Dilwoar Hussain focused on security hardening and stability improvements for the alphagov/notifications-template-preview repository, addressing a critical vulnerability in the Docker build process. By upgrading ImageMagick to a stable, Debian Bullseye-compatible version within the Dockerfile, Dilwoar mitigated potential CVEs and ensured safer template rendering in production environments. This work leveraged DevOps and package management skills, with careful attention to compatibility and reproducibility of builds. The update was delivered as a single, well-documented patch, maintaining clear traceability for future audits. Dilwoar’s targeted approach improved the security posture of the service without altering public APIs or introducing unnecessary complexity.