Express Framework Fundamentals - Secure Sign-Up with Auth0 and Node.js - Setting Up the Application Server Wiring

The video tutorial covers the process of setting up a JavaScript application using Express. It begins with renaming files and adding comments for clarity. The instructor explains the importance of separating app logic from server logic, especially in development versus production environments. The tutorial then guides viewers through creating an app.js file, importing necessary modules like Express and cookie parser, and setting up middleware. Finally, it demonstrates configuring locals and exporting the module for further development.

How does the use of a cookie parser enhance the functionality of a web application?

What role does the 'app.locals' property play in an Express application?