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Docker Compose Environment Variable Not Set in Container: Fixes - How to Fix 'fatal: refusing to merge unrelated histories' in Git-How to Fix Docker Nginx 502 with Multiple Containers

Updated 2026-07-28 18:54:37cloud-software
Docker Compose Environment Variable Not Set in Container: Fixes - How to Fix 'fatal: refusing to merge unrelated histories' in Git-How to Fix Docker Nginx 502 with Multiple Containers
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.