ezcontainer_example/lib/ezcontainer_railway/graphql_client.ex

defmodule EzcontainerRailway.GraphqlClient do
  @graphql_url "https://backboard.railway.app/graphql/v2"

  def query(query, opts) when is_binary(query) and is_list(opts) do
    body = %{
          "query" => query,
          "variables" => opts[:variables]
    }

    case Req.Request.put_headers(Req.new(), [{"Authorization", "Bearer #{opts[:token]}"}]) |> Req.post(url: @graphql_url, json: body) do
      {:ok, resp} -> resp 
      {:error, e} -> raise(e)
    end
  end
end