{pkgs,...}:
pkgs.mkShell {
         buildInputs = [
          pkgs.elixir
          pkgs.elixir-ls
          pkgs.erlang
         ];
         shellHook = ''
           export MIX_HOME=$PWD/.mix
           export HEX_HOME=$PWD/.hex
           echo 'Elixir version:'
           elixir --version
           echo 'Erlang version:'
           erl -version
           echo 'Welcome to Elixir shell!'
           echo 'Run `iex` to start the interactive shell'
          '';
      }