Chapter 2. Understanding Docker: Inside the engine room

This chapter covers
  • Docker’s architecture
  • Tracing the internals of Docker on your host
  • Using the Docker Hub to find and download images
  • Setting up your own Docker registry
  • Getting containers to communicate with each other

Grasping Docker’s architecture is key to understanding Docker more fully. In this chapter you’ll get an overview of Docker’s major components on your machine and on the network, and you’ll learn some techniques that will develop this understanding.

In the process, you’ll learn some nifty tricks that will help you use Docker (and Linux) more effectively. Many of the later and more advanced techniques in this book will be based on what you see here, ...

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