Research Artifact: Dockerfile Meta-Maintenance for Updating Multiple Version-Pinned Packages

This is a research artifact for the paper "Dockerfile Meta-Maintenance for Updating Multiple Version-Pinned Packages". This artifact is a data repository including a list of studied 7,914 repositories on GitHub, 17,139 dockerfiles, 363 repositories containing comparable package sets, and 335 repositories that provide the packages included in the identified 385 package sets.