logback configuration for structured logging

logback.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
	<appender class="ch.qos.logback.core.ConsoleAppender" name="stdout">
		<encoder>
			<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %5p [appName:%thread:%X{X-B3-TraceId}:%X{X-B3-SpanId}] %logger{40} - %msg%n
			</pattern>
		</encoder>
	</appender>
	<appender class="ch.qos.logback.core.ConsoleAppender" name="jsonstdout">
		<encoder class="net.logstash.logback.encoder.LogstashEncoder">
			<providers>
				<timestamp>
					<timeZone>EST</timeZone>
				</timestamp>
				<pattern>
					<pattern>
						{
							"level": "%level",
							"service": "appName",
							"traceId": "%X{X-B3-TraceId:-}",
							"spanId": "%X{X-B3-SpanId:-}",
							"thread": "%thread",
							"class": "%logger{40}",
							"message": "%message"
						}
					</pattern>
				</pattern>
				<stackTrace>
					<throwableConverter class="net.logstash.logback.stacktrace.ShortenedThrowableConverter">
						<maxDepthPerThrowable>30</maxDepthPerThrowable>
						<maxLength>2048</maxLength>
						<shortenedClassNameLength>20</shortenedClassNameLength>
						<rootCauseFirst>true</rootCauseFirst>
					</throwableConverter>
				</stackTrace>
			</providers>
		</encoder>
	</appender>
	<springProfile name="LOCAL">
		<root level="info">
			<appender-ref ref="stdout"/>
		</root>
	</springProfile>
	<springProfile name="!LOCAL">
		<root level="info">
			<appender-ref ref="jsonstdout"/>
		</root>
	</springProfile>
</configuration>