Claude Dioudonnat upgraded the CI and testing environments for the openfun/joanie and openfun/richie repositories, focusing on database management and DevOps best practices. He migrated PostgreSQL versions to 16.4 and standardized test database names within YAML-based CI/CD pipelines and Docker configurations. This work aligned development and production environments, reducing migration risks and improving the reliability of automated tests. Although no user-reported bugs were addressed, Claude’s changes resolved configuration debt and prepared both projects for upcoming server transitions. His approach demonstrated a solid understanding of CI/CD processes, database upgrades, and environment consistency, delivering maintainable infrastructure improvements within a short timeframe.