Making a Dashboard
Most of the work done so far has focused on building microservices and making them interact with each other. It is time to bring humans into the equation, adding a User Interface (UI) through which our end users can use the system with a browser and change settings that may be awkward or unwise to do through Slack.
Modern web applications greatly rely on client-side JavaScript (JS, also known as ECMAScript). Some JS frameworks go all the way in terms of providing a full Model-View-Controller (MVC) system, which runs in the browser and manipulates the Document Object Model (DOM), the structured representation of the web page that is rendered in a browser.
The web development paradigm has shifted from rendering everything on the side of the server, to rendering everything on the client side with data collected from the server on demand. The reason is that modern web applications change portions of a loaded web page dynamically instead of calling the server...