Technical requirements
While we will go through important aspects of the code base in this example, it is expected that you have some rudimentary knowledge of the Node.js environment in order to understand the content of this chapter. In addition to this, it is recommended that you have some knowledge of jQuery, which we will also utilize within our activity, along with a basic familiarity of how to utilize the GitHub Command-Line Interface (CLI) for management and deployment. In addition to this, we will be utilizing the hosting service, Heroku, to host and serve our application that integrates with Journey Builder. Heroku is a Platform-as-a-Service (PaaS) cloud that allows us to build, host, scale, and deploy our application, which will interact with Journey Builder to deliver end-to-end functionality. Before getting started, let's take a high-level view of how the overall flow will work in our example.
As...