diff --git a/packages/backend/src/plugins/auth.ts b/packages/backend/src/plugins/auth.ts
index 7cf9610dc2..a9c687cbc4 100644
--- a/packages/backend/src/plugins/auth.ts
+++ b/packages/backend/src/plugins/auth.ts
@@ -17,6 +17,9 @@
 import { createRouter } from '@backstage/plugin-auth-backend';
 import { PluginEnvironment } from '../types';
 
-export default async function createPlugin({ logger }: PluginEnvironment) {
-  return await createRouter({ logger });
+export default async function createPlugin({
+  logger,
+  config,
+}: PluginEnvironment) {
+  return await createRouter({ logger, config });
 }
diff --git a/plugins/auth-backend/package.json b/plugins/auth-backend/package.json
index e0f9252773..7b448df126 100644
--- a/plugins/auth-backend/package.json
+++ b/plugins/auth-backend/package.json
@@ -21,6 +21,7 @@
   },
   "dependencies": {
     "@backstage/backend-common": "^0.1.1-alpha.9",
+    "@backstage/config": "^0.1.1-alpha.9",
     "@types/express": "^4.17.6",
     "body-parser": "^1.19.0",
     "compression": "^1.7.4",
diff --git a/plugins/auth-backend/src/service/router.ts b/plugins/auth-backend/src/service/router.ts
index 20c35a4084..2e7b4623ff 100644
--- a/plugins/auth-backend/src/service/router.ts
+++ b/plugins/auth-backend/src/service/router.ts
@@ -20,9 +20,11 @@ import cookieParser from 'cookie-parser';
 import bodyParser from 'body-parser';
 import { Logger } from 'winston';
 import { createAuthProviderRouter } from '../providers';
+import { Config } from '@backstage/config';
 
 export interface RouterOptions {
   logger: Logger;
+  config: Config;
 }
 
 export async function createRouter(
@@ -38,7 +40,7 @@ export async function createRouter(
   // TODO: read from app config
   const config = {
     backend: {
-      baseUrl: 'http://localhost:7000',
+      baseUrl: options.config.getString('backend.baseUrl'),
     },
     auth: {
       providers: {
@@ -77,7 +79,7 @@ export async function createRouter(
   const providerConfigs = config.auth.providers;
 
   for (const [providerId, providerConfig] of Object.entries(providerConfigs)) {
-    const baseUrl = `${config.backend.baseUrl}/auth`;
+    const baseUrl = `${options.config.getString('backend.baseUrl')}/auth`;
     logger.info(`Configuring provider, ${providerId}`);
     try {
       const providerRouter = createAuthProviderRouter(