logback-spring.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
	<include resource="org/springframework/boot/logging/logback/defaults.xml"/>

	<springProperty scope="context" name="springAppName" source="spring.application.name"/>
	<!-- Example for logging into the build folder of your project -->
	<property name="LOG_FILE" value="${BUILD_FOLDER:-build}/${springAppName}"/>

	<!-- You can override this to have a custom pattern -->
	<property name="CONSOLE_LOG_PATTERN"
			  value="%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(${LOG_LEVEL_PATTERN:-%5p}) %clr(${PID:- }){magenta} %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}"/>

	<!-- Appender to log to console -->
	<appender name="console" class="ch.qos.logback.core.ConsoleAppender">
		<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
			<!-- Minimum logging level to be presented in the console logs-->
			<level>DEBUG</level>
		</filter>
		<encoder>
			<pattern>${CONSOLE_LOG_PATTERN}</pattern>
			<charset>utf8</charset>
		</encoder>
	</appender>

	<!-- Appender to log to file -->
	<appender name="flatfile" class="ch.qos.logback.core.rolling.RollingFileAppender">
		<file>${LOG_FILE}</file>
		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
			<fileNamePattern>${LOG_FILE}.%d{yyyy-MM-dd}.gz</fileNamePattern>
			<maxHistory>7</maxHistory>
		</rollingPolicy>
		<encoder>
			<pattern>${CONSOLE_LOG_PATTERN}</pattern>
			<charset>utf8</charset>
		</encoder>
	</appender>

	<!-- Appender to log to file in a JSON format -->
	<appender name="logstash" class="ch.qos.logback.core.rolling.RollingFileAppender">
		<file>${LOG_FILE}.json</file>
		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
			<fileNamePattern>${LOG_FILE}.json.%d{yyyy-MM-dd}.gz</fileNamePattern>
			<maxHistory>7</maxHistory>
		</rollingPolicy>
		<encoder class="net.logstash.logback.encoder.LoggingEventCompositeJsonEncoder">
			<providers>
				<timestamp>
					<timeZone>UTC</timeZone>
				</timestamp>
				<pattern>
					<pattern>
						{
						"timestamp": "@timestamp",
						"severity": "%level",
						"service": "${springAppName:-}",
						"trace": "%X{traceId:-}",
						"span": "%X{spanId:-}",
						"baggage": "%X{key:-}",
						"pid": "${PID:-}",
						"thread": "%thread",
						"class": "%logger{40}",
						"rest": "%message"
						}
					</pattern>
				</pattern>
			</providers>
		</encoder>
	</appender>

	<springProfile name="logzio">
		<!-- Use shutdownHook so that we can close gracefully and finish the log drain -->
		<shutdownHook class="ch.qos.logback.core.hook.DelayingShutdownHook"/>
		<appender name="LogzioLogbackAppender" class="io.logz.logback.LogzioLogbackAppender">
			<token>${LOGZ_IO_API_TOKEN}</token>
			<logzioUrl>https://listener.logz.io:8071</logzioUrl>
			<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
				<level>INFO</level>
			</filter>
			<debug>true</debug>
			<encoder class="net.logstash.logback.encoder.LoggingEventCompositeJsonEncoder">
				<providers>
					<timestamp>
						<timeZone>UTC</timeZone>
					</timestamp>
					<pattern>
						<pattern>
							{
							"timestamp": "@timestamp",
							"severity": "%level",
							"service": "${springAppName:-}",
							"trace": "%X{traceId:-}",
							"span": "%X{spanId:-}",
							"baggage": "%X{key:-}",
							"pid": "${PID:-}",
							"thread": "%thread",
							"class": "%logger{40}",
							"rest": "%message"
							}
						</pattern>
					</pattern>
				</providers>
			</encoder>
		</appender>

		<root level="info">
			<!-- IMPORTANT: make sure to include this line, otherwise the appender won't be used -->
			<appender-ref ref="LogzioLogbackAppender"/>
		</root>
	</springProfile>

	<root level="INFO">
		<appender-ref ref="console"/>
		<!-- uncomment this to have also JSON logs -->
		<!--<appender-ref ref="logstash"/>-->
		<!--<appender-ref ref="flatfile"/>-->
	</root>
</configuration>