julienmonnerie/site/controllers/home.php

<?php

return function ($kirby, $site) {

    // Get shared data from default controller (site.php)
    $shared = $kirby->controller('site' , compact('site'));

    // Get CV page URL and override logo href and aria-label attributes
    $logoHref = page('cv')->url();
    $logoAriaLabel = "Go to {$site->title()}'s CV page";

    // Get items from image gallery structure field
    $galleryItems = $site->image_gallery()->toStructure();

    // Return merged arrays containing shared data and current controller data
    return A::merge(
        $shared,
        compact(
            'galleryItems',
            'logoAriaLabel',
            'logoHref',
        )
    );
};