# lib/your_app_web/registry.ex

defmodule YourAppWeb.Registry do
  use Substrate.Registry, prefix: "/api"
end


# lib/your_app_web/router.ex

defmodule YourAppWeb.Router do
  use Phoenix.Router
  require Substrate

  Substrate.collect_all do
    entry(YourAppWeb.UserController, :list_users)
    entry(YourAppWeb.UserController, :get_users)
  end
end


# lib/your_app_web/controllers/users_controller.ex

defmodule YourAppWeb.UserListController do
  use Phoenix.Controller
  use YourAppWeb.Registry,
    path: "/users",
    pethod: :get

  def list_users(conn, _path_args_, _validated_params_, _request_body) do
    conn
    |> json(%{
      data: [%{name: "John McPhee"}]
    })
  end
end

def deps do
  [
    {:substrate, "~> 0.1"}
  ]
end