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Mix task to create a docker image of your application release. Installation: `mix archive.install hex edib` More detailed information about release image building at: https://github.com/edib-tool/elixir-docker-image-builder

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edib lib edib build_config artifact image_settings.ex
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lib/edib/build_config/artifact/image_settings.ex 

defmodule EDIB.BuildConfig.Artifact.ImageSettings do

  @moduledoc false



  def from_cli_options(options) do

    {options, []}

    |> package_name

    |> package_tag

    |> package_prefix

    |> with_test_run

    |> elem(1)

  end



  def to_docker_options(image_settings) do

    Enum.map_join(image_settings, " ", &to_docker_option/1)

  end



  ### Internals



  defp to_docker_option(setting) do

    ~s(-e "#{setting}")

  end



  defp package_name({%{name: name} = options, vars}),

    do: maybe_package_name(name, options, vars)

  defp package_name({options, vars}),

    do: {options, vars}



  defp maybe_package_name(nil, options, vars),

    do: {options, vars}

  defp maybe_package_name(name, options, vars),

    do: {options, ["RELEASE_NAME=#{name}" | vars]}



  defp package_tag({%{tag: tag} = options, vars}),

    do: maybe_package_tag(tag, options, vars)

  defp package_tag({options, vars}),

    do: {options, vars}



  defp maybe_package_tag(nil, options, vars),

    do: {options, vars}

  defp maybe_package_tag(tag, options, vars),

    do: {options, ["RELEASE_TAG=#{tag}" | vars]}



  defp package_prefix({%{prefix: prefix} = options, vars}),

    do: maybe_package_prefix(prefix, options, vars)

  defp package_prefix({options, vars}),

    do: {options, vars}



  defp maybe_package_prefix(nil, options, vars),

    do: {options, vars}

  defp maybe_package_prefix(prefix, options, vars),

    do: {options, ["RELEASE_PREFIX=#{prefix}" | vars]}



  defp with_test_run({%{test: test} = options, vars}),

    do: maybe_with_test_run(test, options, vars)

  defp with_test_run({options, vars}),

    do: {options, vars}



  defp maybe_with_test_run(true, options, vars),

    do: {options, ["TEST=true" | vars]}

  defp maybe_with_test_run(_, options, vars),

    do: {options, vars}

end