
displayed as stars for each review. There are several versions of the <code>ratings</code> microservice. You will deploy the
version that uses <a href=https://www.mongodb.com>MongoDB</a> as the ratings database in the next subsection.</p><p>The example commands in this blog post work with Istio 1.0.</p><p>As a reminder, here is the end-to-end architecture of the application from the
<a href=/v1.18/docs/examples/bookinfo/>Bookinfo sample application</a>.</p><figure style=width:80%><div class=wrapper-with-in