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Fix Nginx Upstream Connection Refused in Proxy Pass - Python 3.11 pip Externally Managed Environment Fix-VS Code Docker Build Canceled Error Troubleshooting

Updated 2026-07-28 12:03:35backup-recovery
Fix Nginx Upstream Connection Refused in Proxy Pass - Python 3.11 pip Externally Managed Environment Fix-VS Code Docker Build Canceled Error Troubleshooting
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