How to unit test.. a server with goss
I’ve been looking through the latest Technology Radar issue and here’s what I found in its new Techniques section: “TDD’ing containers”. Wow. Mentally, I’m not yet ready to …
Tag: Docker
Autoscaling build servers with Gitlab CI
I’ve been using Gitlab CI for a while now and until certain point it worked really well. We had three build servers (GitLab runners) in the beginning, …
Easy continuous integration and deployment with GitLab CI
Last month we finally finished migration from our previous CI/CD system to GitLab CE and that’s something that makes me extremely happy. It’s just so much …
Move existing WordPress site into Docker
I’ve been running two WordPress blogs for some time and my biggest regret is that they are not running in Docker containers. If I did …
Using private registry in Docker Swarm
In one of my previous posts about Docker health checks closer to the end of the post I managed to build a Dockerfile and run it …
What exactly is Kubernetes
Kubernetes (or K8s) is another tool for orchestrating containerized apps in a cluster. It’s job is to find the right place for a container, fulfill its desired …
Docker health checks
Somehow I missed the news that starting from version 1.12 Docker containers support health checks. Such checks don’t just test if container itself is running, but …
docker-compose for Swarm: docker stack
Imagine you configured your new shiny Docker cluster and now ready to fill it with dockerized applications. How exactly are you going to do that? Not …
Quick intro to Docker Swarm mode
Docker is cool. It is a great tool to pack your application into set of containers, throw them into the host and they’ll just work. However, …
Persistent data in Docker volumes
As Docker containers supposed to be small, single process and easy replaceable instances, it’s not particularly clear how persistent data fits into that picture. Imagine you have …