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Docker Container Exits Immediately with Exit Code 137 - Creating a Branch from Detached HEAD in Git-Nginx 502 Bad Gateway: Connection Refused to localhost

Updated 2026-07-28 15:17:07cloud-software

Docker Container Exits Immediately with Exit Code 137 - Creating a Branch from Detached HEAD in Git-Nginx 502 Bad Gateway: Connection Refused to localhost

Likely symptom

Likely cause

Safe rollback

Verification route

Repeat the original action, not only a simplified test case.
Restart the app or reload the service after configuration changes.