Micrometer Tracing with Spring Boot WebFlux and Kotlin

This repository contains a simple demo application showing the usage of Micrometer Tracing.

It contains the following features:

• Spring Boot 3 Webflux
• Micrometer Tracing
• Zipkin tracing export
• R2DBC Database Tracing
• Reactive logs with tracing data
• Custom observations in reactive streams

Requirements

• JVM 1.7+
• Docker

Run Demo

1. Start Zipkin Tracer via
   • docker run -p 9411:9411 openzipkin/zipkin
2. Start application with
   • ./gradlew :bootRun
3. Call test endpoint
   • http://localhost:8080/test
4. Open Zipkin UI and query for traces
   • http://localhost:9411/zipkin/