Delays starting Docker jobs

Incident Report for CircleCI

Resolved

The issue where customers running Docker jobs experienced significant delays, with jobs stuck in a "preparing environment" state, has now been resolved. We thank you for your patience while our team worked on implementing a fix.
Posted Jun 23, 2026 - 19:58 UTC

Monitoring

What's happening
Our engineers have deployed a fix and we are observing the job backlog clearing. Docker jobs are now starting normally.

What's impacted
Customers who submitted Docker jobs during the incident window may still see some jobs completing with elevated queue times. Newly submitted jobs should be starting at normal times.

What can you expect
Docker job startup times are returning to normal. Thank you for your patience while our engineers resolved this issue.

We are monitoring the recovery and will provide a further update if the situation changes.
Posted Jun 23, 2026 - 19:29 UTC

Update

What's impacted
Customers running Docker jobs. Affected jobs are queuing rather than starting, resulting in elevated wait times.

What can you expect
Docker jobs may remain stuck in "preparing environment" for an extended period. Our engineers have identified the cause and are actively working to restore normal job startup times. Thank you for your patience while our team deploys a fix.

Next update
We will provide another update as soon as more information is available
Posted Jun 23, 2026 - 19:04 UTC

Identified

We are deploying a change to mitigate this issue.
Posted Jun 23, 2026 - 18:42 UTC

Investigating

We are investigating reports of delays starting Docker jobs.
Posted Jun 23, 2026 - 18:34 UTC
This incident affected: Docker Jobs.