change build script

package.json

@@ -11,10 +11,11 @@
     "react-scripts": "3.4.1"
   },
   "scripts": {
-    "start": "react-scripts start",
+    "start-app": "react-scripts start",
     "build": "react-scripts build",
     "test": "react-scripts test",
-    "eject": "react-scripts eject"
+    "eject": "react-scripts eject",
+    "start": "node server.js"
   },
   "eslintConfig": {
     "extends": "react-app"

server.js

@@ -0,0 +1,13 @@
+const path = require('path');
+const express = require('express');
+const app = express();
+const publicPath = path.join(__dirname, '.', 'build');
+const port = process.env.PORT || 3000;
+app.use(express.static(publicPath));
+app.get('*', (req, res) => {
+   res.sendFile(path.join(publicPath, 'index.html'));
+});
+app.listen(port, () => {
+   console.log('Server is up!');
+});
+

src/App.js

@@ -3,6 +3,10 @@ import logo from './logo.svg';
 import './App.css';
 
 function App() {
+return (
+<h1>React My </h1>
+
+)
   return (
     <div className="App">
       <header className="App-header">