--- Name: coreconfig --- SilverStripe\Control\HTTP: cache_control: no-cache: true no-store: true must-revalidate: true vary: "X-Requested-With, X-Forwarded-Protocol" SilverStripe\Core\Manifest\VersionProvider: modules: silverstripe/framework: Framework --- Name: httpconfig-dev Only: environment: dev --- SilverStripe\Control\HTTP: disable_http_cache: true