lamine_wp/web/app/themes/la_mine/accueil.php

<?php
/**
 * template name: Accueil
 */
use Timber\Post;
use Timber\Timber;

$context         = Timber::get_context();
$post            = new Post();
$context['post'] = $post;

$args = 'post_type=post&numberposts=3&orderby=date';

$context['posts'] = Timber::get_posts( $args );

Timber::render('accueil.twig', $context);