containerization , Devops, Docker, Kubernetes, Regression Testing, Automated Testing, Release management, Spack, Singularity, GitLab CI, Apptainer, Guix, dependency management, Distributed storage systems, Object storage infrastructure, Performance benchmarking, Change-management procedures, CI/CD design, Versioning strategies, Workflow validation, GPU nodes, Shared filesystems, Git-based workflows, Hybrid HPC–cloud environments