Docker Outage History

Docker Hub experienced intermittent issues affecting automated builds and registry interactions, along with signup problems. This led to failures when building, pushing, or pulling images and caused sign-up issues, with some images not appearing in the registry. The incident began at Jul 7, 2025 10:40 AM UTC and involved two components: Docker Hub Automated Builds and Docker Hub Web Services.

Over the course of the incident, the provider issued four status updates. Automated Builds returned to normal by Jul 8, 2025 2:00 PM UTC and the remaining Docker Hub Web Services were fully restored by Jul 9, 2025 7:30 PM UTC. The outage spanned roughly two days, with a noticeable volume of user reports from multiple regions indicating widespread impact on image operations.

An outage affected the Testcontainers Dashboard within Docker's Testcontainers Cloud, causing failures and slow responses when loading the dashboard for some users. The incident began at 3:25 PM UTC and was resolved by 7:15 PM UTC, lasting about 3 hours and 50 minutes. The Docker team issued two status updates during the incident and subsequently restored normal service.

An authentication issue affected Docker sign-in via GitHub, with some users encountering 404 errors during login. The problem was isolated to the Docker Authentication component and presented as a degraded service for about 50 minutes. The Docker status page published two updates during the incident, noting the degraded state at Jun 24, 2025 11:35 PM UTC and confirming recovery at Jun 25, 2025 12:25 AM UTC.

Some users experienced issues signing in with SSO, affecting Docker Authentication. The incident began at 3:10 PM UTC and was resolved by 3:30 PM UTC, lasting about 20 minutes. The Docker Authentication component briefly moved from up to warn and then back to up, as updates were posted on the Docker status page. The provider issued 2 status updates during the incident to communicate the investigation and resolution.

An outage affected Docker Scout and Docker Hub Web Services, causing timeouts for logged-in users when accessing Docker Hub's web console. This disrupted authentication and registry management during the incident window. The outage began at 6:15 PM UTC and persisted through 8:15 PM UTC, lasting about two hours.

Over the course of the incident, Docker issued five status updates. The issue progressed from an initial down state to a degraded state and back to a degraded state before finally resolving, with services restored by 8:15 PM UTC. The affected components were Docker Scout and Docker Hub Web Services.

From 1:20 PM UTC to 6:40 PM UTC, Docker Hub Registry experienced degraded email workflow due to issues with email change and some email validations failing, affecting users attempting to verify or update email addresses. The degraded state lasted approximately 5 hours and 20 minutes. The Docker status page documented an ongoing investigation and that email validations were not functioning, with two official updates issued during the incident. The issue appeared isolated to the Docker Hub Registry and was resolved when the service returned to normal.

An outage impacted pulls and pushes against Docker Hub, preventing many users from pulling images or pushing changes. The issue also affected Docker Desktop, with the Docker status page noting related problems for both Docker Desktop and the Docker Hub Registry. The incident began around 12:55 PM UTC and manifested in errors such as "error writing layer blob: unexpected status from HEAD request" during the affected period.

The Docker status page issued three updates as the incident progressed, indicating ongoing investigation and degraded performance. The affected components were Docker Hub Registry and Docker Desktop. The outage was resolved by 2:25 PM UTC, and the overall event lasted roughly 25 hours, with user reports spanning multiple regions indicating widespread impact on image pull and push workflows.

The Docker Authentication, Docker Hub Web Services, and Docker Billing components experienced degraded email delivery due to an issue with a third-party email provider. As a result, users may have faced delays or failures in receiving important emails such as sign-in confirmations, invoices, and other notifications. The outage began at May 14, 2025 7:25 PM UTC and was resolved by May 14, 2025 10:25 PM UTC, lasting about 3 hours.

The Docker status page showed Email delivery issues and listed the three affected components as degraded before recovery. The incident involved three official status updates during the course of the event, and the root cause was tied to the third-party email service.

Recovery completed with all affected components returning to normal by May 14, 2025 10:25 PM UTC. The impact was limited to email communications; other Docker services remained available during the incident.

Users could not access the Docker Scout web dashboard, limiting visibility into Scout dashboards and related features. The issue appeared to be isolated to the Docker Scout web interface and did not indicate a full service-wide failure.

Testcontainers Cloud experienced a partial outage starting at May 8, 2025 9:25 AM UTC due to issues with an external infrastructure provider, causing internal messaging platform timeouts and degraded access for users relying on Testcontainers Cloud. The outage lasted about 1 hour and 25 minutes and affected only the Testcontainers Cloud component. The service was restored by May 8, 2025 10:50 AM UTC after the external provider issue was resolved. The provider issued 2 status updates during the incident, with the component moving from up to warn and back to up.