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Fix Nginx 502 Bad Gateway: Upstream Connection Refused - Resolving 'index.lock file exists' in Git on macOS-Fix Nginx Upstream Connection Refused Timeout Error

2026-07-28 12:46:46
Fix Nginx 502 Bad Gateway: Upstream Connection Refused - Resolving 'index.lock file exists' in Git on macOS-Fix Nginx Upstream Connection Refused Timeout Error

Result check

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

Next references

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