refactor(server): make redis required module (#9121)

packages/backend/server/src/base/websocket/options.ts

@@ -0,0 +1,13 @@
+import { FactoryProvider } from '@nestjs/common';
+
+import { Config } from '../config';
+
+export const WEBSOCKET_OPTIONS = Symbol('WEBSOCKET_OPTIONS');
+
+export const websocketOptionsProvider: FactoryProvider = {
+  provide: WEBSOCKET_OPTIONS,
+  useFactory: (config: Config) => {
+    return config.websocket;
+  },
+  inject: [Config],
+};