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step_flow

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Step flow manager for Elixir applications

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step_flow lib step_flow endpoint.ex
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lib/step_flow/endpoint.ex 

defmodule StepFlow.Endpoint do

  use Phoenix.Endpoint, otp_app: :step_flow



  # Serve at "/" the static files from "priv/static" directory.

  #

  # You should set gzip to true if you are running phoenix.digest

  # when deploying your static files in production.

  plug(

    Plug.Static,

    at: "/",

    from: :step_flow,

    gzip: false,

    only: ~w(favicon.ico robots.txt bundles)

  )



  # Code reloading can be explicitly enabled under the

  # :code_reloader configuration of your endpoint.

  if code_reloading? do

    socket("/phoenix/live_reload/socket", Phoenix.LiveReloader.Socket)

    plug(Phoenix.LiveReloader)

    plug(Phoenix.CodeReloader)

  end



  plug(Plug.RequestId)

  plug(Plug.Logger)



  plug(

    Plug.Parsers,

    parsers: [:urlencoded, :multipart, :json],

    pass: ["*/*"],

    json_decoder: Jason

  )



  plug(Plug.MethodOverride)

  plug(Plug.Head)



  # The session will be stored in the cookie and signed,

  # this means its contents can be read but not tampered with.

  # Set :encryption_salt if you would also like to encrypt it.

  plug(

    Plug.Session,

    store: :cookie,

    key: "_step_flow_key",

    signing_salt: "ESY1df/U"

  )



  plug(StepFlow.Router)



  @doc """

  Callback invoked for dynamically configuring the endpoint.



  It receives the endpoint configuration and checks if

  configuration should be loaded from the system environment.

  """

  def init(_key, config) do

    if config[:load_from_system_env] do

      port = System.get_env("PORT") || raise "expected the PORT environment variable to be set"



      hostname =

        System.get_env("HOSTNAME") || raise "expected the HOSTNAME environment variable to be set"



      config =

        config

        |> Keyword.put(:http, [:inet6, port: port])

        |> Keyword.put(:url, host: hostname, port: port)



      {:ok, config}

    else

      {:ok, config}

    end

  end

end