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zipkin-kafka Docker image

The zipkin-kafka testing image runs both Kafka+ZooKeeper for the Kafka collector and the upcoming Kafka storage.

Besides norms defined in docker-java, this accepts the following environment variables:

  • LOGGING_LEVEL: Root Log4J logging level sent to stdout. Defaults to "WARN"

To build openzipkin/zipkin-kafka:test, from the top-level of the repository, run:

$ DOCKER_FILE=docker/test-images/zipkin-kafka/Dockerfile build-bin/docker/docker_build openzipkin/zipkin-kafka:test

Then configure the Kafka sender using a bootstrapServers value of host.docker.internal:9092 if your application is inside the same docker network or localhost:19092 if not, but running on the same host.

In other words, if you are running a sample application on your laptop, you would use localhost:19092 bootstrap server to send spans to the Kafka broker running in Docker.