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Fixing 'Context Canceled' Errors During Docker Image Builds - How to Resolve Nginx Upstream Connection Refused Error 502-How to Stop Nginx Redirect Loop and Load Your Site

Updated 2026-07-28 06:30:24backup-recovery
Fixing 'Context Canceled' Errors During Docker Image Builds - How to Resolve Nginx Upstream Connection Refused Error 502-How to Stop Nginx Redirect Loop and Load Your Site
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.

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