style="list-style-type: decimal">
<li>The example Dockerfile is a simple one that uses a Tidyverse Docker image (this has RStudio as well) and installs <code>secret</code>. Customise this to your needs, perhaps by creating your own Dockerfile with help from <a href="https://github.com/o2r-project/containerit"><code>containerit</code></a>
</li>
</ol>
<pre><code>FROM rocker/tidyverse

# Install secret
RUN install2.r --error \
        secret </code></pre>
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<li>The