Gerald worked on the giantswarm/retagger repository, focusing on improving CI/CD workflows and configuration management using YAML. During May 2025, he addressed two critical bugs by updating the Kong Gateway Docker image to version 3.7.1.5, ensuring compatibility with upstream dependencies and maintaining release stability. He also managed a CI incident by temporarily disabling quay.io pushes and later restoring the workflow with dynamic tagging through CircleCI variables. Gerald’s work enhanced build resilience and traceability, allowing releases to proceed reliably even during disruptions. His disciplined approach to version control and configuration changes contributed to maintainable and auditable DevOps processes.