Add concurrently for start script

package.json

@@ -5,18 +5,19 @@
   "dependencies": {
     "body-parser": "^1.17.2",
     "cookie-parser": "^1.4.3",
+    "debug": "~2.6.3",
     "express": "^4.15.3",
     "jade": "^1.11.0",
     "morgan": "^1.8.2",
-    "debug": "~2.6.3",
     "react": "^15.6.1",
     "react-dom": "^15.6.1"
   },
   "devDependencies": {
-    "react-scripts": "1.0.10"
+    "react-scripts": "1.0.10",
+    "concurrently": "^3.5.0"
   },
   "scripts": {
-    "start": "react-scripts start",
+    "start": "concurrently \"react-scripts start\" \"node server/server.js\"",
     "build": "react-scripts build && mv build server",
     "test": "react-scripts test --env=jsdom",
     "eject": "react-scripts eject"

src/App.js

@@ -3,16 +3,15 @@ import logo from './logo.svg';
 import './App.css';
 
 class App extends Component {
-
   constructor() {
     super();
-    this.state = { message: '' }
+    this.state = { message: '' };
   }
 
   componentDidMount() {
     fetch('/api/message')
-    .then(response => response.json())
-    .then(json => this.setState({ message: json }));
+      .then(response => response.json())
+      .then(json => this.setState({ message: json }));
   }
 
   render() {