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    <h1>Containerize R Markdown Documents</h1>
    </div>

    
    <p>Containerize R Markdown documents. This function generates
<code>Dockerfile</code> based on the liftr metadata in the RMD document.</p>
    

    <pre class="usage"><span class='fu'>lift</span>(<span class='kw'>input</span> <span class='kw'>=</span> <span class='kw'>NULL</span>, <span class='kw'>use_config</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>, <span class='kw'>config_file</span> <span class='kw'>=</span> <span class='st'>"_liftr.yml"</span>,
  <span class='kw'>output_dir</span> <span class='kw'>=</span> <span class='kw'>NULL</span>)</pre>
    
    <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a> Arguments</h2>
    <table class="ref-arguments">
    <colgroup><col class="name" /><col class="desc" /></colgroup>
    <tr>
      <th>input</th>
      <td><p>Input (R Markdown) file.</p></td>
    </tr>
    <tr>
      <th>use_config</th>
      <td><p>If <code>TRUE</code>, will parse the liftr metadata from
a YAML file, if <code>FALSE</code>, will parse such information from the
metadata section in the R Markdown file. Default is <code>FALSE</code>.</p></td>
    </tr>
    <tr>
      <th>config_file</th>
      <td><p>Name of the YAML configuration file, under the
same directory as the input file. Default is <code>"_liftr.yml"</code>.</p></td>
    </tr>
    <tr>
      <th>output_dir</th>
      <td><p>Directory to output <code>Dockerfile</code>.
If not provided, will be the same directory as <code>input</code>.</p></td>
    </tr>
    </table>
    
    <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>

    <p><code>Dockerfile</code>.</p>
    
    <h2 class="hasAnchor" id="details"><a class="anchor" href="#details"></a>Details</h2>

    <p>After running lift, run <a href='render_docker.html'>render_docker</a> on the document to
render the containerized R Markdown document using Docker containers.
See <code><a href='../articles/liftr-intro.html'>vignette('liftr-intro')</a></code> for details about the extended
YAML front-matter metadata format used by liftr.</p>
    

    <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
    <pre class="examples"><div class='input'><span class='co'># copy example file</span>
<span class='no'>dir_example</span> <span class='kw'>=</span> <span class='fu'>paste0</span>(<span class='fu'>tempdir</span>(), <span class='st'>'/liftr-minimal/'</span>)
<span class='fu'>dir.create</span>(<span class='no'>dir_example</span>)
<span class='fu'>file.copy</span>(<span class='fu'>system.file</span>(<span class='st'>"examples/liftr-minimal.Rmd"</span>, <span class='kw'>package</span> <span class='kw'>=</span> <span class='st'>"liftr"</span>), <span class='no'>dir_example</span>)</div><div class='output co'>#&gt; [1] TRUE</div><div class='input'>
<span class='co'># containerization</span>
<span class='no'>input</span> <span class='kw'>=</span> <span class='fu'>paste0</span>(<span class='no'>dir_example</span>, <span class='st'>"liftr-minimal.Rmd"</span>)
<span class='fu'>lift</span>(<span class='no'>input</span>)</div><span class='co'># NOT RUN {</span>
<span class='co'># render the document with Docker</span>
<span class='fu'><a href='render_docker.html'>render_docker</a></span>(<span class='no'>input</span>)

<span class='co'># view rendered document</span>
<span class='fu'>browseURL</span>(<span class='fu'>paste0</span>(<span class='no'>dir_example</span>, <span class='st'>"liftr-minimal.html"</span>))

<span class='co'># purge the generated Docker image</span>
<span class='fu'><a href='prune_image.html'>purge_image</a></span>(<span class='fu'>paste0</span>(<span class='no'>dir_example</span>, <span class='st'>"liftr-minimal.docker.yml"</span>))
<span class='co'># }</span></pre>
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    <h2>Contents</h2>
    <ul class="nav nav-pills nav-stacked">
      <li><a href="#arguments">Arguments</a></li>
      
      <li><a href="#value">Value</a></li>

      <li><a href="#details">Details</a></li>
      
      <li><a href="#examples">Examples</a></li>
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