create-app: update to use backend discovery

packages/create-app/templates/default-app/packages/backend/src/index.ts

@@ -14,6 +14,7 @@ import {
   getRootLogger,
   useHotMemoize,
   notFoundHandler,
+  SingleHostDiscovery,
 } from '@backstage/backend-common';
 import { ConfigReader, AppConfig } from '@backstage/config';
 import auth from './plugins/auth';
@@ -37,7 +38,8 @@ function makeCreateEnv(loadedConfigs: AppConfig[]) {
         },
       },
     );
-    return { logger, database, config };
+    const discovery = SingleHostDiscovery.fromConfig(config);
+    return { logger, database, config, discovery };
   };
 }
 
@@ -59,7 +61,7 @@ async function main() {
   apiRouter.use('/auth', await auth(authEnv))
   apiRouter.use('/identity', await identity(identityEnv))
   apiRouter.use('/techdocs', await techdocs(techdocsEnv))
-  apiRouter.use('/proxy', await proxy(proxyEnv, '/api/proxy'))
+  apiRouter.use('/proxy', await proxy(proxyEnv))
   apiRouter.use(notFoundHandler());
 
   const service = createServiceBuilder(module)

packages/create-app/templates/default-app/packages/backend/src/plugins/auth.ts

@@ -5,6 +5,7 @@ export default async function createPlugin({
   logger,
   database,
   config,
+  discovery,
 }: PluginEnvironment) {
-  return await createRouter({ logger, config, database });
+  return await createRouter({ logger, config, database, discovery });
 }

packages/create-app/templates/default-app/packages/backend/src/plugins/proxy.ts

@@ -2,9 +2,10 @@
 import { createRouter } from '@backstage/plugin-proxy-backend';
 import { PluginEnvironment } from '../types';
 
-export default async function createPlugin(
-  { logger, config }: PluginEnvironment,
-  pathPrefix: string,
-) {
-  return await createRouter({ logger, config, pathPrefix });
+export default async function createPlugin({
+  logger,
+  config,
+  discovery,
+}: PluginEnvironment) {
+  return await createRouter({ logger, config, discovery });
 }

packages/create-app/templates/default-app/packages/backend/src/plugins/techdocs.ts

@@ -13,6 +13,7 @@ import Docker from 'dockerode';
 export default async function createPlugin({
   logger,
   config,
+  discovery,
 }: PluginEnvironment) {
   const generators = new Generators();
   const techdocsGenerator = new TechdocsGenerator(logger, config);
@@ -37,5 +38,6 @@ export default async function createPlugin({
     dockerClient,
     logger,
     config,
+    discovery,
   });
 }

packages/create-app/templates/default-app/packages/backend/src/types.ts

@@ -1,9 +1,11 @@
 import Knex from 'knex';
 import { Logger } from 'winston';
 import { Config } from '@backstage/config';
+import { PluginEndpointDiscovery } from '@backstage/backend-common';
 
 export type PluginEnvironment = {
   logger: Logger;
   database: Knex;
   config: Config;
+  discovery: PluginEndpointDiscovery;
 };