 class=language-bash data-expandlinks=true data-repo=istio>$ mkdir ratings
$ cd ratings
$ curl -s https://raw.githubusercontent.com/istio/istio/release-1.22/samples/bookinfo/src/ratings/ratings.js -o ratings.js
$ curl -s https://raw.githubusercontent.com/istio/istio/release-1.22/samples/bookinfo/src/ratings/package.json -o package.json
</code></pre></li><li><p>Skim the service&rsquo;s code and note the following elements:</p><ul><li>The web server&rsquo;s features:<ul><li>listening to a port</li><li>handlin