ezcontainer_example/lib/ezcontainer_railway_web/controllers/container_controller.ex

defmodule EzcontainerRailwayWeb.ContainerController do
  alias EzcontainerRailway.Railway
  alias Phoenix.Component
  use EzcontainerRailwayWeb, :controller

  def index(conn, params) do
    {:ok, services} = Railway.get_services(conn |> get_session(:railway_token))

    conn
    |> assign(:services, services)
    |> render(:containers)
  end

  def create(conn, params) do
    conn
  end

  def show(conn, params) do
  end
end