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Fix Docker Compose 'port 8080 already allocated' Error - NGINX 502 Bad Gateway in Docker: Troubleshooting Guide-How to Stop Antivirus from Blocking Edge Sync

2026-07-28 12:13:12
Fix Docker Compose 'port 8080 already allocated' Error - NGINX 502 Bad Gateway in Docker: Troubleshooting Guide-How to Stop Antivirus from Blocking Edge Sync

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.