During July 2025, Jerome focused on improving upgrade reliability for the discourse/discourse_docker repository by addressing a critical PostgreSQL upgrade issue. He engineered a targeted fix that moves only the contents of the data directory, rather than the entire directory, to prevent failures when the data directory is a mount point. This approach enhanced robustness for containerized deployments across diverse system configurations, reducing upgrade risks and enabling smoother maintenance windows. Jerome applied his expertise in database management, DevOps, and system administration, utilizing YAML for configuration changes. The work demonstrated careful attention to production reliability and nuanced handling of system-level data operations.