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Fix Nginx Configuration Test Failure for Upstream Directive - Cloudflare DNS Update Propagation Checker-Python 3.11 pip Externally Managed Environment Fix

Updated 2026-07-28 11:15:47developer-tools
Fix Nginx Configuration Test Failure for Upstream Directive - Cloudflare DNS Update Propagation Checker-Python 3.11 pip Externally Managed Environment Fix
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.

More repair notes

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