A quick fix for an annoying (and not very descriptive) error Browsing context has been discarded when setting up Ruby on Rails system tests with Firefox headless.
Deploying with Dokku and in need to run some basic setup tasks such as copying
config/database.yml in Rails? It’s possible with Dokku 0.5.0 and
Build your Ruby application’s Docker image in just one line of code without writing any Dockerfile! You only need source-to-image tool (s2i, formally sti) and Docker. Continue reading
When you run Vagrant with Docker provider you find out that you need to prepend every command with
sudo since that’s what would you do with running Docker commands directly. But chances are you don’t want to do that. In that case it’s enough to make calls to Docker commands password-less. Vagrant would then be able to use Docker without password prompts as well. To do so you just need add yourself to
docker group. Here is how to do it on Fedora 22. Continue reading
Kubernetes is a Container Cluster Manager from Google which basically means that Kubernetes is an orchestration of many services running on plenty of Docker containers. Google actually supports a several ways how to run Kubernetes and luckily Vagrant is one of them. Continue reading