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 ...
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