title: Unable to write policy file in vault test container
body: <p>I'm trying to associate a policy file in my vault test container. But It is giving me an error.</p>
  <p>Below is the command I'm running.</p>
  <pre><code>Container.ExecResult result = vaultContainer.execInContainer(&quot;vault&quot;, &quot;policy&quot;, &quot;write&quot;, &quot;admin&quot;, &quot;- &lt;&lt;EOF\n&quot; +
  &quot;path \&quot;secret/*\&quot; {\n&quot; +
  &quot;  capabilities = [ \&quot;read\&quot; ]\n&quot; +
  &quot;}\n&quot; +
  &quot;EOF&quot;);
  </code></pre>
  <p>Error:</p>
  <pre><code>Container.ExecResult(exitCode=2, stdout=, stderr=Error opening policy file: open - &lt;&lt;EOF
  path &quot;secret/*&quot; {
    capabilities = [ &quot;read&quot; ]
  }
  EOF: no such file or directory
  )
  </code></pre>
  <p>And policy is not getting written in the vault container. Any help would be greatly apprecited.</p>