feat: ✨ setup escript compilation

Author: maxbarsukov

.gitignore

@@ -23,6 +23,9 @@ erl_crash.dump
 fp_lab3-*.tar
 # Temporary files, for example, from tests.
 /tmp/
+# Generated executables
+/out/
+!/out/.keep
 
 ### IntelliJ IDEA ###
 .idea/

lib/main.ex

@@ -0,0 +1,18 @@
+defmodule InterpolationApp.Main do
+  @moduledoc """
+  Application entry point
+  """
+
+  @spec main([String.t()]) :: any()
+  def main(args \\ []) do
+    args
+    |> parse_args()
+    |> IO.puts()
+  end
+
+  defp parse_args(args) do
+    {opts, word, _} = args |> OptionParser.parse(switches: [upcase: :boolean])
+
+    {opts, List.to_string(word)}
+  end
+end

mix.exs

@@ -10,6 +10,7 @@ defmodule FpLab3.MixProject do
   def project do
     [
       app: :fp_lab3,
+      escript: escript(),
       elixir: "~> 1.17",
       elixirc_paths: elixirc_paths(Mix.env()),
       preferred_cli_env: [
@@ -37,6 +38,14 @@ defmodule FpLab3.MixProject do
     ]
   end
 
+  defp escript do
+    [
+      main_module: InterpolationApp.Main,
+      path: "./out/interpolation-app",
+      name: "interpolation-app"
+    ]
+  end
+
   def application do
     [
       extra_applications: [:logger]