{
  description = "tricu";

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

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs              = nixpkgs.legacyPackages.${system};
        packageName       = "tricu";
        containerPackageName = "${packageName}-container";

        customGHC = pkgs.haskellPackages.ghcWithPackages (hpkgs: with hpkgs; [
          megaparsec
        ]);

        haskellPackages = pkgs.haskellPackages;

        enableSharedExecutables = false;
        enableSharedLibraries = false;

        tricu = pkgs.haskell.lib.justStaticExecutables self.packages.${system}.default;
      in {

        packages.${packageName} =
          haskellPackages.callCabal2nix packageName self rec {};

        packages.default = self.packages.${system}.${packageName};
        defaultPackage = self.packages.${system}.default;

        devShells.default = pkgs.mkShell {
          buildInputs = with pkgs.haskellPackages; [
            cabal-install
            ghcid
            customGHC
          ];
          inputsFrom = builtins.attrValues self.packages.${system};
        };
        devShell = self.devShells.${system}.default;

      });
}