config.xml

<?xml version="1.0" encoding="UTF-8" ?>
<container xmlns="http://symfony.com/schema/dic/services">
  
  <config xmlns="http://symfony.com/schema/dic/framework_extra">
    <router annotations="true" />
    <request converters="true" />
    <view annotations="true" />
    <cache annotations="true" />
  </config>
</container>