Illustrate potential software catalog indexing.

Signed-off-by: Eric Peterson <ericpeterson@spotify.com>

packages/backend/package.json

@@ -41,6 +41,7 @@
     "@backstage/plugin-rollbar-backend": "^0.1.8",
     "@backstage/plugin-scaffolder-backend": "^0.9.2",
     "@backstage/plugin-search-backend": "^0.1.1",
+    "@backstage/plugin-search-indexer-backend": "^0.1.1",
     "@backstage/plugin-techdocs-backend": "^0.6.5",
     "@backstage/plugin-todo-backend": "^0.1.1",
     "@gitbeaker/node": "^28.0.2",

packages/backend/src/index.ts

@@ -110,6 +110,8 @@ async function main() {
     console.log(err);
     process.exit(1);
   });
+
+  // @todo Start Search Refresh Loop Here?
 }
 
 module.hot?.accept();

packages/backend/src/plugins/catalog.ts

@@ -19,8 +19,10 @@ import {
   CatalogBuilder,
   createRouter,
   runPeriodically,
+  SearchCollatorFactory,
 } from '@backstage/plugin-catalog-backend';
 import { Router } from 'express';
+import { registerCollator } from '@backstage/plugin-search-indexer-backend';
 import { PluginEnvironment } from '../types';
 
 export default async function createPlugin(
@@ -39,6 +41,12 @@ export default async function createPlugin(
     runPeriodically(() => higherOrderOperation.refreshAllLocations(), 100000),
   );
 
+  registerCollator({
+    type: 'software-catalog',
+    defaultRefreshIntervalSeconds: 600,
+    collator: SearchCollatorFactory(entitiesCatalog),
+  });
+
   return await createRouter({
     entitiesCatalog,
     locationsCatalog,