chore(harden-runner): add production.cloudfront.docker.com endpoint#2250
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Docker Hub started serving image config blobs from
production.cloudfront.docker.com (AWS CloudFront) around 2026-05-20 in
addition to production.cloudflare.docker.com (Cloudflare). Every CI run
since has failed with:
docker: error pulling image configuration: download failed:
dial tcp: lookup production.cloudfront.docker.com on 127.0.0.53:53:
write udp: operation not permitted
Add the cloudfront endpoint to the allowed-endpoints list in build.yaml,
examples-test.yaml, and build-samples.yml so docker pulls can complete
when the egress policy is in block mode.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
cpanato
approved these changes
May 27, 2026
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production.cloudfront.docker.com(AWS CloudFront) around 2026-05-20, in addition to the long-standingproduction.cloudflare.docker.com(Cloudflare). Every CI run since has failed when the harden-runner egress policy blocks the DNS lookup.production.cloudfront.docker.com:443to theallowed-endpointslist inbuild.yaml,examples-test.yaml, andbuild-samples.yml(one entry per job in the matrix).Failing run for reference: https://github.com/chainguard-dev/apko/actions/runs/26255529583/job/77277157325
Error from the log:
🤖 Generated with Claude Code