test

package.json

@@ -14,7 +14,8 @@
     "react-router": "^5.2.0",
     "react-router-dom": "^5.2.0",
     "react-scripts": "^3.4.3",
-    "serve": "^11.3.2"
+    "serve": "^11.3.2",
+    "heroku-postbuild": "npm run build"
   },
   "engines": {
     "node": "12.16.3",