Contributed to the facebook/docusaurus repository by enhancing the development server to support HTTPS with non-RSA TLS certificates, addressing a key limitation in local security testing. The work involved implementing changes in Node.js and TypeScript to broaden TLS certificate compatibility, allowing developers to test with a wider range of configurations. This update reduced configuration friction and improved the security posture of local and development environments. Collaboration with other contributors ensured a robust solution that integrates seamlessly into existing workflows. The focus on full stack development and testing resulted in a feature that streamlines developer experience and expands flexibility for secure development practices.