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How to Fix Git Push Rejected Non-Fast-Forward Error - Resolve Nginx 502 Bad Gateway in Docker on Ubuntu-How to Fix package-lock.json Merge Conflicts

Updated 2026-07-28 12:37:52cloud-software
How to Fix Git Push Rejected Non-Fast-Forward Error - Resolve Nginx 502 Bad Gateway in Docker on Ubuntu-How to Fix package-lock.json Merge Conflicts
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.