Worked on the discourse/discourse_docker repository to improve the reliability and consistency of PostgreSQL Docker deployments. Addressed deployment issues by correcting Docker image tag naming and updating manifest usage, ensuring that PostgreSQL 15 images followed the 2.0.x tagging convention and reducing downstream confusion. Later, resolved a regression affecting updates for older PostgreSQL versions by re-enabling default configuration generation through explicit use of pg_createcluster, restoring backward compatibility and stabilizing the update workflow. Demonstrated expertise in CI/CD, Docker, and PostgreSQL, using Shell and YAML to automate build and deployment processes and maintain robust database management across multiple PostgreSQL versions.