Semaphore incident

Docker Hub outage affecting image push/pulls in Semaphore

Major Resolved View vendor source →

Semaphore experienced a major incident on October 20, 2025 affecting Semaphore, lasting 16h 15m. The incident has been resolved; the full update timeline is below.

Started
Oct 20, 2025, 08:44 AM UTC
Resolved
Oct 21, 2025, 01:00 AM UTC
Duration
16h 15m
Detected by Pingoru
Oct 20, 2025, 08:44 AM UTC

Affected components

Semaphore

Update timeline

  1. identified Oct 20, 2025, 08:44 AM UTC

    Docker Hub is experiencing an outage, which is affecting image push/pulls in CI. We are also monitoring broader AWS service issues, which could indirectly affect some users' workloads.

  2. identified Oct 20, 2025, 10:29 AM UTC

    Image push/pulls are still being affected by the Docker Hub outage. We are closely monitoring the situation. We are continuing to monitor broader AWS service issues, which could still indirectly affect some users' workloads.

  3. identified Oct 20, 2025, 12:10 PM UTC

    We are continuing to monitor the situation: - Image push/pulls are still being affected by the Docker Hub outage. - Broader AWS service issues could still indirectly affect some users' workloads.

  4. identified Oct 20, 2025, 02:04 PM UTC

    We are continuing to monitor the situation: - Image push/pulls are still being affected by the Docker Hub outage. - Broader AWS service issues could still indirectly affect some users' workloads.

  5. monitoring Oct 20, 2025, 02:40 PM UTC

    Issues with image push/pulls seem to be resolved. We are still closely monitoring the situation.

  6. identified Oct 20, 2025, 04:01 PM UTC

    Image push/pulls seem to be affected again by the ongoing Docker Hub outage. We continue to monitor the situation.

  7. identified Oct 20, 2025, 06:01 PM UTC

    Image push/pulls seem to be affected again by the ongoing Docker Hub outage. We continue to monitor the situation.

  8. identified Oct 20, 2025, 07:44 PM UTC

    Image push/pulls seem to be affected by the ongoing Docker Hub outage. We keep monitoring the situation.

  9. identified Oct 20, 2025, 09:38 PM UTC

    Some image push/pulls seem to be affected by the ongoing Docker Hub outage. Our team is monitoring the situation.

  10. identified Oct 20, 2025, 11:52 PM UTC

    Image push/pulls may be affected by the ongoing Docker Hub outage. We continue to monitor the situation.

  11. monitoring Oct 21, 2025, 12:44 AM UTC

    Issues with image push/pulls seem to be resolved. We are still closely monitoring the situation.

  12. resolved Oct 21, 2025, 01:00 AM UTC

    This incident has been resolved.