Adrien Albert developed a new EasyBuild packaging configuration for cotainr in the easybuilders/easybuild-easyconfigs repository, targeting reproducible containerized builds in high-performance computing environments. He used Python and focused on build system configuration and software packaging, pinning cotainr to version 2025.3.0 with GCCcore 13.3.0 and explicitly specifying dependencies on Python and hatchling. By defining the homepage and describing cotainr as a user-space Apptainer or Singularity container builder, Adrien streamlined deployment and ensured clarity for future maintainers. His work established a foundation for standardized, repeatable container builds, addressing the need for consistency across enterprise HPC deployments.