I hope this introductory chapter got you hooked to Docker. The upcoming chapters will take you into the Docker world and try to dazzle you with its awesomeness.
In this chapter, you learned some history and some basics on Docker and how it works. We saw how it is different from and advantageous over VM.
Then we proceeded to install Docker on our development setup, be it Ubuntu, Mac, or Windows. Then we saw how to replace OpenStack's hypervisor with Docker. Later, we built Docker from source, within Docker! Talk about eating your own dog food!
Finally, we downloaded our first image and ran our first container. Now you can pat your self on the back and proceed to the next chapter, where we will cover the primary Docker commands in depth and ...