You have 5 days before the new DockerHub limits f*ck you over

Docker Hub’s planned April 1, 2025 tightening of image pull rate limits was presented as a potential disruption for CI/CD systems, particularly self-hosted GitHub Actions runners, while GitHub-hosted runners were expected to remain exempt through IP whitelisting arrangements. The author warns that unauthenticated requests limited to 10 pulls per hour per IP, and authenticated free-account requests limited to 100, could cause 429 errors in parallel CI jobs and production deployments. Suggested responses include operating a self-managed pull-through registry cache, which can reduce Docker Hub requests but requires setup and maintenance, or adding Docker Hub authentication across workflows, which increases limits but may be difficult to implement consistently across many repositories. The piece ultimately promotes Blacksmith runners as a managed alternative with a built-in Docker cache, automated migration support, and “Sticky Disks” intended to reduce both public and private image download and extraction time.

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