wp-config.php

<?php
if (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') {
    $scheme = "https";
    $_SERVER['HTTPS'] = 'on';
} else {
    $scheme = "http";
}

define('WP_SITEURL', $scheme . '://' . $_SERVER['HTTP_HOST']);
define('WP_HOME', $scheme . '://' . $_SERVER['HTTP_HOST']);

define('WP_CONTENT_DIR', '/app/public/wp-content');
define('WP_CONTENT_URL', WP_HOME . '/wp-content');