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You may generate PDFs in Laravel Cloud by leveraging Cloudflare’s Browser Rendering API. To get started, generate a Cloudflare API token that has the Account.Browser Rendering permission and locate your Account ID from your Cloudflare dashboard URL.

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Using Laravel PDF

Spatie’s Laravel PDF package provides a convenient wrapper around Cloudflare’s Browser Rendering API via its built-in Cloudflare driver. No Node.js or Chrome binary is required on your instances. First, install the package via Composer: 
composer require spatie/laravel-pdf
Then, add the following environment variables to your Cloud environment’s environment variable settings: 
LARAVEL_PDF_DRIVER=cloudflare
CLOUDFLARE_API_TOKEN=your-api-token
CLOUDFLARE_ACCOUNT_ID=your-account-id
Once configured, you may generate PDFs using the Pdf facade. For example, the following controller method renders a view as a PDF and streams it as a download to the browser: 
use Spatie\LaravelPdf\Facades\Pdf;

public function download()
{
    return Pdf::view('pdfs.invoice', ['invoice' => $invoice])
        ->format('a4')
        ->download('invoice.pdf');
}
For more information on available options such as custom paper sizes, margins, headers, and footers, please refer to the Laravel PDF documentation.

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Using Laravel Cashier with Laravel PDF

Cashier’s default invoice PDF renderer uses Dompdf, which does not work in Laravel Cloud. To generate Cashier invoices on Cloud, install Spatie’s Laravel PDF package and configure the Cloudflare environment variables as described above: 
composer require spatie/laravel-pdf
Then, set Cashier to use its built-in Laravel PDF invoice renderer by adding the following environment variable to your Cloud environment’s environment variable settings: 
CASHIER_INVOICE_RENDERER=Laravel\Cashier\Invoices\LaravelPdfInvoiceRenderer
Cashier will automatically resolve this renderer at runtime and use Spatie Laravel PDF when generating invoice downloads.

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Manual Usage

If you prefer to call the Cloudflare API directly without an additional dependency, add a cloudflare entry to your services.php config file: 
'cloudflare' => [
    'api_token' => env('CLOUDFLARE_API_TOKEN'),
    'account_id' => env('CLOUDFLARE_ACCOUNT_ID'),
],
Next, set these environment variables in your Cloud environment’s environment variable settings. Now you may call the Cloudflare PDF API using Laravel’s built-in Http facade. The following example demonstrates how to generate HTML from a view and stream the response as a downloadable PDF to the browser from a controller method: 
use Illuminate\Support\Facades\Http;

public function download()
{
    return response()->streamDownload(function () {
        $token = config('services.cloudflare.api_token');
        $accountId = config('services.cloudflare.account_id');

        echo Http::withToken($token)
            ->post('https://api.cloudflare.com/client/v4/accounts/'.$accountId.'/browser-rendering/pdf', [
                'html' => view('view-to-render')->render(),
            ])
            ->body();
    }, 'file.pdf', [
        'Content-Type' => 'application/pdf',
    ]);
}