Mastering Drupal 8 assumes that you are already running a local AMP stack and have a familiarity with installing Drupal using the standard means of downloading, setting up a database, configuring a localhost, and completing the browser-based install. In Chapter 1, Developer Workflow, we walked through installing Drupal using Composer, Drush, and Drupal Console. Ensure that you have a working AMP stack and are comfortable working within the command-line interface using a terminal window before continuing.