During January 2026, Moosingin3space enhanced repository configuration for the dagger/dagger project by implementing support for ExtraRepositories and ExtraKeyURLs within Alpine and Wolfi modules. This feature allowed operators to specify additional repositories and their public keys, enabling flexible integration of third-party sources while ensuring supply-chain security through key-based validation. The work involved modular changes to container tooling, leveraging Go programming and DevOps practices to deliver secure-by-design validation logic. Moosingin3space maintained clear, self-contained commit documentation throughout the process. Although no bugs were fixed during this period, the contribution demonstrated depth in containerization and secure configuration management within the project.