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

    disko = {
      url = "github:nix-community/disko";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    impermanence = {
      url = "github:karaolidis/impermanence/?ref=home-manager-ordering";
    };

    sops-nix = {
      url = "github:Mic92/sops-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = { self, nixpkgs, ... } @ inputs: {
    nixosConfigurations = {
      eirene-vm = nixpkgs.lib.nixosSystem {
        specialArgs = { inherit inputs; };
        system = "x86_64-linux";
        modules = [ ./hosts/eirene/vm ];
      };

      eirene = nixpkgs.lib.nixosSystem {
        specialArgs = { inherit inputs; };
        system = "x86_64-linux";
        modules = [ ./hosts/eirene/base ];
      };
    };
  };
}