config-loader: switch to using --config options to load in config

plugins/proxy-backend/src/service/router.test.ts

@@ -41,7 +41,7 @@ const mockCreateProxyMiddleware = createProxyMiddleware as jest.MockedFunction<
 describe('createRouter', () => {
   it('works', async () => {
     const logger = winston.createLogger();
-    const config = await loadBackendConfig({ logger });
+    const config = await loadBackendConfig({ logger, argv: [] });
     const discovery = SingleHostDiscovery.fromConfig(config);
     const router = await createRouter({
       config,

plugins/proxy-backend/src/service/standaloneServer.ts

@@ -36,7 +36,7 @@ export async function startStandaloneServer(
 
   logger.debug('Creating application...');
 
-  const config = await loadBackendConfig({ logger });
+  const config = await loadBackendConfig({ logger, argv: process.argv });
   const discovery = SingleHostDiscovery.fromConfig(config);
   const router = await createRouter({
     config,