Spring Boot is a popular framework that provides an easy way to create web applications. It offers a lot of features that make development easier and faster. One of these features is the ability to schedule tasks using the @Scheduled…
This blog post explains the process to Unit test and Integration test Spring Boot application with JUnit and Spring Testing library Unit Tests Typical Spring Boot application divided into 3 layers Repository layer Testing Let’s start with Repository layer. See…
This blog post shows multi stage Dockerfile that builds and deploys Angular app in Nginx container Dockerfile: The above Dockerfile has 2 stages Stage 1 – install NPM dependencies and builds Angular project Stage 2 – Builds docker image from dist directory…
I read some good things about OpenJ9 in their website and decided to give it a try. In my tests I found out OpenJ9 JVM is using almost half of the memory of Hot Spot JVM. Setup My Spring Boot application deployed…
This blog post explains the process to maintain cookies in React application using simple hooks from react-cookie-service library react-cookie-service is a simple react library with 5 hooks that helps to read, set, and delete cookies Usage Install the library using npm or yarn…
Authorization guards prevent unauthorized users from accessing the web page when they are not supposed to see it and redirect them to unauthorized page. First, define Routes as follows with React Router. It has 4 types of routes The system supports 3…
This blog post explains the process to configure the Docker service health checks using native docker service commands. Docker swarm is a container orchestration tool similar Kubernetes, OpenShift, ECS, EKS and it comes as part of Docker engine. Read more…
Kafka helps you to build fast, high throughput, fault tolerance, scalable microservices, and applications. Kafka Streams stores data in Kafka Clusters (Kafka State Stores) and gets data wicket fast. Technologies Used Overview This repository demonstrates CQRS Event Sourcing (Materialized views) with Kafka…
Overview Java multi-threading requests the Operating System to create and destroy threads. Using multiple threads to execute multiple tasks is an efficient way to use CPU and gives a real performance boost to the application. This blog post explains the…
This blog post explains the process to enable Angular Server Side Rendering(SSR) with Angular Universal and the process to deploy it in Docker container The source code of the application demonstrated in this post present in Github Setup Angular Application…