iis-docker/windowsservercore-insider/LogMonitorConfig.json

{
  "LogConfig": {
    "sources": [
      {
        "type": "ETW",
        "eventFormatMultiLine": false,
        "providers": [
          {
            "providerName": "Microsoft-Windows-IIS-Logging",
            "providerGuid": "7E8AD27F-B271-4EA2-A783-A47BDE29143B",
            "level": "Information"
          }
        ]
      }
    ]
  }
}