Configuring your site's image toolkit

Enabling and Configuring ImageMagick on a Quickstart Site (Pantheon)

Overview

This guide walks site administrators through enabling and configuring the ImageMagick module on a Drupal Quickstart site hosted on Pantheon. 

Step 1: Enable the ImageMagick Module

1. Navigate to Extend (/admin/modules).
2. Search for ImageMagick.
3. Check the box next to ImageMagick.
4. Click Install.

Step 2: Configure ImageMagick for Pantheon

To apply the recommended settings:

1. Navigate to Configuration → Media → Image Toolkit (/admin/config/media/image-toolkit).
2. Select ImageMagick as the image toolkit.
3. Set Image Quality to 92.
4. Expand the "Advanced" section:
   • Check the box for Coalesce (Preserve animation in GIF and WebP image formats).
5. Click Save configuration.

Step 3: Optional setting for sites on a Pantheon Basic plan

Due to the limited memory provided for basic plan sites, a specific configuration is required for optimal performance.

1. Navigate to Configuration → Media → Image Toolkit (/admin/config/media/image-toolkit).
2. Prepend Commands: Add the following: -limit memory 64MiB