We’re excited to highlight two new Official Images that we added to Docker Hub in April. These images are the latest additions to a growing library of quality content maintained by Docker and our partners. Check them out: Drupal Drupal is a free and open-source content-management framework written in PHP and distributed under the GNU General Public License. It is used as a back-end framework for at least 2.1% of all sites worldwide, ranging from personal blogs to corporate, political, and government sites including WhiteHouse.gov and data.gov.uk. It is also used for knowledge management and business collaboration.