January 2026: Delivered CI/CD enhancements for DayMarket infra-docker focusing on secure Docker publishing and Airflow image build automation, alongside a Dockerfile permission fix. These changes hardened security, improved automation, and accelerated delivery of Airflow-related images.

September 2025 monthly summary for DayMarket/infra-docker: Focused on improving observability and deployment reliability by delivering containerized monitoring support. Delivered a Dockerfile to build and run the JMX Exporter, enabling out-of-the-box metrics collection and monitoring configuration. This work enhances deployment reproducibility across environments and supports proactive issue detection in production. The change aligns infra-docker with standard monitoring practices and prepares dashboards/alerts for faster incident response.

June 2025: Infra-docker maintenance centered on Hive Metastore image housekeeping. Delivered foundational maintainability work to prepare for future Hive upgrades, including a base image upgrade and clearer version targeting. These changes are non-functional but reduce upgrade risk and accelerate future iterations.

May 2025: DayMarket/infra-docker focused on stabilizing the Trino-based data layer and strengthening security. Key deliverables included upgrading the Trino container image to 475 and moving to Temurin 23 JDK for improved security and compatibility, and rolling back the Trino Dockerfile changes to revert to the base image to restore stability. The changes are fully auditable under MAI-1502 with explicit feature and rollback commits. Overall impact: improved security posture, runtime stability, and a consistent deployment baseline, enabling reliable query performance in production.