Worked on enhancing the security and reliability of the microsoft/fhir-server repository by upgrading its Docker base images. Focused on proactive vulnerability mitigation, the work involved updating the .NET SDK from version 9.0.202 to 9.0.203 and the ASP.NET runtime from 9.0.3 to 9.0.4, ensuring the application benefited from the latest security patches and stability improvements. Demonstrated skills in containerization and DevOps by maintaining Dockerfile hygiene and aligning the base image strategy for future updates. This approach reduced security risks in production deployments and improved runtime stability across containerized environments, emphasizing patch governance and maintainability throughout the process.