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Getting Started with Vault

API's, Other, Scala, software, Tutorial, Web, Web Application, , , , , , , , , , , , ,

Reading Time: 3 minutes HashiCorp Vault is a secret management tool which provides a secure and reliable way to store secrets like passwords, access token, secret API key etc.

There are applications that need to interact with third party services and for that it needs various credentials. There are scenarios in which we need different credentials to process different requests. So, where will you store them? Can you really hard-code them and publish them to your sub-versioning tool? Ofcourse not. This is not a recommendable approach.

Getting started with Svelte

JavaScript, User Interface (UI), Web Application

Reading Time: 2 minutes Svelte is a lightweight modern JavaScript library (4.57KB minified) intended for use on projects where legacy browser support is not necessary. It uses modern JavaScript (querySelectorAll, classList, matchesSelector) to help make it as lightweight as possible and therefore only works on the latest version of modern browsers E.g. Chrome, Firefox, Opera, IE10+. Svelte is used to develop cybernetically enhanced web apps. Why Svelte? Svelte is Continue Reading

Spring-Webflux: Testing your Router Functions with WebTestClient

API's, Functional Programming, Java, Quality Assessment (QA), Reactive Application, Reactive Programming, Testing, Web Application

Reading Time: 3 minutes I recently started working on the functional approach of Spring Boot Webflux. You can explore it more on my previous blog on Spring Boot Webflux. It is a new concept and you may not find many useful blogs on it unlike for annotation based controllers. However, going with some trial and error, I have come out with how one can test its router functions along Continue Reading

Spring: Reactive programming in Java

API's, Java, Microservices, Reactive Application, Reactive Programming, Web Application, Web Services

Reading Time: 3 minutes Reactive programming is a programming paradigm that promotes an asynchronous, non-blocking, event-driven approach to data processing. Reactive programming involves modeling data and events as observable data streams and implementing data processing routines to react to the changes in those streams. In the reactive style of programming, we make a request for the resource and start performing other things. When the data is available, we get Continue Reading

Integrating Lagom Service Discovery with Kubernetes

Akka, cluster, DevOps, Docker, Java, Lagom, Microservices, Reactive Application, Reactive Programming, Scala, Web, Web Application, Web Services

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

API Design Best Practices

API's, Architecture, Mobile Development, Scala, Web, Web Application, , ,

Reading Time: 6 minutes Ever wondered if we have anything like best practices for designing our APIs, if not just give it a quick thought something will pop up, and if it was a yes let’s talk about it in detail. Yes, you heard me right, today we are going to talk about best practices for designing APIs which will help the developer to increase his/her productivity and success Continue Reading

Monitor a Kafka stream application with Graphite-Grafana using JMX metrics

Apache Kafka, Architecture, Big Data and Fast Data, cluster, DCOS, DevOps, Docker, Java, Messages, Microservices, Non-Blocking, Reactive Programming, Scala, Web

Reading Time: 5 minutes A few days back, we got the requirement that we need to monitor a Kafka stream application using JMX metrics. We looked for the solution and reached to the conclusion which we will discuss in this blog. I will try to explain each and every component of the solution along with the setup and the integration part of the whole system. Proposed solution: Service (application) exposes Continue Reading

DOM Manipulation Using D3.js

Angular, Angular 6, Angular Material, AngularJS, AngularJs2.0, D3.js, HTML, JavaScript, Node.js, Web Application, , , , ,

Reading Time: 4 minutes D3 (Data-Driven Documents or D3.js) is a JavaScript library for visualizing data using web standards. It is an open-source JavaScript library developed by Mike Bostock to create custom interactive data visualizations in the web browser using SVG, HTML, and CSS. giving you the full capabilities of modern browsers and the freedom to design the right visual interface for your data.

Introduction To Katalon Studio

Java, Testing, Web

Reading Time: 5 minutes Once a wise man said, “A product that cannot be tested is flawed”.It also applicable in software development as well, Let me re-figure it – “A software that cannot be tested is flawed”. The testing of software acts as an important role in every software development approach, it improves the quality and value of the software against the client. In an era of automation, I’m introducing Continue Reading

Custom ErrorHandlers and Lagom

Java, Microservices, Play Framework, Reactive Application, Scala, Web Services, , , , , , ,

Reading Time: 3 minutes 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

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