{
  description = "Prymn";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    rust-overlay.url = "github:oxalica/rust-overlay";
  };

  outputs = { self, nixpkgs, rust-overlay }:
    let
      #supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
      system = "x86_64-linux";

      overlays = [
        (final: prev: {
          elixir = prev.beam.packages.erlang_26.elixir_1_15;
          elixir-ls = prev.beam.packages.erlang_26.elixir-ls.override { elixir = final.elixir; };
          protoc-gen-elixir = prev.callPackage ./protoc-gen-elixir.nix { elixir = final.elixir; };
        })

        (import rust-overlay)
      ];

      pkgs = import nixpkgs {
        inherit system overlays;
      };
    in
    {
      devShells.${system}.default = with pkgs; mkShell {
        packages = [
          elixir
          elixir-ls
          protobuf
          protoc-gen-elixir
          rust-bin.stable.latest.default
        ] ++ lib.optionals stdenv.isLinux [ inotify-tools ];

        inputsFrom = [
          protoc-gen-elixir
        ];
      };
    };
}