Data can be stored in many ways, Flat-file databases are generally plain text files that can be used by local applications to store data. Flat files are not as popular as databases. Database are related tables , documents , node of information. The three main advantages that databases have over…

In this article series will talk about data & information section from the last article. What is database? What are database types? Why database? How to choice database ? What is a Database? A database is an organized collection of structured information, or data, typically stored electronically in a computer system. A database is…

In this article i will discuss basic item of data information knowledge wisdom model illustrates this hierarchy. Structured as a pyramid, the model was created to show that data can be captured in different formats, analyzed and converted into different forms. …

In the previous article i have explained what is DDD and why we need to use it DDD. In this article i will explain how to apply DDD strategic Design for eCommerce domain. Basically, a Domain is the business itself. It is what your company does and, consequently, it is…

Before explain what is DDD let’s state some facts: What is a domain? The field for which a system is built. Airport management, insurance sales, coffee shops, orbital flight, you name it. It’s not unusual for an application to span several different domains. For example, an online retail system might be working in the…

Architecture is the science of designing buildings and other physical structures and environments. But what happens when we apply it to a technology where there are no physical structures to work with? Let’s start with an insight into the powerful and fascinating world of designing and building environments in the…

As mentioned in previous article i did explain why we need to have Centralized Configuration in our modern architecture. Spring Cloud Config Architecture After explaining why it’s needed, it’s time to look over how the config server architecture works. Here is the simple diagram of the config server architecture.

In this article, we will explore the concept of centralized configuration in the context of microservices. also we will explore different options to implement this concept. Why do we need such a centralized configuration management ? In the microservices world, basically, each bounded context is implemented as separate microservices and scaled independently one from others. Briefly, that means numerous services…

One of the hardest things to do in software development is to determine how long and how much it will take to deliver a new software product. Should it be so hard? The answer is not straightforward. Software costs estimation is inherently difficult, and humans are terribly bad at predicting…