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lib/maru.ex

require Logger
defmodule Maru do
use Application
@version Mix.Project.config[:version]
def version do
@version
end
@default_http_port 4000
@default_https_port 4040
def start(_type, _args) do
Application.ensure_all_started :plug
for {module, options} <- Maru.Config.servers do
if Keyword.has_key? options, :http do
opts = options[:http] |> Keyword.merge [port: to_port(options[:http][:port]) || @default_http_port]
Plug.Adapters.Cowboy.http module, [], opts
Logger.info "Running #{module} with Cowboy on http://127.0.0.1:#{opts[:port]}"
end
if Keyword.has_key? options, :https do
opts = options[:https] |> Keyword.merge [port: to_port(options[:https][:port]) || @default_https_port]
Plug.Adapters.Cowboy.https module, [], opts
Logger.info "Running #{module} with Cowboy on https://127.0.0.1:#{opts[:port]}"
end
end
{:ok, self}
end
defp to_port(nil), do: nil
defp to_port(port) when is_integer(port), do: port
defp to_port(port) when is_binary(port), do: port |> String.to_integer
defp to_port({:system, env_var}), do: System.get_env(env_var) |> to_port
end