In this book, you will find a number of text styles that distinguish between different kinds of information. Here are some examples of these styles and an explanation of their meaning.
Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "The service can also be set using an environment variable named
A block of code is set as follows:
[dbservice1] host=postgres1 port=5432 dbname=postgres
When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:
Database system identifier: 5805760367713220187 Database cluster state: in production
Any command-line input or output ...