templates/comment.html.twig
<div class="comment">
<div class="thumbnail" style="background-image:url('{{asset('build/images/default-user.png')}}')"></div>
<div class="content">
<div class="infos">
<div class="author">
{{ comment.user.username }}
</div>
<div class="date">
{{ comment.createdAt|date("d/m/Y") }}
</div>
</div>
<div class="text-container">
{{ comment.content }}
</div>
</div>
</div>