logback-spring.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <include resource="org/springframework/boot/logging/logback/defaults.xml"/>
    <include resource="org/springframework/boot/logging/logback/console-appender.xml"/>

    <root level="INFO">
        <appender-ref ref="CONSOLE_JSON"/>
    </root>

    <appender name="CONSOLE_JSON" class="ch.qos.logback.core.ConsoleAppender">
        <encoder class="ch.qos.logback.classic.encoder.JsonEncoder">
            <withFormattedMessage>true</withFormattedMessage>
            <withMessage>false</withMessage>
            <withArguments>false</withArguments>
            <withSequenceNumber>false</withSequenceNumber>
            <withNanoseconds>false</withNanoseconds>
        </encoder>
    </appender>
</configuration>