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Fix Nginx 502 Bad Gateway: Upstream Connection Refused - Permanently Allow Unrelated Histories in Git Merge-Python Permission Denied in Docker: Quick Fixes

Updated 2026-07-28 09:20:46macos-help
Fix Nginx 502 Bad Gateway: Upstream Connection Refused - Permanently Allow Unrelated Histories in Git Merge-Python Permission Denied in Docker: Quick Fixes
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.