Logback configuration with JSON output when run in a container

logback.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration debug="false" scan="true" scanPeriod="120 seconds" packagingData="false">

    <if condition='p("HOME").startsWith("/app")'><then> <!-- Docker -->
      <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder class="net.logstash.logback.encoder.LogstashEncoder">
          <!--<timeZone>UTC</timeZone>-->
          <timeZone>Brazil/East</timeZone>
          <includeContext>false</includeContext>
          <includeCallerData>false</includeCallerData>
          <fieldNames class="net.logstash.logback.fieldnames.ShortenedFieldNames">
            <message>m</message>
            <logger>l</logger>
            <thread>t</thread>
            <level>p</level>
            <timestamp>@</timestamp>
            <levelValue>[ignore]</levelValue>
            <version>[ignore]</version>
          </fieldNames>
          <shortenedLoggerNameLength>20</shortenedLoggerNameLength>
          <throwableConverter class="net.logstash.logback.stacktrace.ShortenedThrowableConverter">
            <rootCauseFirst>true</rootCauseFirst>
            <shortenedClassNameLength>260</shortenedClassNameLength>
            <maxDepthPerThrowable>5</maxDepthPerThrowable>
            <maxLength>2048</maxLength>
            <exclude>sun\.reflect\..*\.invoke.*</exclude>
            <exclude>com\.sun\..*</exclude>
            <exclude>sun\.net\..*</exclude>
            <exclude>net\.sf\.cglib\.proxy\.MethodProxy\.invoke</exclude>
            <exclude>org\.springframework\.cglib\..*</exclude>
            <exclude>org\.springframework\.transaction\..*</exclude>
            <exclude>org\.springframework\.validation\..*</exclude>
            <exclude>org\.springframework\.app\..*</exclude>
            <exclude>org\.springframework\.aop\..*</exclude>
            <exclude>java\.lang\.reflect\.Method\.invoke</exclude>
            <exclude>org\.springframework\.ws\..*\.invoke</exclude>
            <exclude>org\.springframework\.ws\.transport\..*</exclude>
            <exclude>org\.springframework\.ws\.soap\.saaj\.SaajSoapMessage\.*</exclude>
            <exclude>org\.springframework\.ws\.client\.core\.WebServiceTemplate\..*</exclude>
            <exclude>org\.springframework\.web\.filter\..*</exclude>
            <exclude>org\.springframework\.boot\.actuate\.autoconfigure\.MetricFilterAutoConfiguration\.*</exclude>
            <exclude>org\.apache\.tomcat\..*</exclude>
            <exclude>org\.apache\.catalina\..*</exclude>
            <exclude>org\.apache\.coyote\..*</exclude>
            <exclude>java\.util\.concurrent\.ThreadPoolExecutor\.runWorker.*</exclude>
          </throwableConverter>
        </encoder>
      </appender>

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

    </then><else>
      <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
          <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{35} - %msg%n</pattern>
        </encoder>
      </appender>

      <appender name="FILE_DEBUG" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <append>true</append>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
          <fileNamePattern>logs/application-debug.%d{yyyy-MM-dd}.log</fileNamePattern>
          <maxHistory>30</maxHistory>
        </rollingPolicy>
        <encoder>
          <pattern>%d{HH:mm:ss.SSS}:%5p [%20t] %-40.40logger{39} : %m%n</pattern>
        </encoder>
      </appender>

      <appender name="FILE_INFO" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
          <level>INFO</level>
        </filter>
        <append>true</append>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
          <fileNamePattern>logs/application-info.%d{yyyy-MM-dd}.log</fileNamePattern>
          <maxHistory>30</maxHistory>
        </rollingPolicy>
        <encoder>
          <pattern>%d{HH:mm:ss.SSS}:%5p [%20t] %-40.40logger{39} : %m%n</pattern>
        </encoder>
      </appender>

      <root level="ERROR">
        <appender-ref ref="STDOUT" />
        <appender-ref ref="FILE_INFO" />
        <appender-ref ref="FILE_DEBUG" />
      </root>

    </else></if>

  <logger name="com.mycompany.myapp" level="DEBUG" />
  
  <logger name="org.springframework" level="INFO" />
  <logger name="org.springframework.ws.client.MessageTracing">
    <level value="TRACE"/>
  </logger>
  <logger name="org.springframework.ws.server.MessageTracing">
    <level value="TRACE"/>
  </logger>

  <logger name="org.springframework.integration.mail.ImapMailReceiver">
    <level value="ERROR" />
  </logger>

</configuration>