{
  description = "Troutbot - GitHub webhook bot";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs?ref=nixos-unstable";

  outputs = {
    self,
    nixpkgs,
  }: let
    systems = [
      "x86_64-linux"
      "aarch64-linux"
      "x86_64-darwin"
      "aarch64-darwin"
    ];

    forEachSystem = f: nixpkgs.lib.genAttrs systems (system: f nixpkgs.legacyPackages.${system});
  in {
    nixosModules = {
      troutbot = import ./nix/modules/nixos.nix self;
      default = self.nixosModules.troutbot;
    };

    packages = forEachSystem (pkgs: {
      troutbot = pkgs.callPackage ./nix/package.nix {};
      default = self.packages.${pkgs.hostPlatform.system}.troutbot;
    });

    devShells = forEachSystem (pkgs: {
      default = pkgs.mkShell {
        name = "troutbot-dev";
        packages = [pkgs.nodejs-slim pkgs.pnpm];
      };
    });
  };
}