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Have you ever wanted to use Bundler’s internals in your codebase? Here is how how to start by creating your Gemfile.lock, locking the environment and reading back the locked dependencies.

gem-patch is a RubyGems plugin that helps you to patch gems. You can use it to apply security fixes or cherry-pick commits you want to apply to your .gem files. I use it to test whether the upstream commits containing vulnerability fixes apply cleanly on older gem releases so I can prepare fixed builds of those gems in Fedora. Here is how one can do that.

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.

You have probably heard about Vagrant coming to Fedora and might have heard about DevAssistant too. DevAssistant can make your development easier by setting up your project’s basic structure, installing needed dependencies or tools. But if you wanted to use Vagrant for your project as well, you needed to install and configure it separately. Until now.

What do you usually do when releasing a new version of gems? Running test suite? Something more? I like to use my tool on tracking changes in RubyGems gem-compare as it gives me a little bit more confidence on what am I actually releasing. Here’s how I do it.