Node.js 整合 ELK + Zipkin，输出日志到 Logstash
依赖Web 框架（要求 2.7+）1"koa": "^2.13.1" 日志（基于 TCP 协议）参考：log4js-logstash-tcp 12"log4js": "^3.0.5","log4js-logstash-tcp": "^2.0.0" Zipkin参考：zipkin-instrumentation-koa 12"zipkin-instrumentation-koa": "^0.22.0","zipkin-transport-http": "^0.22.0" 代码（Zipkin 部分）123456789101112// 下游（上游略，上游改 localServiceName 即可）const { Tracer, BatchRecorder, ExplicitContext } = require('zipkin');const ...
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