Appenders to log JDBC data

logback.xml

<configuration>

  <property name="SERVER_LOG_PATH" value="${server.logging.path:-/var/log/fitnesstracker}"/>
	
  ...
	
  <appender name="SQLONLY_SERVER_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <file>${SERVER_LOG_PATH}/sqlonly.log</file>
    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
      <fileNamePattern>${SERVER_LOG_PATH}/sqlonly-%d{yyyy-MM-dd}.log</fileNamePattern>
      <maxHistory>7</maxHistory>
    </rollingPolicy>
    <encoder>
      <Pattern>%d{HH:mm:ss.SSS} %-5level SQLONLY [%X{xtid}] [%logger{36}] [%thread] %msg%n%ex</Pattern>
    </encoder>
  </appender>
  
  ...
  
  <logger name="jdbc.sqlonly" level="INFO" additivity="false">
    <appender-ref ref="SQLONLY_SERVER_FILE"/>
  </logger>
  
  ...
  
  <root level="info">
    <appender-ref ref="STDOUT" />
  </root>
</configuration>