log4j2.xml

<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
  <Appenders>
    <Console name="STDOUT" target="SYSTEM_OUT" follow="true">
      <JsonLayout compact="true" eventEol="true" properties="true" stacktraceAsString="true" includeStacktrace="false">
        <KeyValuePair key="metabase_logger" value="json" />
      </JsonLayout>
    </Console>
  </Appenders>
  <Loggers>
    <Logger name="metabase" level="INFO"/>
    <Logger name="metabase-enterprise" level="INFO"/>
    <Logger name="metabase.plugins" level="INFO"/>
    <Logger name="metabase.server.middleware" level="INFO"/>
    <Logger name="metabase.query-processor.async" level="INFO"/>
    <Logger name="com.mchange" level="ERROR"/>
    <Logger name="liquibase" level="ERROR"/>

    <Root level="WARN">
        <AppenderRef ref="STDOUT"/>
    </Root>
  </Loggers>
</Configuration>