Chapter 5. Building Your Own Plugin

Along with providing the core tools, Docker also documents an API that allows the core Docker engine to talk to the plugin services written by third-party developers. At the moment, this API allows you to hook your own storage and networking engines into Docker.

This may seem like it is limiting you to a very niche set of plugins, and it is. However, there is a good reason that Docker has taken this decision.

Let's have a look at some of the plugins that we have already installed in the previous chapters; however, rather than covering the functionality, we will take a look at what goes on behind the scenes.