hugo-theme-photostream/layouts/photos/single.html

{{ define "main" }}
  <main class="main--single  photostream--single">
    <header class="page-header">
      {{ partial "page_header.html" (dict "page" .) }}
    </header>

    {{- $images := partial "photostream/image-resources.html" . -}}
    {{- if eq (len $images) 0 -}}
      {{ errorf "Missing photo from photos page %q" .Path }}
    {{- end -}}

    {{ if eq (len $images) 1 }}
      {{- $img := index $images 0 -}}
      <figure class="figure  figure--image  photostream__figure">
        <img
          src="{{ $img.RelPermalink }}"
          {{- with $img.Params.alt }} alt="{{ . }}" {{ end -}}>
      </figure>

      {{ .Content -}}

      {{- if .Params.photoDetails | default .Params.photo_details | default true -}}
        {{- partial "photostream/exif_table.html" $img.Exif -}}
      {{- end -}}
    {{ end }}{{/* if eq (len $images) 1 */}}

    <footer class="page-footer">
      {{ partial "page/footer.html" . }}
    </footer>
  </main>
{{ end }}