Windows Server 2022 & Powershell All-in-One For Dummies

Chapter 7

Container Storage

IN THIS CHAPTER

Introducing container storage

Creating a volume inside of a container

Working with persistent volumes

The last chapter of this book covers another foundational topic of computing: storage. Creating containers is fine, but sometimes you need to add storage to your individual container images. Maybe you need to create a new volume inside the container, or maybe you just want to add external storage so that the container has a defined area to copy files from when it’s launching from a dockerfile.

This chapter is all about container storage. I cover what kinds of storage are available and why you should (or shouldn’t) use a type of storage with containers.

Getting Acquainted with Container Storage

Storage in Windows containers is referred to as layer storage because the changes being made to a container are a layer on top of the base container image. Layers are stored by default within the image and windowsfilter directories located under C:\ProgramData\docker.

You can change the storage location by putting a data-root entry into the Docker ...