Worked on the discourse/discourse_docker repository to address reliability issues during PostgreSQL upgrades in containerized environments. Focused on improving upgrade robustness by modifying the data movement process, specifically moving only the contents of the data directory rather than the entire directory. This approach prevented failures when the data directory was a mount point, reducing upgrade risks across varied system configurations. Utilized skills in Database Management, DevOps, and System Administration, with changes implemented using YAML. The solution enabled smoother maintenance windows and more predictable upgrade outcomes, contributing to more reliable deployments and streamlined operations for production systems using discourse/discourse_docker.