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Fix Nginx 502 Bad Gateway on Docker Ubuntu - Avoiding Python Requests Timeout Errors on Slow Networks-How to Resolve Port Already in Use in Docker Compose

Updated 2026-07-28 12:12:53office-tools
Fix Nginx 502 Bad Gateway on Docker Ubuntu - Avoiding Python Requests Timeout Errors on Slow Networks-How to Resolve Port Already in Use in Docker Compose
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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