add_action( 'init', function () {
    error_log( 'home_url(): ' . home_url() );
    error_log( 'site_url(): ' . site_url() );
    error_log( 'HTTP_HOST: ' . ($_SERVER['HTTP_HOST'] ?? 'missing') );
    error_log( 'X_FORWARDED_HOST: ' . ($_SERVER['HTTP_X_FORWARDED_HOST'] ?? 'missing') );
    error_log( 'X_FORWARDED_PROTO: ' . ($_SERVER['HTTP_X_FORWARDED_PROTO'] ?? 'missing') );
}, 1 );