In a previous post, How To Understand CQRS In Microservices Architecture, a CQRS ( Command Query Responsibility Segregation) pattern was reviewed. As it was said, the CQRS pattern can be used in complex systems to separate read and write operations. …

In a previous post, How To Implement Asynchronous Interactions Between Microservices, a general idea behind microservices communications via message brokers was discussed. In this article, a specific pattern of microservices architecture, CQRS ( Command Query Responsibility Segregation), will be reviewed. Problem Statement In typical software applications, there is a data store that…

In a previous post, How To Implement Synchronous Interactions Between Microservices, the synchronous interactions (HTTP/HTTPS) were reviewed. As you can see, there can be issues with such applications that should be addressed. For instance, how the application should behave if some service does not work as expected. What if services…

In a previous post, How To Understand Microservices Architecture, the advantages and disadvantages of Microservices Architecture were reviewed. The interactions between services can be a challenge in the applications built with this kind of architecture. There are different ways to achieve this interaction. …

In a previous post, How To Understand Monolithic Architecture, the advantages and disadvantages of Monolithic Architecture were reviewed. It is clear, that the problems with this kind of architecture appear with the growth of the application. To overcome these challenges, Microservices Architecture can be used. However, it is not a…

Monolithic Architecture is a traditional way of building applications. This software architecture principle has both advantages and disadvantages. On the one hand, it can bring delight. On the other hand, it can cause disappointment. Let’s review its place in software architecture. Monolithic Architecture Review

In a How To Analyze Java Application With SonarQube post, SonarQube was presented as a major tool for static code analysis. In this post, CI/CD pipeline example will be reviewed. There are a lot of CI/CD tools. Some of the examples are Jenkins, CircleCI, TeamCity, etc. Each of them can…

In a How To Check Java Test Coverage With Jacoco post, Jacoco was introduced as a test coverage monitoring tool. In this post, Java SonarQube will be used to apply thousands of automated Static Code Analysis Rules to detect possible problems and technical debt in your code. Quality gates will…

In a How To Check Java Source Code With PMD post, PMD was introduced as an option to check the Java source code based on common programming flaws. The next step is to validate the build in accordance with Java Test Coverage. For this purpose, Java Jacoco can be used…