Fix cors options

Author: cheehongw

api_gateway/package-lock.json

@@ -23,6 +23,7 @@
   },
   "devDependencies": {
     "@types/cookie-parser": "^1.4.5",
+    "@types/cors": "^2.8.16",
     "@types/express": "^4.17.20",
     "@types/express-jwt": "^7.4.2",
     "@types/morgan": "^1.9.7",

api_gateway/package.json

@@ -5,7 +5,13 @@ import { routes_config, ws_collab_proxy_config, ws_match_proxy_config } from './
 import { jwtCheck, onCredentialFailure } from './middleware/token_check';
 import { setupLogging } from './middleware/logging';
 import { isLocal } from './proxy/service_addresses';
-import { createProxyMiddleware } from 'http-proxy-middleware';
+import cors from 'cors';
+
+const corsOptions = {
+    origin: ["http://peerprep-g10.com", "https://peerprep-g10.com", "http://localhost:3000"],
+    methods: ["GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"]
+}
+
 
 const httpApp = express();
 const httpProxyPort: number = parseInt(process.env.PORT || "8000");
@@ -16,6 +22,10 @@ const wsMatchMakePort : number = parseInt(process.env.PORT || "7999");
 const wsCollabApp = express();
 const wsCollabAppPort : number = parseInt(process.env.PORT || "7998");
 
+httpApp.use(cors(corsOptions));
+wsMatchMakeApp.use(cors(corsOptions));
+wsCollabApp.use(cors(corsOptions));
+
 
 httpApp.use(cookieParser())