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Fix Docker Nginx 502 Bad Gateway with MySQL - How to Merge Branches with Unrelated Git Histories-Docker Compose Ignoring Default Environment Variable

Updated 2026-07-28 09:37:33developer-tools

Fix Docker Nginx 502 Bad Gateway with MySQL - How to Merge Branches with Unrelated Git Histories-Docker Compose Ignoring Default Environment Variable

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.