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Docker Compose Environment Variable Not Set in Dockerfile - How to Recover from Git Detached HEAD State-Nginx Redirect Loop Troubleshooting

Updated 2026-07-28 23:31:53macos-help
Docker Compose Environment Variable Not Set in Dockerfile - How to Recover from Git Detached HEAD State-Nginx Redirect Loop Troubleshooting
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.