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Fix Git 'index.lock' Error in VS Code - How to Fix 502 Bad Gateway with Nginx and Docker on Ubuntu-Troubleshooting Nginx Upstream Connection Refused

2026-07-28 14:45:13
Fix Git 'index.lock' Error in VS Code - How to Fix 502 Bad Gateway with Nginx and Docker on Ubuntu-Troubleshooting Nginx Upstream Connection Refused

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

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