Update the App
Let’s make a couple of quick changes to test the process of deploying updates to our app.
We are going to add a Login and Signup button to our lander to give users a clear call to action.
To do this update our renderLander method in src/containers/Home.js.
renderLander() {
  return (
    <div className="lander">
      <h1>Scratch</h1>
      <p>A simple note taking app</p>
      <div>
        <Link to="/login" className="btn btn-info btn-lg">
          Login
        </Link>
        <Link to="/signup" className="btn btn-success btn-lg">
          Signup
        </Link>
      </div>
    </div>
  );
}
And import the Link component from React-Router in the header.
import { Link } from "react-router-dom";
Also, add a couple of styles to src/containers/Home.css.
.Home .lander div {
  padding-top: 20px;
}
.Home .lander div a:first-child {
  margin-right: 20px;
}
And our lander should look something like this.

Next, let’s deploy these updates.
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For help and discussion
Comments on this chapterFor reference, here is the code so far
Frontend Source :update-the-app