Ryan Drew developed multi-architecture continuous integration build support for the rancher/cilium repository by updating the hubble-relay Dockerfile to leverage the cilium-builder image. This approach enabled arm64 builds to run in CI environments hosted on amd64 machines by embedding the required tooling directly within the builder image. The work focused on optimizing Dockerfile configuration and implementing robust CI/CD strategies to improve cross-architecture reliability and accelerate feedback for arm64 workloads. Ryan’s contribution demonstrated practical expertise in Docker, CI/CD pipelines, and Dockerfile authoring, delivering a targeted solution that addressed the need for efficient, reproducible multi-arch builds without introducing new bug fixes.