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Fix Nginx Upstream Connection Refused Behind Cloudflare - Fix Edge Sync Not Syncing Tabs Across Devices-Docker Container Exits Right After Starting: How to Fix

Updated 2026-07-28 15:01:26windows-fixes
Fix Nginx Upstream Connection Refused Behind Cloudflare - Fix Edge Sync Not Syncing Tabs Across Devices-Docker Container Exits Right After Starting: 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.