The default server-side session storage, MemoryStore, is purposely not designed for a production environment. We will be using express-session middleware to manage sessions in Node.js The session is stored in the express server itself.
Node.js provides us with the express-session package, middleware for ExpressJS. In order to create a shopping cart we need a simple storage system where we can collect products and the cart's total. Node.js runs single-threaded, non-blocking, asynchronous programming, which is very memory efficient. Node.js helps developers make the best use of event loops and callbacks for I/O operations. Storing shopping cart data in Redis is a good idea since you can retrieve the items very fast at any time and persist this data if needed.īuilding an ecommerce app with Node.js makes a lot more sense because it ensures the balance between frontend and backend load time due to its asynchronous nature (the ability to handle multiple concurrent users at a time). However, this will require you to send the cookies with every web request, which can slow down the request in case of large cookies. The advantage of doing this is that you wouldn't need to store such temporary data in your database. Cookies are small text files stored in a web user's browser directory or data folder.
Usually, the shopping cart data is stored on the client-side as a cookie. This tutorial will show you how to harness the power of Redis by creating a basic ecommerce shopping cart application with Node.js. Setting up the backend (Node.js Express).
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