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.
048c63caec9c4f7e1d4bf3994c8b1d0c0a14edae9 commits (ondrej.guth@fit.cvut.cz)