portainer/app/components/sidebar/sidebar.html

<div class="well">
    <strong>Running containers:</strong>
    <br/>
    <strong>Endpoint: </strong>{{ endpoint }}
    <ul>
        <li ng-repeat="container in containers">
            <a href="#/containers/{{ container.Id }}/">{{ container.Id|truncate:20 }}</a>
            <span class="pull-right label label-{{ container.Status|statusbadge }}">{{ container.Status }}</span>
        </li>
    </ul>
</div>