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Docker Compose Port Already Allocated: Checklist - Clear Chrome Certificate Cache to Fix NET::ERR_CERT_AUTHORITY_INVALID-Fix Docker Exit Code 137 (OOM Killer)

2026-07-28 07:00:28browser-issues

Docker Compose Port Already Allocated: Checklist - Clear Chrome Certificate Cache to Fix NET::ERR_CERT_AUTHORITY_INVALID-Fix Docker Exit Code 137 (OOM Killer)

Final checklist

Confirm that the same symptom is gone after a restart or refresh.
Keep the smallest working change and undo temporary diagnostic settings.