Programming Posts


A quick introduction to Prometheus. Metrics on Kubernetes with grok exporter - Part 1

21 Aug 2019  3 mins read.

Prometheus is one of the most popular open-source systems for monitoring and alerting. Very often it is used to collect data from microservices in Kubernetes. In this series you...

Single Node Kubernetes Cluster - Deploying Kubernetes Dashboard

14 Jul 2019  2 mins read.

In the previous post, we have prepared an environment for work and installed Kubernetes and Docker. Now, we will deploy Kubernetes Dashboard. Deploy Kubernetes Dashboard Kubern...

Single Node Kubernetes Cluster - Installing Docker and Kubernetes on Ubuntu Server

14 Jul 2019  4 mins read.

In the previous post, we have prepared an environment for work. Now we will be installing and configuring Docker and Kubernetes on our Ubuntu Server. Installing Docker and Kube...

Single Node Kubernetes Cluster - Installing Ubuntu Server on Windiws with Hyper-V

14 Jul 2019  3 mins read.

Today we will start playing with Kubernetes. We will start by installing Ubuntu 19.04 Server on the Hyper-V virtual machine. Next, we will create a single node Kubernetes cluste...

Spring Boot 2 + PostgreSQL + JWT + React - Full Stack Web Development - Part 4 Creating a frontend in React

24 Jun 2019  26 mins read.

In previous posts, we have created a fully working application in Spring Boot 2. Now it’s time to create a frontend that will communicate with our backend. If you have not read ...

Spring Boot 2 + PostgreSQL + JWT + React - Full Stack Web Development - Part 3 Spring Security with JWT

23 Jun 2019  16 mins read.

Our application already has a controller, thanks to which we can manage data using HTTP requests. However, we must set security so that only authorized persons can manage these ...