diff --git a/core/lib/Drupal/Core/DrupalKernel.php b/core/lib/Drupal/Core/DrupalKernel.php
index e54cf89..2551a4d 100644
--- a/core/lib/Drupal/Core/DrupalKernel.php
+++ b/core/lib/Drupal/Core/DrupalKernel.php
@@ -526,8 +526,8 @@ public function discoverServiceProviders() {
         }
       }
     }
-    if (!empty($GLOBALS['conf']['container_yamls'])) {
-      $this->serviceYamls['site'] = $GLOBALS['conf']['container_yamls'];
+    if ($container_yamls = Settings::get('container_yamls')) {
+      $this->serviceYamls['site'] = $container_yamls;
     }
     if (file_exists($site_services_yml = $this->getSitePath() . '/services.yml')) {
       $this->serviceYamls['site'][] = $site_services_yml;
diff --git a/sites/example.services.local.yml b/sites/example.services.local.yml
new file mode 100644
index 0000000..efd059f
--- /dev/null
+++ b/sites/example.services.local.yml
@@ -0,0 +1,11 @@
+# Local development services.
+#
+# To activate this feature, copy and rename it such that its path plus
+# filename is 'sites/yoursite.com/services.local.yml'. Then, go to the bottom
+# of 'sites/yoursite.com/settings.local.yml' and uncomment the commented lines
+# that mention 'services.local.yml'.
+services:
+  cache.backend.memory:
+    class: Drupal\Core\Cache\MemoryBackendFactory
+  cache.backend.null:
+    class: Drupal\Core\Cache\NullBackendFactory
diff --git a/sites/example.settings.local.php b/sites/example.settings.local.php
index 99cfcc4..00800af 100644
--- a/sites/example.settings.local.php
+++ b/sites/example.settings.local.php
@@ -17,6 +17,14 @@
 $config['system.performance']['css']['preprocess'] = FALSE;
 $config['system.performance']['js']['preprocess'] = FALSE;
 
+// Enable local services.
+if (file_exists(DRUPAL_ROOT . '/' . $conf_path . '/services.local.yml')) {
+  $settings['container_yamls'][] = DRUPAL_ROOT . '/' . $conf_path . '/services.local.yml';
+}
+// Disable the render cache, by using the Null cache back-end defined by the
+// services.local.yml file above.
+$settings['cache']['bins']['render'] = 'cache.backend.null';
+
 /**
  * Enable access to rebuild.php.
  *