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Git Merge Unrelated Histories vs Rebase: When and How to Use Each - Git Detached HEAD Explained and How to Fix-Resolve 502 Bad Gateway in Docker Nginx MySQL Setup

Updated 2026-07-28 08:22:44macos-help

Git Merge Unrelated Histories vs Rebase: When and How to Use Each - Git Detached HEAD Explained and How to Fix-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.