mix.exs from root of umbrella project

mix.exs

defmodule Projectx.MixProject do
  use Mix.Project

  def project do
    [
      apps_path: "apps",
      version: "1.0.0",
      start_permanent: Mix.env() == :prod,
      default_release: :projectx,
      deps: deps(),
      releases: releases()
    ]
  end

  defp deps do
    [
      {:secrets_manager_provider, "~> 0.3.0"}
    ]
  end

  defp releases do
    [
      projectx: [
        include_executables_for: [:unix],
        applications: [runtime_tools: :permanent],
        config_providers: [
          {SecretsManagerProvider, "/aws/reference/secretsmanager/prod/projectx"}
        ]
      ]
    ]
  end
end