There are lots of places inside Docker (both at the engine level and container level) that use or work with storage.
In this post, I'll take a broad look at a few of them, including: image storage, the copy-on-write mechanism, union file systems, storage drivers, and volumes.
You'll need Docker installed locally on your machine if you want to try out some of the commands in this post. Check out the official docs for how to install Docker on Linux, or our previous post showing how to install Docker on a non-Linux machine.
Let's dive in.Read More