July 3, 2018

How to Clear your Docker Certified Associate Exam

Hi! In this post, I will try to describe what is Docker Certified Associate Exam (DCA) is all about, why it is a good idea to learn Docker through it, and how can you prepare yourself for this exam. At the end of the post, you can find some useful resources that will help you during the preparations. So, let’s get started. What is DCA According to the official website: Read more

June 28, 2018

Using Ingress Controller in Kubernetes (part II)

This is the second part in the Kubernetes Ingress series. Please refer to the first one for the basic setup and the info about Ingresses in Kubernetes. Today we’re going to talk about Multiple Services and how to handle HTTPS traffic with Ingress. Let’s start with Multiple Services: Multiple Services Let’s create a second app, it’s basically the same NodeJS code but with a slightly different output: const http = require('http'); const os = require('os'); console. Read more

June 26, 2018

Do Golang Web Apps Dream of Docker Images?

Hello there! In my last blog post, I used a simple NodeJS application for testing Kuberentes Ingress. I was thinking that it can be useful to write a similar app in another backend programming language. As you can see from the title of this post I chose Golang, mostly because I really like its syntax. I’m going to deploy the app with docker, so this blog post will be useful for those of you who were wondering how to deploy a Golang web app with Docker. Read more

June 23, 2018

Using Ingress Controller in Kubernetes (part I)

Recently, I played a bit with Kubernete Ingresses. I found some “underwater stones” on my path, so I was thinking that it’s a good idea to share my experience with the community through this blog post. So, today let’s talk about Ingresses. Ingress - the action or fact of going in or entering; the capacity or right of the entrance. Synonyms: entry, entrance, access, means of entry, admittance, admission; Read more

June 18, 2018

Hygiene of Docker Images

As you probably know, 17 malicious Docker container images have been deleted from Docker Hub. The images, downloaded over 5 million times, helped crooks mine Monero worth over $90,000 at today’s exchange rate. I wanted to share my thoughts and examples of how you can secure yourself and your infrastructure from the mining of cryptocurrency for some folks over there. First, the obvious one Never-ever-ever download and run the unknown Docker Image from the internet. Read more

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