<dependency>

            <groupId>net.logstash.logback</groupId>

            <artifactId>logstash-logback-encoder</artifactId>

            <version>4.9</version>

        </dependency>

    <appender name="LOGSTASH" class="net.logstash.logback.appender.LogstashTcpSocketAppender">

        <destination>127.0.0.1:4560</destination>

        <!-- <encoder charset="UTF-8" class="net.logstash.logback.encoder.LogstashEncoder" /> -->

        <!-- 日志输出编码 -->

        <encoder class="net.logstash.logback.encoder.LoggingEventCompositeJsonEncoder">

            <providers>

                <timestamp>

                    <timeZone>UTC</timeZone>

                </timestamp>

                <pattern>

                    <pattern>

                        {

                        "severity": "%level",

                        "service": "${springAppName:-}",

                        "trace": "%X{X-B3-TraceId:-}",

                        "span": "%X{X-B3-SpanId:-}",

                        "exportable": "%X{X-Span-Export:-}",

                        "pid": "${PID:-}",

                        "thread": "%thread",

                        "class": "%logger{40}",

                        "msg": "%message"

                        }

                    </pattern>

                </pattern>

            </providers>

        </encoder>

    </appender>

input {

    tcp {

        port =>

        codec => json_lines

    }

}

output{

  elasticsearch { hosts => ["localhost:9200"] }

  stdout { codec => rubydebug }

}