Merge pull request #6123 from backstage/blam/remove-alphav1-template-version

Remove legacy scaffolding method and drop support for `v1alpha1` templates

packages/backend/src/plugins/scaffolder.ts

@@ -14,19 +14,9 @@
  * limitations under the License.
  */
 
-import {
-  DockerContainerRunner,
-  SingleHostDiscovery,
-} from '@backstage/backend-common';
+import { DockerContainerRunner } from '@backstage/backend-common';
 import { CatalogClient } from '@backstage/catalog-client';
-import {
-  CookieCutter,
-  CreateReactAppTemplater,
-  createRouter,
-  Preparers,
-  Publishers,
-  Templaters,
-} from '@backstage/plugin-scaffolder-backend';
+import { createRouter } from '@backstage/plugin-scaffolder-backend';
 import Docker from 'dockerode';
 import { Router } from 'express';
 import type { PluginEnvironment } from '../types';
@@ -36,27 +26,15 @@ export default async function createPlugin({
   config,
   database,
   reader,
+  discovery,
 }: PluginEnvironment): Promise<Router> {
   const dockerClient = new Docker();
   const containerRunner = new DockerContainerRunner({ dockerClient });
 
-  const cookiecutterTemplater = new CookieCutter({ containerRunner });
-  const craTemplater = new CreateReactAppTemplater({ containerRunner });
-  const templaters = new Templaters();
-
-  templaters.register('cookiecutter', cookiecutterTemplater);
-  templaters.register('cra', craTemplater);
-
-  const preparers = await Preparers.fromConfig(config, { logger });
-  const publishers = await Publishers.fromConfig(config, { logger });
-
-  const discovery = SingleHostDiscovery.fromConfig(config);
   const catalogClient = new CatalogClient({ discoveryApi: discovery });
 
   return await createRouter({
-    preparers,
-    templaters,
-    publishers,
+    containerRunner,
     logger,
     config,
     database,