During December 2024, Brian Stucke modularized configuration management for the awslabs/landing-zone-accelerator-on-aws repository by externalizing the healthcare sample configuration to a dedicated repository. This approach reduced coupling between the main codebase and configuration files, improving maintainability and enabling cross-repository reuse. Brian updated the main repository’s README to reference the new configuration location and removed all healthcare-related configuration files and images from the core repository. The work leveraged AWS, DevOps practices, and configuration management using markdown and yaml, resulting in a more reliable deployment process and a cleaner separation of concerns within the project’s infrastructure codebase.