Conventions used

There are a number of text conventions used throughout this book.

Code in text: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: “The MAINTAINER and CMD commands don’t generate layers.”

A block of code is set as follows:

apiVersion: v1 
kind: Pod 
metadata: 
  name: nginx 
spec: 
  containers:

Any command-line input or output is written as follows:

$ docker run hello-world

Bold: Indicates a new term, an important word, or words that you see onscreen. For instance, words in menus or dialog boxes appear in bold. Here is an example: “The most common example of this is OverlayFS, which is included in the Linux kernel and used by default by Docker.”

Tips or important notes

Appear like this.