Chapter 1. Introduction and Installation
In this chapter, we will cover the following recipes:
- Verifying the requirements for Docker installation
- Installing Docker
- Pulling an image and running a container
- Adding a nonroot user to administer Docker
- Setting up the Docker host with Docker Machine
- Finding help with the Docker command line
Introduction
At the very start of the IT revolution, most applications were deployed directly on physical hardware, over the host OS. Because of that single user space, runtime was shared between applications. The deployment was stable, hardware-centric, and had a long maintenance cycle. It was mostly managed by an IT department and gave a lot less flexibility to developers. In such cases, hardware resources were regularly ...
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