Each site on Pantheon comes with three environments: Dev, Test, and Live. This allows you to develop and test features without impacting your Live site. Additional development environments are available with Multidev. Refer to the Pantheon WebOps Workflow documentation for more details.
The separation of configuration and code also helps improve security and makes it easy to restore an individual environment to a backup version.
This guide shows you how to:
Read environment configuration
Install an indicator to receive updates on your Pantheon site and environments
Restore an environment
Configure WordPress-specific environments and Drupal 9-specific environments