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ci: pull base images from getsentry/image-mirror - #700

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junior/use-image-mirror
Oct 9, 2026
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joshuarli merged 1 commit into
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junior/use-image-mirror

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@sentry-junior sentry-junior Bot commented Oct 9, 2026

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Move Docker Hub base images onto GHCR mirrors:

  • debian:12-slim → ghcr.io/getsentry/image-mirror-library-debian:12.15-slim, which is what 12-slim resolves to today. Changed in Dockerfile and scripts/strip/Dockerfile.cctools.
  • python:3.14.4-slim-bookworm → ghcr.io/getsentry/image-mirror-library-python:3.14.4-slim-bookworm. Changed in Dockerfile, scripts/strip/Dockerfile.cctools, tests/e2e/Dockerfile.test-runner and tests/e2e/mock-sentry-api/Dockerfile.

Why: e2e, test and build-arm64 have been failing on anonymous Docker Hub pulls (429 Too Many Requests) from GitHub-hosted runners.

Depends on getsentry/image-mirror#37 being merged and synced.

Not included: the tonistiigi/binfmt pull inside getsentry/action-build-and-push-images. That's fixed in that action, and this repo will need a SHA bump once it merges.

via @joshuarli.

--

View Junior Session [Sentry]

Docker Hub has been rate limiting and timing out anonymous pulls from GitHub-hosted runners. Use the GHCR copies from getsentry/image-mirror, pinned to the patch tag each floating tag resolved to.

Co-Authored-By: Joshua Li <14209781+joshuarli@users.noreply.github.com>
@sentry-junior
sentry-junior Bot requested a review from joshuarli October 9, 2026 21:47
@joshuarli
joshuarli marked this pull request as ready for review October 9, 2026 22:34
@joshuarli
joshuarli merged commit 0921765 into main Oct 9, 2026
26 of 30 checks passed
@joshuarli
joshuarli deleted the junior/use-image-mirror branch October 9, 2026 22:36
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