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Docker Compose Environment Variable Not Set in Dockerfile - How to Restore Missing Taskbar Icons After Driver Update-DNS_PROBE_FINISHED_NXDOMAIN: ipconfig flushdns Not Working

Updated 2026-07-28 22:37:06cloud-software
Docker Compose Environment Variable Not Set in Dockerfile - How to Restore Missing Taskbar Icons After Driver Update-DNS_PROBE_FINISHED_NXDOMAIN: ipconfig flushdns Not Working
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.