+The Workbench application is in @apps/workbench@ in the source tree.
+
+h2. Install gem dependencies
+
+<notextile>
+<pre><code>~$ <span class="userinput">cd arvados/apps/workbench</span>
+~/arvados/apps/workbench$ <span class="userinput">bundle install</span>
+</code></pre>
+</notextile>
+
+Alternatively, if you don't have sudo/root privileges on the host, install the gems in your own directory instead of installing them system-wide:
+
+<notextile>
+<pre><code>~$ <span class="userinput">cd arvados/apps/workbench</span>
+~/arvados/apps/workbench$ <span class="userinput">bundle install --path=vendor/bundle</span>
+</code></pre></notextile>