Netflix Conductor is a open source orchestration tool from Netflix to orchestrate workflows that spans across microservices. While I have used Airflow as well, Netflix conductor has many features: Significantly fast and lightweight than Airflow Its distributed architecture like Airflow, but provides client libraries in many languages for workers to…

From Spring documentation — Spring Integration enables lightweight messaging within Spring-based applications and supports integration with external systems via declarative adapters. Those adapters provide a higher-level of abstraction over Spring’s support for remoting, messaging, and scheduling. …

Many modern application architectures are now cloud based and even though being could native doesn’t mean microservices architecture, still designing an application based on microservices has many advantages. To reduce complexity one tries to divide whole application into smaller pieces, but then managing so many of them causes more fatigue. …

This new age requires all development to be test driven and Cucumber is a great tool to support behavioral driven development. It also creates documentation automatically and easily shareable. Cucumber bridges the gap between business and technical users. Users can write test cases in plain English and the implementation can…

Lately we were presented with a requirement on our rules engine app that all the rules should be driven from a database. What basically it meant was we shouldn’t be deploying when there is any changes to the values used to determine rules. …

Drools documentation has good examples on what Agenda-Group and Activation-Group are and this post is to demonstrate exactly that. I’ll take example from drools documentation first to go over the concepts and then we’ll go over the demonstration Salience — https://docs.jboss.org/drools/release/7.1.0.Final/drools-docs/html_single/#_salience Salience decide the priority of a rule. Higher the…

part-2 link— https://paras301.medium.com/working-with-drools-using-excel-sheet-decision-table-part-2-52936db848fb This part I’ll use Springboot to further improve the performance of drools StatelessKieSession. If you go to the last part, the problem was that we were creating drools StatelessKieSession on each request. …

part-1 link: https://paras301.medium.com/working-with-drools-using-excel-sheet-supplied-from-outside-project-part-1-8be30afc8180 In the part-1 of the story, we execute drools from a decision table spreadsheet supplied from outside the project during runtime. This resulted in compilation of the sheet on each request. This has its own pros and cons. …

Springboot apps provide readily available security framework which can be implemented in many ways. Here I am implementing the in-memory basic authentication. …