Configuration and Deployment article examples: rel/config.ex

rel_config.exs

use Mix.Releases.Config,
  # This sets the default release built by `mix release`
  default_release: :default,
  # This sets the default environment used by `mix release`
  default_environment: :default

environment :default do
  # Copy files into release instead of creating symlink for them
  set dev_mode: false
  # Do not include ERTS
  set include_erts: false
  # Do not include source code
  set include_src: false
  # Set the Erlang distribution cookie
  set cookie: :"this_is_a_secret"
end

release :myapp do
  set version: current_version(:myapp_api)
  set applications: [
    # shutdown the node if the application crashes permanently
    myapp_api: :permanent 
  ]
end