layouts/blog/post.html

<article class="blog doc">

    <header>
        {{ if .Params.categories }}
            {{ range .Params.categories }}<a class="category" href="{{ "/categories/" | relURL }}{{ . | urlize }}/">{{ upper . }}</a>{{ end }}
        {{ end }}
        <h1><a href="{{.Page.Permalink}}">{{ .Title }}</a></h1>
    </header>
    <div class="post">
        <aside>
            <div class="summary">{{ .Params.preview }}</div>
            <time itemprop="published" datetime="{{ dateFormat "2006-01-02" .PublishDate }}" title="{{ dateFormat "Monday, January 2, 2006" .PublishDate }}">{{ dateFormat "January 2, 2006" .PublishDate }}</time>
            <p>by <span rel="author">{{ .Params.author }}</span></p>
            <p>
            {{ if .PrevInSection }}
            <a class="arrow prev" href="{{ .PrevInSection.RelPermalink }}" title="Previous post: {{ .PrevInSection.Title }}">&#10094;</a>
            {{ end }}
            {{ if .NextInSection }}
            <a class="arrow next" href="{{ .NextInSection.RelPermalink }}" title="Next post: {{ .NextInSection.Title }}">&#10095;</a>
            {{ end }}
            </p>
        </aside>
        <div class="post-content">
            {{ $featured := (.Resources.ByType "image").GetMatch "*featured*" }}
            {{ with $featured }}
                {{ $featured := .Resize "800x q95 Gaussian" }}
                <img class="featured" alt="Blog post featured image" src="{{ $featured.RelPermalink }}" width="{{ $featured.Width }}" height="{{ $featured.Height }}">
            {{ end }}
            {{ .Content }}
        </div>
    </div>

</article>