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…
Keycloak is one of the widely used Open Source Identity and Access Management application. This article demonstrates usage of Keycloak as authentication server with Angular, Spring Boot and Spring Security. As usual, code uploaded to Github repository Technologies: Prerequisites: Setup: 3. Go…
Elasticsearch, Fluentd, and Kibana (EFK) stack is one of the popular and recommended for centralized logging in OpenShift Origin (OKD) cluster. It is similar to ELK Stack but uses Fluentd instead of logstash. This blog post explains the process to use Fluentd to collect,…
This blog post explains the JSON web token(JWT) authentication using Spring Security, Spring Boot, Spring Data and Angular. Source code uploaded to Github repository Introduction JSON Web Token (JWT) is an open standard (RFC 7519) that defines a compact and self-contained…
This blog explains the process to implement Hibernate 2nd level cache with HazelCast, Spring Boot and Spring Data JPA. Source code and config files are uploaded to Github Technologies Start HazelCast instance HazelCast instances are setup as Docker containers using the…
OAuth 2.0 is the industry-standard protocol for authorization. OAuth 2.0 focuses on client developer simplicity while providing specific authorization flows for web applications, desktop applications, mobile phones, and living room devices. This blog post explains the implementation of OAuth2 authentication with…
This article explains HashiCorp Vault setup and usage with Spring Cloud and Spring Boot. Vault supports multiple authentication methods, in this article we will discuss 2 of those methods Update: Starting with Spring Boot 2.4.x, spring boot changed the way config…
Continuous Integration and Continuous Delivery (CICD) with Jenkins makes application delivery process easy and efficient without much manual effort. This blog post explains Spring Boot application deployment on Open Shift cluster (present on AWS) using Jenkins CICD pipeline. It has…
Both SonarQube and POSTGRES database should be same network in order communicate with each other. First create docker network using the following commands Create docker network Delete existing docker network and create new docker network sonarqube Run PostGres DB container…