👋Hey there,I'm Dimitri

I like trying out new frameworks and writing about them. Below you can find the latest articles I wrote.

Writing dynamic queries with Spring Data JPA

September 3rd, 2019 | 7 min read | Hibernate, JPA, Spring, Spring Data

In one of my earlier tutorials, I’ve explored the basics about Spring Data JPA. While that tutorial shows what you have to do in most situations, in some cases you want to have more control over your queries rather than having a fairly static one.

Loading initial data with Spring

August 20th, 2019 | 7 min read | Java, JPA, Spring, Spring boot, Spring Data

I’ve been answering Spring related questions on Stack Overflow for the past three years now, and one of my most popular answers is about how to load initial data. While my solution over there works really fine, there are multiple solutions to this problem, and in this tutorial I’ll demonstrate which ones you have. This […]

Distributed tracing with Istio and Jaeger

August 6th, 2019 | 5 min read | Istio, Jaeger, kubernetes

So far, we’ve already explored some of the elements Istio provides, such as visualizing our service mesh with Kiali, and monitoring our application metrics with Prometheus and Grafana. In this tutorial, we’ll see how we can use Jaeger with Istio.

Collecting application metrics with Istio

July 23rd, 2019 | 3 min read | grafana, Istio, kubernetes, prometheus

In my earlier tutorials, I’ve explained how you can set up your own Prometheus and Grafana containers with Docker, and how you can configure them for Spring boot and nginx. A nice feature of Istio, is that it comes with Prometheus and Grafana out of the box. Additionally, they’re already set up to collect certain […]

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