%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n utf-8 ${logFile} ${logFileNamePattern} 100MB %d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n utf-8 ${jsonLogFile} { "service": { "name": "${APM_SERVICE_NAME:-credit-tracker}", "version": "${APM_SERVICE_VERSION:-unknown}" }, "event" : { "dataset": "credit-tracker.log" } } @timestamp log.level log.logger process.thread.name message true ${jsonLogFileNamePattern} 100MB 10