{ config, lib, pkgs, ... }:
{
  programs.fish.enable = true;

  environment.shellAliases = {
    vim = "nvim";
  };
  environment.systemPackages = with pkgs; [
    dnsutils
    git
    gnupg
    haskellPackages.hledger
    htop
    mosh
    neovim
    nix-repl
    nox
    pass
    silver-searcher
    whois
  ];
  time.timeZone = "America/New_York";

  services = {
    openssh.passwordAuthentication = false;
  };

  nix = {
    useSandbox = lib.mkDefault true;
    maxJobs = lib.mkDefault 16;
    buildCores = lib.mkDefault 0;  # auto configure
    gc.automatic = lib.mkDefault true;
  };

  boot.cleanTmpDir = true;
}