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How to Fix Nginx Upstream Connection Refused on Port 80 - Docker Registry Read-Only Access Setup-Fix Git SSL Certificate Problem: Unable to Get Local Issuer on GitHub

Updated 2026-07-28 11:55:58browser-issues
How to Fix Nginx Upstream Connection Refused on Port 80 - Docker Registry Read-Only Access Setup-Fix Git SSL Certificate Problem: Unable to Get Local Issuer on GitHub
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.