rc=/v1.6/docs/examples/microservices-istio/bookinfo-kubernetes/bookinfo.png alt="Bookinfo Web Application"></a></div><figcaption>Bookinfo Web Application</figcaption></figure></li><li><p>Observe how microservices call each other. For example, <code>reviews</code> calls the <code>ratings</code> microservice using the
<code>http://ratings:9080/ratings</code> URL.
See the <a href=https://github.com/istio/istio/blob/release-1.6/samples/bookinfo/src/reviews/reviews-application/src/main/java/application/rest/Libe