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Fix Nginx 502 Bad Gateway: Upstream Connection Refused - VS Code Git Changes Missing from Source Control-How to Recover from Detached HEAD in Git

2026-07-28 04:13:58
Fix Nginx 502 Bad Gateway: Upstream Connection Refused - VS Code Git Changes Missing from Source Control-How to Recover from Detached HEAD in Git

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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