docker

How Docker Containers Work Under the Hood: Namespaces and Cgroups

Introduction Docker is a tool that revolutionized modern software development, solving numerous issues such as “dependency hell,” portability, and more. You just need to put…

Selenium Grid 4 with Docker

Introduction When talking about automation testing, one of the first things that comes to mind is Selenium. Selenium is a free, open-source automated testing framework…

Remote VS Code debugging of Typescript NodeJS app deployed in Kubernetes

Today's apps are usually deployed as Docker containers on remote machines and, as such, can be a bit challenging to develop and debug. In order…

Dockerize your tests and test environment (Part 2)

This article assumes that you have already read ‘Dockerize your tests and test environment (Part 1)’,  which presents our initial problems (more…)

Dockerize your tests and test environment (Part 1)

If you are working as a software test engineer, then you are very well aware of the struggles in test automation when it comes to testing against various different browsers, installing test environments from scratch, incompatibilities between selenium, browser drivers, browser versions, etc. It is hard to replicate testing environments, install them from scratch, remember browsers dependencies etc.

Using Puppet to build Docker images

One of Docker's most enticing features is rapid application deployment, meaning that once we generate a Docker image, it contains the application itself and all…