From 1. 4., DockerHub introduces new very strict rate limitations on docker image pulls.
Consider changing FROM tags in dockerfiles to use altenative providers or add login step at the beginning of CI/CD job as authenticated requests aren't affected.
9b26b55b76bcfe8da7989c1d4fd4a654f8716e5a6 commits (stercjak@fit.cvut.cz)