log4j2.xml for Graylog2

log4j2.xml

<Configuration packages="biz.paluch.logging.gelf.log4j2">
    <Appenders>
        <Gelf name="gelf" host="udp:192.168.99.100" port="12201" version="1.1" extractStackTrace="true"
              filterStackTrace="true" mdcProfiling="true" includeFullMdc="true" maximumMessageSize="8192"
              originHost="%host{fqdn}" additionalFieldTypes="request=String">
            <Field name="timestamp" pattern="%d{dd MMM yyyy HH:mm:ss,SSS}" />
            <Field name="level" pattern="%level" />
            <Field name="simpleClassName" pattern="%C{1}" />
            <Field name="className" pattern="%C" />
            <Field name="server" pattern="%host" />
            <Field name="Facility" pattern="spring-boot-5-service" />
            <Field name="server.fqdn" pattern="%host{fqdn}" />

            <!-- This is a static field -->
            <Field name="fieldName2" literal="fieldValue2" />

            <!-- This is a field using MDC -->
            <Field name="mdcField2" mdc="mdcField2" />
            <DynamicMdcFields regex="mdc.*" />
            <DynamicMdcFields regex="(mdc|MDC)fields" />
        </Gelf>
    </Appenders>
    <Loggers>
        <Root level="INFO">
            <AppenderRef ref="gelf" />
        </Root>
    </Loggers>
</Configuration>