Preface
Usually, the first question I get when I mention Docker or this book is What is Docker? So, we might as well answer that question right now and get it out of the way...
Within the circle of friends I hang out with, I would answer that question by saying Docker is a software solution used to build, ship, and run containers anywhere. But if you are not a computer person, then that answer would mean next to nothing to you. So, let's try again, and answer the question What is Docker? in a way that is worthy of a Quick Start Guide.
Docker is a tool that allows software developers to easily create applications, and wrap those applications in a special package called a container. Used correctly, an application packaged as a container can ...
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