iv><p>This module shows how you create a <a href=https://www.docker.com>Docker</a> image and run it locally.</p><ol><li><p>Download the <a href=https://docs.docker.com/engine/reference/builder/><code>Dockerfile</code></a> for the <code>ratings</code> microservice.</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ curl -s https://raw.githubusercontent.com/istio/istio/release-1.15/samples/bookinfo/src/ratings/Dockerfile -o Dockerfile
</code></pre></li><li><p>Observe the <code>Dockerfil