www.kontakt-bamberg.de/layouts/_default/single.html

{{ define "main" }}
<h1>{{ .Title }}</h1>
{{ $textContent := .Content }}
{{ with .Resources.GetMatch "image.jpg" }}
<article>
	<section class="text">{{ $textContent }}</section>
	<section class="image"><img alt="{{ .Title }}" src="{{ .RelPermalink }}"></section>
</article>
{{ else }}
{{ .Content }}
{{ end }}
{{ end }}