Gael G. developed deployment tooling for the element-hq/element-modules repository, focusing on streamlining the Synapse Guest Module deployment process. By introducing a cp utility into the synapse-guest-module Docker image and refactoring the Dockerfile to source cp from a dedicated build stage, Gael enhanced build security and reproducibility. This approach leveraged Docker and Dockerfile best practices to automate module copying during deployment, ensuring consistent module presence across environments and reducing configuration drift. Although no user-facing bugs were addressed, the work demonstrated a solid understanding of multi-stage builds and deployment automation, resulting in more controlled, auditable, and reliable deployments.