Olivier Georget enhanced observability for the hove-io/navitia project by implementing structured logging in Jormungandr’s Dockerfile. He introduced logfmt-based logging, allowing for more efficient issue diagnosis and improved monitoring across production deployments. This work involved Dockerfile instrumentation and the integration of logfmt formatting, leveraging his expertise in Docker, C++, and YAML. The feature was delivered through a collaborative pull request process, with thorough documentation and code review. By focusing on container observability best practices, Olivier’s contribution improved operational reliability and visibility, addressing the need for faster triage and streamlined monitoring without introducing new bugs during the development period.