We are building a 12 factor app with Drupal. This is part two in our series, building a 12 factor app. Today I'm talking about Factor Two…

In the modern world of web / application development, using package managers to pull in dependencies has become a de-facto standard. In fact, if you are developing enterprise software and you aren't leveraging package managers I would challenge you to ask yourself why not?

This video will take you through the correct way to use composer dependencies in Drupal 7 and Drupal 8 using the Composer Manager module. This video part 2 to the PSR video we did last month, that shows how to write a views handler using PSR-4 class autoloading (http://activelamp.com/videos/psr-4-class-autoloading-with-drupal-7). At the end of the PSR-4 video, I pulled in a composer dependency not using Composer Manager. This video will show you the correct way to use Composer with Drupal.