{{- $file := .Get 0 }}
{{- $path := printf "content_images/%s" $file}}
{{- $img := resources.Get $path }}
{{- $img1x := $img.Resize "150x jpg" }}
{{- $img2x := $img.Resize "300x jpg" }}
{{- $caption := .Inner}}
<img
  loading="lazy" ; 
  class="float-right" 
  alt="{{ $caption }}" 
  src="{{ $img1x.Permalink }}" 
  srcset="
    {{ $img1x.Permalink }} 1x,
    {{ $img2x.Permalink }} 2x
  "
  width="{{ $img1x.Width }}" 
  height="{{ $img1x.Height }}"
>