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Fix Nginx Upstream Connection Refused in Proxy Pass - How to Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome-Understanding and Fixing Git Detached HEAD State

Updated 2026-07-28 13:47:28cloud-software
Fix Nginx Upstream Connection Refused in Proxy Pass - How to Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome-Understanding and Fixing Git Detached HEAD State
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.

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