During December 2024, Thien Nguyen contributed to the nashtech-garage/yas repository by delivering three core features focused on configuration management and operational stability. Thien enabled PostgreSQL connectivity for product and media databases through YAML-based datasource configuration, improving sample data access and readiness. He reduced log noise by adjusting Docker and OpenTelemetry collector settings, streamlining observability and lowering operational overhead. Additionally, Thien disabled webhook and recommendation services by default and removed the Kafka-UI host to mitigate domain name issues and reduce surface area. His work emphasized maintainability and reliability, supporting faster developer iterations and smoother production handoffs without introducing new bugs.