logback-example.xml

<configuration>

    <!-- Write logs to stderr. -->
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <!-- You should use only one of the encoders below. -->

        <!-- Plain text encoder with run ID if available. Good for human-readable console output. -->
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %level %logger %X{run_id} - %message%n%xException</pattern>
        </encoder>

        <!-- Logstash-compatible JSON encoder. Captures lots of detail. Good for log forwarding systems. -->
        <!--
        <encoder class="net.logstash.logback.encoder.LogstashEncoder"/>
        -->
    </appender>

    <!-- Do logging asynchronously. -->
    <appender name="ASYNCSTDOUT" class="ch.qos.logback.classic.AsyncAppender">
        <appender-ref ref="STDOUT" />
    </appender>

    <!-- Show informational messages from Play. -->
    <logger name="play" level="INFO" />

    <!-- Show info messages from Becquerel itself. You may want to show more during development or troubleshooting. -->
    <logger name="com.thumbtack.becquerel" level="INFO" />

    <!-- Show only warning messages from all other code. -->
    <root level="WARN">
        <appender-ref ref="ASYNCSTDOUT" />
    </root>

</configuration>