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Using WebSockets with Angular
In my previous tutorial, I’ve set up a Spring boot application that allows WebSocket communication rather than serving a traditional REST API. Today, we’re going to find out how to communicate to that...
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Containerizing your Spring boot application with Docker
About two years ago, I wrote a blogpost about containerizing your Spring boot application with Docker. However, some things have changed, and within this tutorial I’ll give you a more up-to-date take...
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Monitoring with Micrometer, 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,...
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Starting a web project with Webpack and Babel
When starting a new web project, you often use some libraries. Nowadays, these libraries usually come with tools to scaffold your project. However, in certain cases you don’t want to rely on these...
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Containerizing your static web project
Last time, we’ve seen how we can set up a simple web project using Babel and Webpack. More precisely, we’ve seen how we can both run and build the application.In this article, we’ll see how we can...
View ArticleTesting your REST controllers and clients with Spring
That Spring allows you to easily develop REST APIs, is probably something we all know by now. With MockMvc and MockRestServiceServer, the same can be said to testing those REST APIs and clients. If...
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Monitoring nginx with Prometheus and Grafana
A while ago, I wrote a tutorial about deploying your static web project on nginx using Docker. Today, we’ll go a bit further, and see how we can monitor what’s happening on nginx, by using Prometheus...
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Loading content within a sidebar using Angular routing
A few years ago, I explored the capabilities of the router framework within Angular. One of the aspects I didn’t cover are named router outlets. These outlets are very interesting when it comes to...
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Setting up Minikube and Istio on macOS
Recently, I’ve been writing some tutorials about creating cloud native applications with Spring boot. So far, we’ve already covered how to create a Docker image of your Spring boot application. In the...
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Running your Spring boot application on Kubernetes
A few weeks ago, I’ve covered how you can properly create Docker images for your Spring boot application. Last time, we’ve also seen how to set up Kubernetes locally with Minikube. Now, it’s time to...
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Creating a servicegraph with Kiali and Istio
Last time, we’ve set up Minikube with Istio, and we’ve deployed our application using Kubernetes. Today, we’ll see how we can use Kiali with Istio to visualise our service dependencies. Enabling...
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Reactive relational databases with R2DBC and Spring
In the past, we’ve covered how to use reactive programming with Project Reactor and Spring. Around that time, I mentioned that the support for databases was limited due to the amount of blocking JDBC...
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Reactive streams over the network with RSocket
RSocket is a protocol that allows you to reactively stream data over the network. One of the benefits of RSocket is that the header of the frame itself is being sent in binary. This reduces the overal...
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Collecting application metrics with Istio
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...
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Distributed tracing with Istio and Jaeger
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...
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