2 comments on “Behavior-Driven Angular – Part 2: Inserting REST Data as „innerHTML“ into a Web Application”

Behavior-Driven Angular – Part 2: Inserting REST Data as „innerHTML“ into a Web Application

Today, we will extend the behavior-driven development example of the previous blog post and add the blog content to the document. Like last time, we will retrieve the HTML content from the WordPress API. Sounds easy, right? We will see that…

6 comments on “Behavior-Driven Angular – part 1: Consuming a RESTful Web Service with Angular 4”

Behavior-Driven Angular – part 1: Consuming a RESTful Web Service with Angular 4

In this step-by-step tutorial, we will follow a behavior-driven development approach to create an Angular 4 application from Angular CLI. The hello-world-like application will consume the WordPress REST API and it will display a blog post title. We will create…

0 comments on “How to set up Docker Monitoring via cAdvisor, InfluxDB and Grafana”

How to set up Docker Monitoring via cAdvisor, InfluxDB and Grafana

Have you ever tried to monitor a docker solution? In this blog post, we will discuss three open source docker monitoring alternatives, before we will go through a step by step guide of a docker monitoring alternative that consist of the components Google cAdvisor as…

3 comments on “LXD vs Docker — or: getting started with LXD Containers”

LXD vs Docker — or: getting started with LXD Containers

Container technology has existed long before the Docker hype around container technology has started after 2013. Now, with Docker containers having reached mainstream usage, you can easily get confused about available container types like Docker, LXC, LXD and CoreOS rocket. In this…

6 comments on “Getting started with OpenShift Container Platform”

Getting started with OpenShift Container Platform

In this blog post we will review the architecture of OpenShift before we will gain some hands-on experience with OpenShift Origin, which is the free version of the OpenShift Container Platform a.k.a. OpenShift Enterprise. Vagrant software will help us to automate the installation…

3 comments on “Docker Performance Tests for Ruby on Rails”

Docker Performance Tests for Ruby on Rails

In a series of performance tests, we could show that a (Rails) web application has 50% higher performance on docker (installed on Windows/boot2docker) than the same application run natively on Windows, no matter whether or not the database and program code is located on a shared volume. However, if such a shared volume is auto-mounted to one of the Windows C:\Users folders, the performance drops by a factor of almost ten.

3 comments on “Docker CoreOS Cluster Failover Test in less than 15 Minutes”

Docker CoreOS Cluster Failover Test in less than 15 Minutes

In this post, I will explore services failover scenarios for docker containers on CoreOS clusters using fleet. A container-based service will be defined and started, and we will explore the service recovery after a failure of one or all cluster nodes (e.g.…