${logging.file}/aitrainer.log ${logging.file}/aitrainer.%d{yyyy-MM-dd}.%i.log.gz 50MB 30 %d{yyyy-MM-dd HH:mm:ss.SSS} [%level] [%thread] [%logger:%line] %msg%n %d{yyyy-MM-dd HH:mm:ss.SSS} [%level] [%thread] [%logger:%line] %msg%n