{{ $src := .Page.Resources.GetMatch (printf "*%s*" (.Get "src")) }}

{{ if .Get "caption"}}
<figure class="article-figure">
{{ end }}
    <img class="article-image" src="{{ $src.RelPermalink }}" {{ with .Get "alt" }}alt="{{.}}"{{ else }}alt=""{{ end }}>
    {{ if .Get "caption"}}
        <figcaption>{{ .Get "caption" }}</figcaption>
</figure>
{{ end }}