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Fix 'git remote origin already exists' Error in GitLab - Troubleshooting Nginx Upstream Connection Refused in Docker-Resolve 502 Bad Gateway in Docker Nginx MySQL Setup

Updated 2026-07-28 14:16:54browser-issues

Fix 'git remote origin already exists' Error in GitLab - Troubleshooting Nginx Upstream Connection Refused in Docker-Resolve 502 Bad Gateway in Docker Nginx MySQL Setup

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.