Cloud is the way to go. And AWS is the most popular cloud service. So it is natural that everyone wants to migrate to AWS. But often that is not as simple as it sounds. The bigger and older your legacy system, the harder it is to migrate. Amazon suggests…

Data security is a major concern for anyone and everyone. And its importance is growing everyday. AWS understands this and provides several features to secure the data. In the spirit of the Shared Responsibility Model, we have several possible techniques to secure the data we save on AWS. S3 is…

Best of Speed and Resilience — Responsiveness is one of the most important parameters for the success of any web application. And asynchronous processing is The Solution for attaining this responsiveness. A server request from the browser should return immediately — without wait for completion. …

Coding Beyond the Edge — Lambda functions stormed the world of computation, followed by Lambda @ Edge. But beyond the edge, AWS recently introduced the Cloud front Functions. They can do wonders on the content we serve through the Cloud Front. We can do wonders with such functions. What is Cloud Front Function Cloud Front distributions have to perform a…

Developing Resilient Microservices on the Clouds — “Everything fails all the time” The famous words of Werner Vogels, remind us again and again — never take things for granted. Every experienced IT professional has hurt herself at some time or other. All the experts across the globe have reminded us in many different ways. Everyone knows that error handling is absolutely important…

In a wonderful keynote presentation, Andy Jassy stressed over and over on the importance of reinventing yourself. Based on Gartner’s statistics, he pointed out that very few companies have ever stayed on top. And this is because they stop re-inventing themselves. Aptly said, “re-invent when you can — not when…

A web application often needs a central counter. We have several simple use-cases like the member id for a registration application. Or the amount collected on a sales application — there are many that we all have seen. We have to make sure the concurrent updates do not clash, and…

Any decent web application has to communicate with users on multiple levels. Simply displaying information is not enough, web apps should also be able to send emails, SMS messages, and more, to ensure good user engagement. The PHP Mailer is a full-featured email creation and transfer class for PHP. It…

LAMP (Linux, Apache, MySQL and PHP). This has been a winning combination for decades, and is widely used even today. These provide for all the required layers for a high performing full stack web application. …