In this recipe, we will be using exrm to assist us in the process of deploying applications and updating running systems without taking them down.
This is another key feature provided by Elixir: availability!
To get started, we need the application that we used in the previous recipe. You may find it under the
release_me folder in the code directory.
To deploy an application and update it while running, we will follow these steps:
mkdir -p tmp/elixir_app
> cp rel/release_me/release_me-0.0.1.tar.gz ...