Chapter 1,Developer Workflow, walks you through setting up a development workflow. You will learn how to install Composer, Drush, and Drupal console to easily work with Drupal 8. We will also discuss the Git workflow and how it plays an important role in Mastering Drupal 8.

Chapter 2, Site Configuration, says that site configuration is probably one of the most important tasks any developer will need to perform. So, to ensure that you have a well-established baseline, we will walk through the basic site settings, performance, configuration overrides, and how to use Drush to speed up your workflow.

Chapter 3, Managing Users, Roles, and Permissions, provides us with the experience to configure account settings, which ensure that your next Drupal site is safe and secure. We will work with users, manage roles and permissions, and look at how Drush can help manage it all from the command line.

Chapter 4, Content Types, Taxonomy, and Comment Types, looks at one of the most powerful capabilities of Drupal to allow for the creation of custom content types. You will learn how to manage fields, work with Taxonomy, vocabularies, and terms to allow for tagging content. We will also look at Drupal Console, another command-line tool to speed up generating content.

Chapter 5, Working with Blocks, covers the basics of Blocks and Regions. We will take a deep dive into block configuration, custom blocks, and how to best manage block settings and visibility. Join us as we also look at some experimental modules that allow for placing blocks easily.

Chapter 6, Content Authoring, HTML5, and Media, is one of the greatest improvements to Drupal 8. In this chapter, we will learn how to work with responsive admin, manage content creation with CKEditor, text formats, and how to use image styles to display various media.

Chapter 7, Understanding Views, will explain how to use views to create lists of content to be displayed throughout the site. This includes using filters, relationships, and contextual filters to build new listing pages and blocks.

Chapter 8, Theming Essentials, explores the appearance interface and the core default themes shipped with Drupal 8. You will quickly get a better understanding of what makes up a theme, how to best manage themes, and best practices for setting up your theme's structure.

Chapter 9, Working with Twig, takes us through setting up our local development environment for theming and enabling Twig debug. We will then take a close look at Twig syntax, filters, control structures, and functions when working with templates. Finally, we will look at how to manage assets and preprocess variables.

Chapter 10, Extending Drupal, Looks at how, with the adoption of Symfony to power Drupal 8, writing of custom modules, which has changed dramatically. In this chapter, we will learn about dependency injection, how to use the new routing and menu system, adding permissions, and using events and hooks.

Chapter 11, Working with Forms and the Form API, will introduce the Form API. We will learn about all the new elements available in Drupal 8, and how to create new forms to capture user input and use it in your custom modules.

Chapter 12, RESTful Services, teaches the new REST API in Drupal 8. We will learn how to expose content via the Views REST plugin, as well as how to write our own REST API resource to provide custom functionality.

Chapter 13, Multilingual Capabilities, walks us through Drupal 8 and all the tools necessary to create a fully translated and localized site out of the box. In this chapter, we will learn how to enable and configure the appropriate modules, translate content, and create multi-lingual configurations.

Chapter 14, Configuration Management, Introduces the new configuration management system in Drupal 8. We will learn how to export configuration from one environment and import it into another, as well as how to use it in our own custom modules.

Chapter 15, Site Migration, explains how to migrate content from the previous versions of Drupal or other systems into a new Drupal 8 site. We will learn how to configure the migration process and how to modify and enhance the data before its saved.

Chapter 16, Debugging and Profiling, says that developing a complex Drupal site requires us to peek inside and see whats going on while its running. This chapter will describe how we can easily debug issues and profile our site to understand how each layer is performing.

To follow along with this book, you need an installation of Drupal 8, preferably in a local development environment located on a Windows, Mac, or Linux-based computer. Documentation regarding setting up a local development environment is covered in Chapter 1, Developer Workflow, and can also be found at https://www.drupal.org/setting-up-development-environment.

To follow along with each lesson, you will need a text editor or IDE. To see a list of software to consider using when developing in Drupal 8, you can refer to https://www.drupal.org/node/147789.

Finally, you will need to have administrative access to your Windows, Mac, or Linux-based computer, with the ability to run a Terminal window that will allow you to execute various commands and install various items.

This book is ideally suited to web developers, designers, and web administrators who want to dive deep into Drupal. Previous experience with Drupal is a must to unleash the full potential of this book.

In this book, you will find several 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 terminal commands as follows: "So if we changed the route URL to mastering_drupal_8/test/{message}, we would change the controller function to:"

A block of code is set as follows:

name: Test
type: theme
description: A test theme.
core: 8.x
libraries:
 - test/global
regions:
 header: Header
 content: Content # the content region is required
 sidebar_first: 'Sidebar first'
 footer: Footer 

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

# composer create-project drupal/drupal

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: "Clicking the Next button moves you to the next screen."

Feedback from our readers is always welcome. Let us know what you think about this book-what you liked or disliked. Reader feedback is important for us as it helps us develop titles that you will really get the most out of.

To send us general feedback, simply email [email protected], and mention the book's title in the subject of your message.

If there is a topic that you have expertise in and you are interested in either writing or contributing to a book, see our author guide at www.packtpub.com/authors.

Now that you are the proud owner of a Packt book, we have several things to help you to get the most from your purchase. You can contact the authors at https://forumone.com/team/william-hurley or https://forumone.com/team/chaz-chumley if you are facing a problem with any aspect of this book.