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The load balancer checks the task IPv4 address. listen(port) on the current node image binds IPv6 only, so those checks time out and ECS rolls the task back. Co-authored-by: Cursor <cursoragent@cursor.com>
Bind the market-maker health server on IPv4
…st built /health now reports imageTag. The verify job compares the running task image and that tag to the release, so a rollback can no longer pass as a stable deploy. Co-authored-by: Cursor <cursoragent@cursor.com>
Fail market-maker verify unless the running image matches
LumerinIO
approved these changes
Sep 22, 2026
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Summary
0.0.0.0) so the load balancer can reach it./healthreportsimageTag, and the deploy verify job compares the running task image to the tag this run built.Test plan
v1.4.2-devcompleted ontsk-col-mar-futures-mm:42. The target is healthy.ecs:DescribeServicesandecs:DescribeTaskDefinition, and it cannotecs:ListTasksorecs:DescribeTasks. That failure is the new check, not a rollback.Made with Cursor