Cassie Souza enhanced the harness/developer-hub repository by delivering targeted documentation updates focused on secure Docker image build and push workflows for non-root users. She clarified the requirements and limitations of Kaniko, BuildX, and drone-docker, and provided guidance on adopting the Buildah plugin to align with security policies. Using her expertise in containerization, DevOps, and Markdown, Cassie improved the clarity and readability of introductory documentation, reducing onboarding friction for developers. Her work addressed both technical and security considerations, resulting in more maintainable and accessible documentation. The depth of her contributions reflects a thoughtful approach to developer experience and workflow security.