Umbraco-CMS/src/Umbraco.Web.UI/config/imageprocessor/cache.config

<?xml version="1.0" encoding="utf-8"?>
<caching currentCache="DiskCache">
  <caches>
    <cache trimCache="false" name="DiskCache" type="ImageProcessor.Web.Caching.DiskCache, ImageProcessor.Web" maxDays="365" browserMaxDays="7">
      
    <settings>
        <setting key="VirtualCachePath" value="~/app_data/cache" />
      </settings></cache>
  </caches>
</caching>