chore(scaffolder): code review comments, passing down the docker client

packages/backend/package.json

@@ -26,6 +26,7 @@
     "@backstage/plugin-identity-backend": "^0.1.1-alpha.10",
     "@backstage/plugin-scaffolder-backend": "^0.1.1-alpha.10",
     "@backstage/plugin-sentry-backend": "^0.1.1-alpha.10",
+    "dockerode": "^3.2.0",
     "express": "^4.17.1",
     "knex": "^0.21.1",
     "sqlite3": "^4.2.0",
@@ -33,6 +34,7 @@
   },
   "devDependencies": {
     "@backstage/cli": "^0.1.1-alpha.10",
+    "@types/dockerode": "^2.5.32",
     "@types/express": "^4.17.6",
     "@types/express-serve-static-core": "^4.17.5",
     "@types/helmet": "^0.0.47"

packages/backend/src/plugins/scaffolder.ts

@@ -22,15 +22,17 @@ import {
   Preparers,
 } from '@backstage/plugin-scaffolder-backend';
 import type { PluginEnvironment } from '../types';
+import Docker from 'dockerode';
 
 export default async function createPlugin({ logger }: PluginEnvironment) {
   const templater = new CookieCutter();
   const filePreparer = new FilePreparer();
   const githubPreparer = new GithubPreparer();
   const preparers = new Preparers();
+  const dockerClient = new Docker();
 
   preparers.register('file', filePreparer);
   preparers.register('github', githubPreparer);
 
-  return await createRouter({ preparers, templater, logger });
+  return await createRouter({ preparers, templater, logger, dockerClient });
 }