Extending your Rails app with some Go, Scala, Elixir or node.js sound interesting to you? The first challenge to get there is to safely share the session between your apps. Crypto is hard… but that won't prevent us from looking into how Rails sessions work and how to share them across programming languages.
Docker is an open source project to distribute and run applications by using Linux containers. You will learn how to use Docker by example and I'm going to show you how you can effectively transform an application contained in GIT repository into a runnable container that can then be shared and distributed to other developers.