Lagom

RAP: Let’s discuss the architecture and technical details

Reading Time: 4 minutes In the previous blog, we discussed the journey and the features of RAP. In this blog, we will discuss the architecture and technical details. RAP Architecture: We have tried to follow the Domain-Driven Design and Reactive principles in designing RAP architecture. All RAP team members completed all the Reactive Architecture courses launched by Lightbend on cognitive classes to ensure adherence to reactive principles. These courses Continue Reading

RAP: The journey from a learning project to a useful product

Reading Time: 4 minutes A few months back, I was working on interesting customer engagement. Lagom was getting popularity, therefore, I and my few team members wanted to explore it to see if it would suit our needs. Just reading its documentation was not enough to get the proper practical hands-on. So we thought to do a project. The idea was that we should not build a dummy project, Continue Reading

Integrating Lagom Service Discovery with Kubernetes

Reading Time: 3 minutes Consider a situation where a microservice is deployed on multiple pods and on condition one pod got restarted with any of the failure reason makes unreachable and at the same time interdependent services are registers its IP for communication. Now, since other pods of the service are alive but not able to communicate makes the communication failure as well as making the failure of every Continue Reading

Lagom Message Broker API Testing

Reading Time: 3 minutes Many of us have been working with Lagom, so I will skip telling about Lagom. Let’s just quickly go through the  important APIs that Lagom provides: Service API Message Broker API Pesistence API In this blog, we will see how we can test the Message Broker API provided by Lagom. But before doing that let’s just briefly see what this API provides! Lagom’s Message Broker Continue Reading

New changes in Lagom 1.5 !!!

Reading Time: 2 minutes In this blog, we will discuss the latest changes in the lagom v1.5. TLS Support Now framework provides/supports self-signed certificates for the both environment(dev & test). When we want to use it HTTP for the development we can enable it via: When we want to use TLS server for the test server, we can enable it via: Akka Management Earlier Akka management uses dedicated HTTP Continue Reading

Lagom Persistence API with Couchbase

Reading Time: 4 minutes In this blog, I will talk about using Couchbase with Lagom’s Persistent Entity API. And then we will see how we can query for fetching the data. We already know that Lagom handles data persistence with ‘Persistent Entity’ which holds the state of individual entities. And to interact with them one must know the identifier of the entity. So Lagom provides the support to build Continue Reading

Lagom Zero Hour: CQRS Concepts

Reading Time: 4 minutes In this blog, we will discuss CQRS and how it is different from old approaches. CQRS stands for Command Query Responsibility Segregation. The approach that individuals use for interacting with a data system is to treat it as a CRUD datastore. By this, I mean that we have a mental model of some record structure. We think about producing new records, scanning records, updating existing records, Continue Reading

The yarn of Lagom: Bye-bye Monoliths!

Reading Time: 4 minutes The Microservice architecture is in an uproar, in the industry and the business domain. The Microservice architecture tackles the drawbacks associated with the Monolithic architecture. The Lagom framework is a front-runner in the development of modern enterprise applications. This blog is the first in a multi-part series on The Lagom framework. In this blog, I’d take you through the following topics: Why Microservices and not Continue Reading

Microservices and the Saga Pattern

Reading Time: 10 minutes 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.

CQRS and Event Sourcing

Reading Time: 3 minutes People often get confused in Event Sourcing and CQRS(Command Query Responsibility Segregation) thinking that both are same. But they are different techniques which can be combined together to create more resilient and elastic applications.
In this blog, we will discuss the difference between CQRS and Event sourcing and how they can be combined.

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

Reading Time: 4 minutes 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

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