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: "Include both the NGINX configuration and docker-compose.yml files from the previous recipe and you're good to go."

A block of code is set as follows:

Vagrant.configure("2") do |config|
  # all your Vagrant configuration here
end

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

    config.vm.provision "ansible_local" do |ansible|
      ansible.version = "1.9.6"
      ansible.install_mode = :pip
      ansible.playbook = "playbook.yml"
    end

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

$ vagrant plugin list
vagrant-vbguest (0.13.0)

New terms and important words are shown in bold. Words that you see on the screen, for example, in menus or dialog boxes, appear in the text like this: "You can see your newly created security group by logging into the AWS Console and navigating to EC2 Dashboard | Network & Security | Security Groups."