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Git Detached HEAD: Practical Checklist and Fixes - How to Resolve Nginx 502 Bad Gateway in Docker-Git Push Rejected: Non Fast Forward Branch Solution

Updated 2026-07-28 14:15:54developer-tools

Git Detached HEAD: Practical Checklist and Fixes - How to Resolve Nginx 502 Bad Gateway in Docker-Git Push Rejected: Non Fast Forward Branch Solution

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.