{
  description = "System Configuration Flake";

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

    nixos-hardware.url = "github:NixOS/nixos-hardware";

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

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

    agenix = {
      url = "github:ryantm/agenix";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    agenix-rekey = {
      url = "github:oddlama/agenix-rekey";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    nvf = {
      url = "github:notashelf/nvf";
      inputs.nixpkgs.follows = "nixpkgs";
    };

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

    noctalia = {
      url = "github:noctalia-dev/noctalia-shell";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    niri = {
      url = "github:sodiboo/niri-flake";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    zen-browser = {
      url = "github:0xc000022070/zen-browser-flake";
      inputs = {
        # IMPORTANT: To ensure compatibility with the latest Firefox version, use nixpkgs-unstable.
        nixpkgs.follows = "nixpkgs";
        home-manager.follows = "home-manager";
      };
    };

    nix-jmu-cs345.url = "github:Eclypsed/nix-jmu-cs345";
  };

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

      agenix-rekey = agenix-rekey.configure {
        userFlake = self;
        nixosConfigurations = self.nixosConfigurations;
      };
    };
}