{% load i18n %}
<article class="post-excerpt">
  <header>
    <h1>{{ post.title }}</h1>
  </header>
{% if post.image %}
  <div class="post-image"><img src="{{ STATIC_URL }}{{ post.image }}" alt="{{ post.title }}"></div>
{% endif %}
{{ post.excerpt }}
  <footer>
  <a href="{{ post.get_absolute_url }}">{% trans "Read more" %}</a>
  </footer>
</article>

{% load i18n %}
<article class="post-excerpt">
  <header>
    <h1>{{ post.title }}</h1>
  </header>
{% with post_url=post.get_absolute_url %}
{% if post.image %}
  <div class="post-image"><a href="{{ post_url  }}"><img src="{{ STATIC_URL }}{{ post.image }}" alt="{{ post.title }}"></a></div>
{% endif %}
{{ post.excerpt }}
  <footer>
  <a href="{{ post_url }}">{% trans "Read more" %}</a>
  </footer>
{% endwith %}
</article>

Use the image in excerpt as link
Use the image in excerpt as link
