During March 2026, Jolle contributed to the envoyproxy/envoy repository by addressing a persistent issue with Docker container user and group ID handling in the run_envoy_docker.sh script. Jolle implemented logic in bash that allows developers to override USER_UID and USER_GID through environment variables or default to host IDs, using shell scripting techniques. This fix prevents group conflicts and file permission errors when mounting volumes, particularly across macOS and Linux environments. By improving Docker workflow reliability and reducing onboarding friction, Jolle’s work enhanced the developer experience and stabilized both CI and local development processes, demonstrating depth in DevOps and Docker practices.