Monitoring Spring boot applications with Prometheus and Grafana

Monitoring is an essential aspect to the maintainability of applications, it’s no surprise that there are many platforms out there that allow you to properly monitor your applications. Usually, monitoring platforms work by using a time series database, which is a database optimised for time-based information, such as application metrics. Then on the other hand […]

Using the Netflix stack with Spring boot: Zuul

You might have heard of the term cross-cutting concerns in the past. If not, cross-cutting concerns are concerns that apply to all layers of the application. Examples of these concerns are logging, monitoring, security, … . If you think about it, some cross-cutting concerns also apply to microservices. Perhaps you want to monitor how long […]

Securing Spring boot applications with JWT

As soon as you write your first web application with Spring, you probably want to secure it. Spring has a project called Spring Security that does most of the generic stuff for you. Just plug in a service that provides the user details (from a database, LDAP, …) and configure the endpoints and you’re ready […]

Getting started with Spring boot 2.0

A few weeks back, I went to Devoxx, an annual Java conference located in Belgium. One of the few hypes there was Spring framework 5 and the upcoming release of Spring boot 2.0. With this tutorial I’ll show you how you can get started Spring boot 2.0.

Configuration as a microservice

In my last few tutorials, I’ve covered some aspects that are really important with microservice, such as a discovery service like Eureka and a circuit breaker like Hystrix. Another thing that might be useful when working with microservices is to provide your application configuration as a microservice as well.

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Showing a loader with Angular 2

We’ve already done quite a lot to get a working pokédex with Angular 2. However, there are still two things that bother me: If the API request takes a while, the user wont notice it. The page will just be blank When we open the application, we get a simple “Loading…” message

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Animating with Angular 2

We’re getting pretty far already with our Pokédex. We’ve already implemented a service with the Pokéapi, an overview and a part of the detail page. The next thing I’m going to look at is how to animate stuff with Angular 2. If you’re just like me and enjoyed the good ol’ days with AngularJS 1.x, […]

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Implementing your own pipes with Angular 2

Now that we’ve set up a project with Angular 2, with a service to fetch data from our REST API and some components and routing to show an overview of pokémons, it’s time to show some more detailed data. The component I’m going to be working on will be using the PokemonAbilityInfo object, which contains […]