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Fixing Nginx Upstream Connection Refused in Load Balancing - Resolving 'Denied Access' When Pulling Docker Images-Git Rebase Error: index.lock File Exists – Solution

Updated 2026-07-28 10:19:37browser-issues

Fixing Nginx Upstream Connection Refused in Load Balancing - Resolving 'Denied Access' When Pulling Docker Images-Git Rebase Error: index.lock File Exists – Solution

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.