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Home / cloud-software / Docker Compose Environment Variable Not Set in Dockerfile - Git Merge --allow-unrelated-histories: When and How to Use It-How to Stop Chrome Black Screen on Second Display

Docker Compose Environment Variable Not Set in Dockerfile - Git Merge --allow-unrelated-histories: When and How to Use It-How to Stop Chrome Black Screen on Second Display

Updated 2026-07-28 14:40:21cloud-software
Docker Compose Environment Variable Not Set in Dockerfile - Git Merge --allow-unrelated-histories: When and How to Use It-How to Stop Chrome Black Screen on Second Display
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.