udpdated build config

next.config.js

@@ -32,6 +32,10 @@ module.exports = withStyles({
     },
 });
 module.exports = {
+    generateBuildId: async () => {
+        // You can, for example, get the latest git commit hash here
+        return "pinswg-build-id";
+    },
     poweredByHeader: false,
     env: {
         // GRANT_TYPE : 'password',

package.json

@@ -4,7 +4,7 @@
   "private": true,
   "scripts": {
     "dev": "next dev",
-    "build": "next build",
+    "build": "NODE_ENV=production node_modules/next/dist/bin/next build",
     "start": "node_modules/next/dist/bin/next start -p $PORT"
   },
   "dependencies": {