Logback appender used with Stuart Sierra's log.dev

logback-partial.xml

<appender name="ALL_LOG_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">

    <!-- Default encoder is ch.qos.logback.classic.encoder.PatternLayoutEncoder -->
    <encoder>
      <pattern>%date{HH:mm:ss.SSS} %-5level %logger{25}: %msg %X thread=%thread%n</pattern>
    </encoder>

    <!-- Default location of log file is log/all.log -->
    <file>log/all.log</file>

    <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">

        <!-- Can't contain date stuff or won't roll over -->
        <fileNamePattern>log/all.%i.log</fileNamePattern>
        <!-- Only retain 5 * 64MB of log files -->
        <minIndex>1</minIndex>
        <maxIndex>5</maxIndex>
    </rollingPolicy>

    <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
        <maxFileSize>64MB</maxFileSize>
    </triggeringPolicy>

</appender>

Used this after copy/paste'ing https://github.com/stuartsierra/log.dev logback.xml into a project for use in local dev env.