"><use xlink:href="/v1.6/img/icons.svg#callout-warning"/></svg></div><div class=content>This is work in progress. We will add its sections in pieces. Your feedback is welcome at <a href=https://discuss.istio.io>discuss.istio.io</a>.</div></aside></div><p>This module shows you an application composed of four microservices written in different programming languages: <code>productpage</code>, <code>details</code>, <code>ratings</code> and <code>reviews</code>. We call the composed application <code>Bookinfo</c