run PowerShell to install roles and features. After you’ve made these changes, you may decide you don’t need them anymore. The great thing about containers is that when you don’t need them anymore, you can exit out of the container ...

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