This is a reference section. Feel free to skip it at first read and return to it when you want to better understand the way that this book's system is structured. We repeat parts of this information in relevant chapters.
We use Vagrant to set up the following system:
In the diagram, each box represents a server and the hostname is the first part of its title (dev, Web, es, and so on.). The second part of the title is the Docker image that it uses (
scrapybook/es, and so on.). Then there's a short description of the software that runs on the server. Lines represent links between ...