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Fixing node-sass Build Failures on macOS - Docker Nginx 502 Error: Environment Variable Fix-How to Fix Nginx 'Upstream Connection Refused' Error

Updated 2026-07-28 08:19:11developer-tools
Fixing node-sass Build Failures on macOS - Docker Nginx 502 Error: Environment Variable Fix-How to Fix Nginx 'Upstream Connection Refused' Error
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.