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Dockerising your legacy integration tests

As most of you will know, every now and then you can expect the question ‘Can you help fix something on this ancient project?’ According to the Universal Software Ageing table, that means anything from last month to much, much older. I got such a question recently, being in-between projects, and this project fell squarely into […]

Smart energy consumption insights with Elasticsearch and Machine Learning

Smart energy consumption insights with Elasticsearch and Machine Learning

At home we have a Youless device which can be used to measure energy consumption. You have to mount it to your energy meter so it can monitor energy consumption. The device then provides energy consumption data via a RESTful api. We can use this api to index energy consumption data into Elasticsearch every minute […]

Docker From A Distance – The Remote API

Docker From A Distance – The Remote API

Many people use docker from the command line to build images, run containers and manage Docker on their machine. However, you can also run the same Docker commands via its remote REST API. In this blog I will guide you through Docker’s remote API using curl while pointing out a few details and tools that […]

Using Docker to efficiently create multiple tomcat instances

Using Docker to efficiently create multiple tomcat instances

In my previous blog article I gave a short introduction into Docker (“an open-source engine that automates the deployment of any application as a lightweight, portable, self-sufficient container that will run virtually anywhere”). In this article we’ll check out how to create an image for Tomcat 7 and the Java 7 JDK as dependency. So, let’s […]

Next step in virtualization: Docker, lightweight containers

Next step in virtualization: Docker, lightweight containers

Lately, I have been experimenting with Docker, a new open source technology based on Linux containers (LXC). Docker is most easily compared to Virtual Machines (VMs). Both technologies allow you to create multiple distinct virtual environments which can be run on the same physical machine (host). Docker also shares characteristics with configuration management tools like […]