let
  pkgs = import (import ../nixpkgs.nix) {};
in
{
  network =  {
    inherit pkgs;
    description = "simple hosts";
    ordering = {
      tags = [ "db" "web" ];
    };
  };

  "web01" = { config, pkgs, ... }: {
    deployment.tags = [ "web" ];

    boot.loader.systemd-boot.enable = true;
    boot.loader.efi.canTouchEfiVariables = true;

    services.nginx.enable = true;

    fileSystems = {
        "/" = { label = "nixos"; fsType = "ext4"; };
        "/boot" = { label = "boot"; fsType = "vfat"; };
    };
  };

  "db01" = { config, pkgs, ... }: {
    deployment.tags = [ "db" ];

    boot.loader.systemd-boot.enable = true;
    boot.loader.efi.canTouchEfiVariables = true;

    services.postgresql.enable = true;

    fileSystems = {
        "/" = { label = "nixos"; fsType = "ext4"; };
        "/boot" = { label = "boot"; fsType = "vfat"; };
    };
  };
}