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

  outputs = { self, nixpkgs, flake-utils, ... }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs {
          inherit system;
        };
      in
      with pkgs;
      {
        devShells.default = mkShell rec {
          buildInputs = with pkgs; [
            go
            ffmpeg
          ];
        };
        packages.default = pkgs.callPackage ./build.nix { };
      }
    );
}