flake.nix

{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
    flake-utils.url = "github:numtide/flake-utils";
    gomod2nix.url = "github:tweag/gomod2nix";
    gomod2nix.inputs.nixpkgs.follows = "nixpkgs";
    gomod2nix.inputs.utils.follows = "flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils, gomod2nix }:
    let
      out = system:
        let
          pkgs = import nixpkgs {
            inherit system;
            overlays = [ (import "${gomod2nix}/overlay.nix") ];
          };
        in
        {

          devShell = pkgs.mkShell { buildInputs = with pkgs; [ go ]; };

          defaultPackage = pkgs.buildGoApplication {
            pname = "aioproxy";
            version = "latest";
            goPackagePath = "github.com/contrun/aioproxy";
            src = ./.;
            modules = ./gomod2nix.toml;
          };

          defaultApp =
            flake-utils.lib.mkApp { drv = self.defaultPackage."${system}"; };

        };
    in
    with flake-utils.lib; eachSystem defaultSystems out;

}