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Fix Nginx 'upstream connection refused' When Talking to PHP-FPM - Fix Docker Compose Port Already Allocated Error-How to Add Python to PATH on Windows

2026-07-28 16:32:26developer-tools

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM - Fix Docker Compose Port Already Allocated Error-How to Add Python to PATH on Windows

Final checklist

Confirm that the same symptom is gone after a restart or refresh.
Keep the smallest working change and undo temporary diagnostic settings.