Integrating login and signup in the frontend using React Router and JWT

Now that we have successfully implemented authorization in the backend, let’s start extending the frontend with signup and login pages and connecting them to the backend. First, we are going to learn how to implement multiple pages in a React app using React Router. Then, we are going to implement the signup UI and connect it to the backend. Afterward, we are going to implement a login UI, store the token in the frontend, and set up automatic redirects when we are successfully logged in. Finally, we are going to update the code for creating posts to pass the token in the Authorization header and properly access our authenticated route.

Let’s get started with the frontend integration by setting up React Router.

Using React Router to implement multiple routes

React Router is a library that allows us to manage routing in our app by defining multiple pages on different routes, just like what...