di.xml

<?xml version="1.0"?>
<!--
/**
 * Fastly CDN for Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Fastly CDN for Magento End User License Agreement
 * that is bundled with this package in the file LICENSE_FASTLY_CDN.txt.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Fastly CDN to newer
 * versions in the future. If you wish to customize this module for your
 * needs please refer to http://www.magento.com for more information.
 *
 * @category    Fastly
 * @package     Fastly_Cdn
 * @copyright   Copyright (c) 2016 Fastly, Inc. (http://www.fastly.com)
 * @license     BSD, see LICENSE_FASTLY_CDN.txt
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <type name="Magento\PageCache\Model\Config">
        <plugin name="fastly_emulate_varnish_cache_type" type="Fastly\Cdn\Model\PageCache\ConfigPlugin"/>
    </type>
    <type name="Magento\CacheInvalidate\Model\PurgeCache">
        <plugin name="fastly_disable_varnish_calls" type="Fastly\Cdn\Model\PageCache\PurgeCachePlugin" />
    </type>
    <type name="Magento\Catalog\Block\Product\Image">
        <plugin name="fastly_adaptive_pixel_ratio" type="Fastly\Cdn\Plugin\AdaptivePixelRatioPlugin" />
    </type>
    <type name="Magento\Catalog\Block\Product\View\Gallery">
        <plugin name="fastly_adaptive_pixel_ratio_on_pgp" type="Fastly\Cdn\Plugin\GalleryPlugin" />
    </type>

    <type name="Magento\ConfigurableProduct\Block\Product\View\Type\Configurable">
        <plugin name="fastly_adaptive_pixel_ratio_on_pgp_configurable" type="Fastly\Cdn\Plugin\Block\Product\View\Type\ConfigurablePlugin" />
    </type>
    <type name="Magento\Framework\Console\CommandList">
        <arguments>
            <argument name="commands" xsi:type="array">
                <item name="EnableCommand" xsi:type="object">Fastly\Cdn\Console\Command\EnableCommand</item>
                <item name="generateFastlyVclCommand" xsi:type="object">Fastly\Cdn\Console\Command\GenerateVclCommand</item>
                <item name="ImportConfigCommand" xsi:type="object">Fastly\Cdn\Console\Command\ConfigImportCommand</item>
                <item name="SerializeToJson" xsi:type="object">Fastly\Cdn\Console\Command\SerializeToJson</item>
                <item name="JsonToSerialize" xsi:type="object">Fastly\Cdn\Console\Command\JsonToSerialize</item>
                <item name="ConfigGetCommand" xsi:type="object">Fastly\Cdn\Console\Command\ConfigGetCommand</item>
                <item name="SuperUserCommand" xsi:type="object">Fastly\Cdn\Console\Command\SuperUserCommand</item>
            </argument>
        </arguments>
    </type>
    <type name="Magento\Framework\View\Asset\Minification">
        <plugin name="fastly_exclude" type="Fastly\Cdn\Plugin\ExcludeFilesFromMinification" />
    </type>
    <type name="Fastly\Cdn\Model\Api">
        <arguments>
                <argument name="authSession" xsi:type="object">Magento\Backend\Model\Auth\Session\Proxy</argument>
        </arguments>
    </type>
    <virtualType name="Fastly\Cdn\Model\RateLimit\Logger\Info" type="Magento\Framework\Logger\Handler\Base">
        <arguments>
            <argument name="fileName" xsi:type="string">/var/log/fastly-rate-limit.log</argument>
        </arguments>
    </virtualType>
    <virtualType name="Fastly\Cdn\Model\RateLimit\Logger" type="Magento\Framework\Logger\Monolog">
        <arguments>
            <argument name="handlers" xsi:type="array">
                <item name="info" xsi:type="object">Fastly\Cdn\Model\RateLimit\Logger\Info</item>
            </argument>
        </arguments>
    </virtualType>
    <type name="Fastly\Cdn\Model\FrontControllerPlugin">
        <arguments>
            <argument name="logger" xsi:type="object">Fastly\Cdn\Model\RateLimit\Logger</argument>
        </arguments>
    </type>

    <preference for="\Magento\Catalog\Model\Product\Image" type="Fastly\Cdn\Model\Product\Image" />

    <preference for="\Magento\Catalog\Model\View\Asset\Image" type="Fastly\Cdn\Model\View\Asset\Image" />

    <type name="Magento\Framework\HTTP\PhpEnvironment\RemoteAddress">
        <arguments>
            <argument name="alternativeHeaders" xsi:type="array">
                <item name="fastly-client-ip" xsi:type="string">HTTP_FASTLY_CLIENT_IP</item>
            </argument>
        </arguments>
    </type>
    <preference for="Fastly\Cdn\Model\Resolver\GeoIP\CountryCodeProviderInterface" type="Fastly\Cdn\Model\Resolver\GeoIP\HttpCountryProvider" />
</config>