Try to setup scoped HttpClient in services.xml

services.xml

<?xml version="1.0" encoding="UTF-8" ?>
<container xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xmlns:framework="http://symfony.com/schema/dic/symfony"
           xmlns="http://symfony.com/schema/dic/services"
           xsi:schemaLocation="http://symfony.com/schema/dic/services
        http://symfony.com/schema/dic/services/services-1.0.xsd
        http://symfony.com/schema/dic/symfony
        https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">

    <services>
        <service id="service_id"
                 class="service_class_FQCN"
                 autowire="true">
            <argument id="Symfony\Contracts\HttpClient\HttpClientInterface"
                      type="service"
                      key="$scopedHttpClient"/>
        </service>
        <service id="service_class_FQCN"
                 alias="service_id"/>
    </services>

    <framework:config>
        <framework:http-client>
            <framework:scoped-client
                    name="scoped_http_client"
                    base-uri="%env(string:BASE_URI)%"
                    cafile="%env(string:CAFILE)%"
                    capath="%env(string:CA_PATH)%"
                    local-cert="%env(string:CERT_PATH)%"
                    local-pk="%env(string:KEY_PATH)%">
            </framework:scoped-client>
        </framework:http-client>
    </framework:config>

</container>