Install the SSP File Management feature

<?php

use Spryker\Shared\FileSystem\FileSystemConstants;
use Spryker\Service\FlysystemAws3v3FileSystem\Plugin\Flysystem\IamAws3v3FilesystemBuilderPlugin;
use SprykerFeature\Shared\SelfServicePortal\SelfServicePortalConstants;

$config[FileSystemConstants::FILESYSTEM_SERVICE] = [
    'ssp-files' => [
        'sprykerAdapterClass' => IamAws3v3FilesystemBuilderPlugin::class,
        'bucket' => getenv('SPRYKER_S3_SSP_FILES_BUCKET') ?: '',
        'region' => getenv('AWS_REGION') ?: '',
        'path' => '/files',
    ],
];

$config[SelfServicePortalConstants::STORAGE_NAME] = 'ssp-files';

$config[KernelConstants::CORE_NAMESPACES] = [
    ...
    'SprykerFeature',
];

<?php

namespace Pyz\Zed\Permission;

use Spryker\Zed\Permission\PermissionDependencyProvider as SprykerPermissionDependencyProvider;
use SprykerFeature\Shared\SelfServicePortal\Plugin\Permission\ViewCompanyBusinessUnitFilesPermissionPlugin;
use SprykerFeature\Shared\SelfServicePortal\Plugin\Permission\ViewCompanyFilesPermissionPlugin;
use SprykerFeature\Shared\SelfServicePortal\Plugin\Permission\ViewCompanyUserFilesPermissionPlugin;

class PermissionDependencyProvider extends SprykerPermissionDependencyProvider
{
    /**
     * @return array<\Spryker\Shared\PermissionExtension\Dependency\Plugin\PermissionPluginInterface>
     */
    protected function getPermissionPlugins(): array
    {
        return [
            new ViewCompanyUserFilesPermissionPlugin(),
            new ViewCompanyBusinessUnitFilesPermissionPlugin(),
            new ViewCompanyFilesPermissionPlugin(),
        ];
    }
}

<?php

namespace Pyz\Client\Permission;

use Spryker\Client\Permission\PermissionDependencyProvider as SprykerPermissionDependencyProvider;
use SprykerFeature\Yves\SelfServicePortal\Plugin\Permission\DownloadCompanyFilesPermissionPlugin;
use SprykerFeature\Shared\SelfServicePortal\Plugin\Permission\ViewCompanyBusinessUnitFilesPermissionPlugin;
use SprykerFeature\Shared\SelfServicePortal\Plugin\Permission\ViewCompanyFilesPermissionPlugin;
use SprykerFeature\Shared\SelfServicePortal\Plugin\Permission\ViewCompanyUserFilesPermissionPlugin;

class PermissionDependencyProvider extends SprykerPermissionDependencyProvider
{
    /**
     * @return array<\Spryker\Shared\PermissionExtension\Dependency\Plugin\PermissionPluginInterface>
     */
    protected function getPermissionPlugins(): array
    {
        return [
            new DownloadCompanyFilesPermissionPlugin(),
            new ViewCompanyUserFilesPermissionPlugin(),
            new ViewCompanyBusinessUnitFilesPermissionPlugin(),
            new ViewCompanyFilesPermissionPlugin(),
        ];
    }
}

<?php

namespace Pyz\Yves\Router;

use Spryker\Yves\Router\RouterDependencyProvider as SprykerRouterDependencyProvider;
use SprykerFeature\Yves\SelfServicePortal\Plugin\Router\SelfServicePortalPageRouteProviderPlugin;

class RouterDependencyProvider extends SprykerRouterDependencyProvider
{
    /**
     * @return array<\Spryker\Yves\RouterExtension\Dependency\Plugin\RouteProviderPluginInterface>
     */
    protected function getRouteProvider(): array
    {
        return [
            new SelfServicePortalPageRouteProviderPlugin(),
        ];
    }
}

<?php

namespace Pyz\Yves\Twig;

use Spryker\Zed\Twig\TwigDependencyProvider as SprykerTwigDependencyProvider;
use SprykerFeature\Yves\SelfServicePortal\Plugin\Twig\FileSizeFormatterTwigPlugin;

class TwigDependencyProvider extends SprykerTwigDependencyProvider
{
    /**
     * @return array<\Spryker\Shared\TwigExtension\Dependency\Plugin\TwigPluginInterface>
     */
    protected function getTwigPlugins(): array
    {
        return [
            new FileSizeFormatterTwigPlugin(),
        ];
    }
}

<?php

namespace Pyz\Zed\SelfServicePortal;

use SprykerFeature\Zed\SelfServicePortal\SelfServicePortalDependencyProvider as SprykerSelfServicePortalDependencyProvider;
use SprykerFeature\Zed\SelfServicePortal\Communication\Plugin\SspAssetManagement\SspFileSspAssetManagementExpanderPlugin;

class SelfServicePortalDependencyProvider extends SprykerSelfServicePortalDependencyProvider
{   
    /**
     * @return array<\SprykerFeature\Zed\SspAssetManagement\Dependency\Plugin\SspAssetManagementExpanderPluginInterface>
     */
    protected function getSspAssetManagementExpanderPlugins(): array
    {
        return [
            new SspFileSspAssetManagementExpanderPlugin(),
        ];
    }
}

<?php

namespace Pyz\Zed\Twig;

use Spryker\Zed\Twig\TwigDependencyProvider as SprykerTwigDependencyProvider;
use SprykerFeature\Zed\SelfServicePortal\Communication\Twig\SelfServicePortalTwigPlugin;

class TwigDependencyProvider extends SprykerTwigDependencyProvider
{
    /**
     * @return array<\Spryker\Shared\TwigExtension\Dependency\Plugin\TwigPluginInterface>
     */
    protected function getTwigPlugins(): array
    {
        return [
            new SelfServicePortalTwigPlugin(),
        ];
    }
}

<?php

namespace Pyz\Yves\ShopApplication;

use SprykerFeature\Yves\SelfServicePortal\Widget\SspCompanyFilesMenuItemWidget;
use SprykerFeature\Yves\SelfServicePortal\Widget\SspFileListWidget;
use SprykerShop\Yves\ShopApplication\ShopApplicationDependencyProvider as SprykerShopApplicationDependencyProvider;

class ShopApplicationDependencyProvider extends SprykerShopApplicationDependencyProvider
{
    /**
     * @return array<string>
     */
    protected function getGlobalWidgets(): array
    {
        return [
            SspCompanyFilesMenuItemWidget::class,
            SspFileListWidget::class,
        ];
    }
}

<?php

use Spryker\Service\FlysystemLocalFileSystem\Plugin\Flysystem\LocalFilesystemBuilderPlugin;
use Spryker\Shared\FileSystem\FileSystemConstants;

$config[FileSystemConstants::FILESYSTEM_SERVICE]['import-files'] = [
    'sprykerAdapterClass' => LocalFilesystemBuilderPlugin::class,
    'root' => APPLICATION_ROOT_DIR . '/data/import',
    'path' => '/',
];

<?php

namespace Pyz\Zed\DataImport;

use Spryker\Zed\DataImport\DataImportDependencyProvider as SprykerDataImportDependencyProvider;
use SprykerFeature\Zed\SelfServicePortal\Communication\Plugin\DataImport\SspFileAttachmentDataImportPlugin;
use SprykerFeature\Zed\SelfServicePortal\Communication\Plugin\DataImport\SspFileDataImportPlugin;

class DataImportDependencyProvider extends SprykerDataImportDependencyProvider
{
    /**
     * @return list<\Spryker\Zed\DataImport\Dependency\Plugin\DataImportPluginInterface>
     */
    protected function getDataImporterPlugins(): array
    {
        return [
            new SspFileDataImportPlugin(),
            new SspFileAttachmentDataImportPlugin(),
        ];
    }
}

<?php

namespace Pyz\Zed\Console;

use Spryker\Zed\Console\ConsoleDependencyProvider as SprykerConsoleDependencyProvider;
use Spryker\Zed\DataImport\Communication\Console\DataImportConsole;
use Spryker\Zed\Kernel\Container;
use SprykerFeature\Zed\SelfServicePortal\SelfServicePortalConfig;

class ConsoleDependencyProvider extends SprykerConsoleDependencyProvider
{
    /**
     * @param \Spryker\Zed\Kernel\Container $container
     *
     * @return list<\Symfony\Component\Console\Command\Command>
     */
    protected function getConsoleCommands(Container $container)
    {
        $commands = [
            new DataImportConsole(DataImportConsole::DEFAULT_NAME . static::COMMAND_SEPARATOR . SelfServicePortalConfig::IMPORT_TYPE_FILE),
            new DataImportConsole(DataImportConsole::DEFAULT_NAME . static::COMMAND_SEPARATOR . SelfServicePortalConfig::IMPORT_TYPE_FILE_ATTACHMENT),
        ];

        return $commands;
    }
}