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How to Fix Cloudflare 521 Error (Port 443 Blocked) - VS Code Not Detecting Git Changes After Reinstall-Resolve Docker Compose Port Allocation Error on Mac

Updated 2026-07-28 14:38:35cloud-software
How to Fix Cloudflare 521 Error (Port 443 Blocked) - VS Code Not Detecting Git Changes After Reinstall-Resolve Docker Compose Port Allocation Error on Mac
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.