docker-java/src/test/resources/logback.xml

<configuration debug="true"> <!-- This will give you some valuable info about logback config upon runtime. Remove this for production. -->

    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} %-5level %logger{36} - %msg%n</pattern>
        </encoder>
    </appender>

    <logger name="com.kpelykh.docker.client" level="TRACE"/>
    <logger name="com.kpelykh.docker.client.test" level="DEBUG"/>

    <root level="info">
        <appender-ref ref="STDOUT" />
    </root>

</configuration>