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Fullstack Reactive Server Sent Events

Reactive programming is a programming paradigm aimed at maintaining overall coherence by propagating changes from a reactive source (modification of a variable, user input, etc.) to elements dependent on this source.

Reactive applications are more and more important today as they are:

  • Highly Available: the system must respond quickly no matter what,
  • Resilient: the system must always remain available, even in case of error or even if it is overloaded,
  • Message Oriented: the system uses asynchronous messages.

Which meets the requirements of today's users.

  • in Events
  • 3 min read

Test camp 2019: OctoPerf in Poland

For our first time in Poland, we decided to attend to TestCamp conference. TestCamp is an event-based in Wroclaw, Poland. Test Army is behind the organisation. This event was split in two days, the first one, we trained a few people on OctoPerf. The second one as exhibitor and speaker. More than 500 people attended on Saturday, which is quite an impressive number.

  • in DevOps
  • 16 min read

How To Deploy InfluxDB / Telegraf / Grafana on K8s?

This article follows our first blog post related to deployment on Kubernetes. It is a step-by-step guide explaining how to deploy the InfluxDb/Telegraf/Grafana stack.

More importantly we will se:

Here again we rely on declarative configuration of K8s to install the InfluxDB/Grafana stack. It's the easiest way to do since there are many configuration objects to create.

  • in DevOps
  • 13 min read

How To Deploy a Frontend on Kubernetes?

Kubernetes (commonly referred to as "K8s") is an open source system that aims to provide a platform for automating the deployment, scalability and implementation of application containers on server clusters. It works with a variety of container technologies, and is often used with Docker. It was originally designed by Google and then offered to the Cloud Native Computing Foundation.

This blog post belongs to a series that describe how to use Minikube, declarative configuration files and the kubectl command-line tool to deploy Docker micro-services on Kubernetes. It focuses on the installation of an Angular 8 frontend application served by an NGinx Ingress controller.

While being the most complex kind of Kubernetes object management, the declarative object configuration allows to apply and revert configuration updates. Also, configuration files can easily be shared or saved into a version control system like Git.

But before going to the configuration of our frontend and its proxy, let's see what is needed in order to follow this tutorial.