logback.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration>

    <property name="log.context.name" value="whatsmars-cloud-zuul" />
    <property name="log.charset" value="UTF-8" />
    <property name="log.pattern" value="[%-5level] %date --%thread-- [%logger] %msg %n" />

    <contextName>${log.context.name}</contextName>

    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder charset="${log.charset}">
            <pattern>${log.pattern}</pattern>
        </encoder>
    </appender>

    <root>
        <level value="INFO" />
        <appender-ref ref="STDOUT" />
    </root>
</configuration>