/// Return:
///    Exists: boolean
///    ...(helper/image)

{{ $result := dict 
    "Exists" false
}}

{{ with .Params.image }}
    {{ $result = merge $result (dict "Exists" true) }}
    {{ $image := partial "helper/image" (dict "Resources" $.Resources "Image" . ) }}
    {{ $result = merge $result $image }}
{{ end }}

{{ return $result }}