Imagine you are part of a development and support team that is responsible for developing the company's flagship product—TaxCloud. TaxCloud helps taxpayers file their own taxes and charges them a small fee upon the successful filing of taxes. Consider you had developed this application using microservices. Now, say the product gets popular and gains traction, and suddenly, on the last day of tax filing, you get a rush of consumers wanting to use your product and file their taxes. However, the payment service of your system is slow, which has almost brought the system down, and all the new customers are moving to your competitor's product. This is a lost opportunity for your business.

Even though this is a fictitious scenario, it can very well happen to any business. In e-commerce, we have always experienced these kinds of things in real life...