Worked on the langchain-ai/langgraph repository to enhance Docker version parsing by supporting SemVer build metadata and improving CLI version handling. Addressed edge-case failures in version interpretation, ensuring more reliable image tagging and reducing deployment errors in CI/CD pipelines. Implemented these changes using Python, focusing on CLI development and robust version parsing logic. Added comprehensive unit tests to validate parsing of diverse version formats, including pre-releases and build metadata, which strengthened automation support. The work resulted in improved deployment reliability and maintainability, with a focus on testing and Docker integration to ensure compatibility with various image tagging conventions.