Chapter 3. Software installation simplified

This chapter covers

  • Identifying software
  • Finding and installing software with Docker Hub
  • Installing software from alternative sources
  • Understanding file system isolation
  • How images and layers work
  • Benefits of images with layers

Chapters 1 and 2 introduce all-new concepts and abstractions provided by Docker. This chapter dives deeper into container file systems and software installation. It breaks down software installation into three steps, as illustrated in figure 3.1.

Figure 3.1. Flow of topics covered in this chapter

The first step in installing any software is identifying the software ...

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