{% for item in site.data.posts.index.data %}
  <li>
    {{ item.id }} {{ item.attributes.title }} {{ item.attributes.updatedAt | date: "%Y" }}
    <img src="{{site.url}}/uploads/2021/{{ item.attributes.image.data.attributes.name }}" />
    {{ item.attributes.image.data.attributes.placeholder}}
  </li>
{% endfor %}