--- /dev/null
+<?php
+
+/**
+ * @file
+ */
+
+use Drupal\Core\Database\Database;
+use Drupal\Component\Serialization\Yaml;
+
+$connection = Database::getConnection();
+
+// Set the schema version.
+$connection->merge('key_value')
+ ->condition('collection', 'system.schema')
+ ->condition('name', 'entity_embed')
+ ->fields([
+ 'collection' => 'system.schema',
+ 'name' => 'entity_embed',
+ 'value' => 's:4:"8001";',
+ ])
+ ->execute();
+
+$config = Yaml::decode(file_get_contents(__DIR__ . '/../../../config/optional/embed.button.node.yml'));
+$connection->insert('config')
+ ->fields([
+ 'collection',
+ 'name',
+ 'data',
+ ])
+ ->values([
+ 'collection' => '',
+ 'name' => 'embed.button.node',
+ 'data' => serialize($config),
+ ])
+ ->execute();
+
+// Update core.extension.
+$extensions = $connection->select('config')
+ ->fields('config', ['data'])
+ ->condition('collection', '')
+ ->condition('name', 'core.extension')
+ ->execute()
+ ->fetchField();
+$extensions = unserialize($extensions);
+$extensions['module']['embed'] = 8000;
+$extensions['module']['entity_embed'] = 8001;
+$extensions['module']['embed'] = 8000;
+$connection->update('config')
+ ->fields([
+ 'data' => serialize($extensions),
+ ])
+ ->condition('collection', '')
+ ->condition('name', 'core.extension')
+ ->execute();