10. Sending spans to Zipkin

By default if you add spring-cloud-starter-zipkin as a dependency to your project, when the span is closed, it will be sent to Zipkin over HTTP. The communication is asynchronous. You can configure the URL by setting the spring.zipkin.baseUrl property as follows:

spring.zipkin.baseUrl: http://192.168.99.100:9411/

If you want to find Zipkin via service discovery it’s enough to pass the Zipkin’s service id inside the URL (example for zipkinserver service id)

spring.zipkin.baseUrl: http://zipkinserver/