Do you understand how Drupal's configuration system is supposed to work? Do you ever experience inconsistencies between environments? Are you interested in building a best-practice continuous integration and deployment solution with configuration validation? This session, led by a 10-year maintainer of Drupal's configuration system, will focus on how the configuration management system is designed to work, explore its integration with continuous integration systems, identify common configuration pitfalls, and discuss how upcoming initiatives like Recipes will enhance the robustness of your site's configuration.