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Fix 'pip install externally managed environment' Error - Setup Git Mergetool for Conflict Resolution-Docker Compose Ports Not Working? Here's How to Fix

Updated 2026-07-28 13:46:00developer-tools
Fix 'pip install externally managed environment' Error - Setup Git Mergetool for Conflict Resolution-Docker Compose Ports Not Working? Here's How to 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.