Permissions authorization middleware.

server/src/app.js

@@ -1,4 +1,5 @@
 import express from 'express';
+import helmet from 'helmet';
 import boom from 'express-boom';
 import '../config';
 import routes from '@/http';
@@ -8,6 +9,7 @@ const app = express();
 // Express configuration
 app.set('port', process.env.PORT || 3000);
 
+app.use(helmet());
 app.use(boom());
 app.use(express.json());