I previously introduced some articles about Hazelcast - an open source in memory data grid solution. In the first of them JPA caching with Hazelcast, Hibernate and Spring Boot I described…
Hazelcast Hot Cache with Striim
Piotr's TechBlog
Java, Spring, Kotlin, microservices, Kubernetes, containers
Testing REST API with Hoverfly
Hoverfly is an open source API simulation tool for automated tests. It is written in Go, but also has native support for Java and can be run inside JUnit test.…
JavaEE MicroProfile with KumuluzEE
Preface Enterprise Java seems to be a step back from the others when it comes to microservices architecture. Some weeks ago I took a part in Code Europe - the…
Code Quality with SonarQube
Source code quality with SonarQube analysis is an essential part of the Continuous Integration process. Together with automated tests, it is the key element of delivering reliable software without any…
Microservices Configuration With Spring Cloud Config
Preface Although every microservice instance is an independent unit, we usually manage them from one central location. We are talking about watching the application logs (Kibana), metrics, and statistics (Zipkin,…
Custom metrics visualization with Grafana and InfluxDB
If you need a solution for querying and visualizing time series and metrics probably your first choice will be Grafana. Grafana is a visualization dashboard and it can collect data…
Serverless on AWS with DynamoDB, SNS and CloudWatch
In one of my previous posts Serverless on AWS Lambda I presented an example of creating REST API based on AWS Lambda functions. However, we should keep in mind that…
Monitoring Microservices With Spring Boot Admin
A few days ago I came across an article about Spring Boot Admin framework. It is a simple solution created to manage and monitor Spring Boot applications. It is based…
Serverless on AWS Lambda
Preface Serverless is now one of the hottest trend in IT world. A more accurate name for it is Function as a Service (FaaS). Have any of you ever tried…
Generating large PDF files using JasperReports
During the last 'Code Europe' conference in Warsaw appeared many topics related to microservices architecture. Several times I heard the conclusion that the best candidate for separation from the monolith…