/reference/gce_tag_container.html">gce_tag_container</a></span>(<span class="st">"shiny-googleauthrdemo"</span>, <span class="dt">project =</span> <span class="st">"gcer-public"</span>)</a>
<a class="sourceLine" id="cb5-3" data-line-number="3"><span class="co"># gcr.io/gcer-public/shiny-googleauthrdemo</span></a></code></pre></div>
<p>This can then be added to to top of your <code>Dockerfile</code>, and built upon with custom packages:</p>
<div class="sourceCode" id="cb6"><pre class="sourceCode sh"><code cl