example aws NixOS config

gistfile1.txt

{ modulesPath, pkgs, lib, ... }: {
  imports = [ "${modulesPath}/virtualisation/amazon-image.nix" ];
  ec2.hvm = true;
  ec2.efi = true;

  system.autoUpgrade = {
    enable = true;
    allowReboot = true;
  };

  system.copySystemConfiguration = true;
  system.stateVersion = "22.11";
  networking.hostName = "bestla";
  time.timeZone = "America/New_York";

  services.cron = {
    enable = true;
    systemCronJobs = [
      "*/15 * * * *      root	/home/root/src/commit-etc/commit-etc.sh"
    ];
  };
  
  environment.systemPackages = with pkgs; [
     neovim
     doas
     git
     osqueryd
     opensmtpd
     tmux
  ];
  environment.variables.EDITOR = "nvim";


  security.doas.enable = true;
  security.sudo.enable = false;
  security.doas.extraRules = [{
	groups = [ "wheel" ];
	keepEnv = true;
	persist = true;
  }];

  users.users.t = {
     isNormalUser = true;
     extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
     openssh.authorizedKeys.keys = [
      "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABgQDce/caLihdEi7gbMumkwnaA8N/GjLEUvEXib6CldmMvxQJIVr8lU+2608DrW91GTixrNimhdZTIh0MEqdnmPs7rmMzUH1ErSU/ghggOSbyEMaAo7Rvg+eEMYpmjtM06JKNJB0bOKR8PwqkQZXrYnGaIDUu46PhKkqvSx09zP3zFohptDCX7rJhdLTnrzmyKxDUDmXuzgyDa7dE7FFAa0sx5pyc9sxY0PcJ+dTK+4cWKyN2CKmdJoqdbsuRSNwyqGkiOVTDYIEQAN0dAa1yBOE9IHh+J4E183ClAAAOJ2oQdFUhw7Zzlj2tey7nJ256YHsUW3Vi+lZpebQpmcX4IVLHKVtoRP1wXMsVOnO1141S1NsGJci4HrAhNmJ/7/WkdmnbbklPhCQC5JxTns/vgpdR35JU3jq/aILGckqxOsJuMLUvbMjcDSsC0b/wSsiT9XQ0biR4f0XdDPww2Xf1wUtx5fLggfh0I8LCACAJ3A5vSJT1n0W/2sXanSb11FIWRlM= t@bambu.local"
     ];
  };
}