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Fix Node Sass Build Failure by Upgrading Node Version - Resolve Nginx File Permission Denied Error-Troubleshooting Nginx 502 Upstream Connection Refused

Updated 2026-07-28 15:57:53cloud-software
Fix Node Sass Build Failure by Upgrading Node Version - Resolve Nginx File Permission Denied Error-Troubleshooting Nginx 502 Upstream Connection Refused
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.