Reactive Programming

Microservices and the Saga Pattern

Microservices have become a crucial part of any enterprise these days, no matter if it is a big or a small enterprise. When something this big is present in the market why not see some fundamentals of the same? So here we’ll go through the concepts like what is a microservice and Saga Patterns that an ideal microservice should have.

Use Case for Message-driven Reactive Systems

The Case for Message-driven Reactive Systems.

Performance: C++ vs Rust

Reasons and facts behind Rust being more faster and safer than C++

CAP Theorem for the distributed systems

A few days back I completed the certification for the 1st course of the Lightbend Reactive Architecture Advanced i.e. Building Scalable Systems. I found this course very helpful and informative to get the idea of Reactive architecture. So if you have not started yet, please go there and lets become reactive. There are few foundational courses as well to build the foundation of reactive architecture. Continue Reading

A Beginner’s Guide to Deploying a Lagom Microservice on Kubernetes

Both Lagom and Kubernetes are gaining popularity quite fast. Lagom is an open source framework for building reactive microservice systems in Java/Scala. And, Kubernetes (or K8s in short) is an open-source system for automating deployment, scaling, and management of containerized applications. Together they make an excellent stack for developing Reactive microservices of production grade. We have already seen a lot of blogs on Lagom on this Continue Reading

Still with Spring? 9 reasons to Akka

As a niche consulting and development organization we end up in a lot of enterprises who would like to modernize, would like to build web-scale products but they are not ready to look beyond Spring. It is a strongly debated topic and there are reasons for still going the Spring way but the reasons are less and less as we go ahead. For starters, this Continue Reading

Trying to use form field and file upload directive together in Akka-Http?

If you are reading this then probably you have encountered the issue that comes while accessing fields with uploading a file, and if not then let me first tell you what’s the situation that I’m talking about here, Let’s see the code where we try to use fileUpload directive and formFields together

You had me at Microservices! oh no

“Microservices” the way it stands is beginning to become a must-have word for a lot of enterprises. It is being touted as the main component if you are leading a digital transformation journey. System integrators are having a field day calling themselves microservices experts. End of the day 90% of the implementations are going to fail. Why? Because microservices by themselves are not the silver bullet. Definitely, Continue Reading

DynamoDB Core Components

Amazon DynamoDB: Core Components

  DynamoDB is a part of Amazon Web Services. It is a NoSQL database, which supports key-value and document data structures. In this blog, we will be discussing Core components of DynamoDb. Features of DynamoDb: It is a fully managed NoSQL database. It can store & retrieve any amount of data, and can serve any amount of traffic. To maintain fast performance, it distributes data Continue Reading

Mocking Methods for Testing Akka Http Routes

Hey folks, in this blog I am going to explain how to write unit test cases for the routes in Akka Http. First and foremost the test cases should not hit our backend logic, remember that we are only testing our routes, routes basically form the controller layer in our application. They control the request/response cycle. They tell that which business logic should respond to Continue Reading

Custom ErrorHandlers and Lagom

Hello everyone, it’s been quite a while now since I started working on Lagom(java) and it was only recently when I came across a scenario wherein I was required to override the ErrorHandler provided by Play in my Lagom microservice. As you all already know that Lagom is built on top of Play and Akka, so there will be times when we’ll be required to Continue Reading

Authentication in Akka-Http

Hi All, In this blog, I will try to explain what is Authentication and why we need this and how you can do authentication in Akka HTTP What is Authentication:- Authentication is the process of establishing a known identity for the user, whereby ‘identity’ is defined in the context of the application. This may be done with a username/password combination, a cookie, a pre-defined IP or Continue Reading

Manipulating Server returned dates at client Side in Angular

Hey Visitor, Have you ever faced an issue with the date values on your website, when the date and time returned from server doesn’t change according to the client timezone , for eg. values returned from server at US will be different for a client at India so we need to manipulate the received time according to Indian Time Zone. So recently, I encountered this Continue Reading

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