Once we run the program, the HTTP server will start locally listening on port 8080.
Browsing to http://localhost:8080 will show us the ReactJS client page, as shown in the following screenshot:
Clicking on the Add button after filling in the textbox will send a POST request to the HTTP server running on port 8080:
Next, executing a GET request from the command line as follows will give you a list of all the static employees:
$ curl -X GET http://localhost:8080/employees ...