trying compression with metadata list endpoint

Author: Vikas Agarwal

package.json

@@ -39,6 +39,7 @@
     "bluebird": "^3.4.1",
     "body-parser": "^1.15.0",
     "co": "^4.6.0",
+    "compression": "^1.7.3",
     "config": "^1.20.1",
     "continuation-local-storage": "^3.1.7",
     "cors": "^2.8.4",

src/routes/index.js

@@ -3,6 +3,7 @@ import _ from 'lodash';
 import config from 'config';
 import validate from 'express-validation';
 import { Router } from 'express';
+import compression from 'compression';
 
 const router = Router();
 
@@ -46,6 +47,8 @@ router.route('/v4/projects/metadata/productCategories')
 router.route('/v4/projects/metadata/productCategories/:key')
   .get(require('./productCategories/get'));
 
+
+router.use(`/v4/projects/metadata`, compression());
 router.route('/v4/projects/metadata')
   .get(require('./metadata/list'));