{
  description = "Nix Config";

  inputs = {
    # Nixpkgs
    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";

    # NUR
    nur.url = "github:nix-community/NUR";

    # Home manager
    home-manager = {
      url = "github:nix-community/home-manager/release-24.05";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # Nixvim
    nixvim = {
      url = "github:nix-community/nixvim/nixos-24.05";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # Arion for docker
    arion = {
      url = "github:hercules-ci/arion/236f9dd82d6ef6a2d9987c7a7df3e75f1bc8b318";
    };

    # nix-bitcoin
    nix-bitcoin = {
      url = "github:fort-nix/nix-bitcoin/nixos-24.05";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # Nix colors
    nix-colors.url = "github:misterio77/nix-colors";

    # Declarative partitioning and formatting
    disko = {
      url = "github:nix-community/disko/v1.6.1";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    impermanence = {
      url = "github:nix-community/impermanence";
    };

    # Secrets management
    sops-nix = {
      url = "github:mic92/sops-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    nix-secrets = {
      url = "git+ssh://git@git.bitlab21.com/sam/nix-secrets.git";
      inputs = { };
    };
  };

  outputs =
    { self
    , nixpkgs
    , home-manager
    , ...
    } @ inputs:
    let
      inherit (self) outputs;
      systems = [
        "x86_64-linux"
      ];
      forAllSystems = nixpkgs.lib.genAttrs systems;
      inherit (nixpkgs) lib;
      configVars = import ./vars { inherit inputs lib; };
      specialArgs = { 
        inherit 
          inputs 
          outputs
          configVars
          ; };
    in
    {
      packages = forAllSystems (system: import ./pkgs nixpkgs.legacyPackages.${system});
#formatter = forAllSystems (system: nixpkgs.legacyPackages.${system}.alejandra);
      overlays = import ./overlays { inherit inputs; };
      nixosModules = import ./modules/nixos;
      homeManagerModules = import ./modules/home-manager;


      # System level configs
      nixosConfigurations = {
        nixdev = nixpkgs.lib.nixosSystem {
          inherit specialArgs;
          modules = [
            ./hosts/nixdev
            home-manager.nixosModules.home-manager
            {
              home-manager.extraSpecialArgs = specialArgs;
            }
          ];
        };
        fileserver = nixpkgs.lib.nixosSystem {
          inherit specialArgs;
          modules = [
            ./hosts/fileserver
            home-manager.nixosModules.home-manager
            {
              home-manager.extraSpecialArgs = specialArgs;
            }
          ];
        };
        bootstrap = nixpkgs.lib.nixosSystem {
          inherit specialArgs;
          modules = [
            ./hosts/bootstrap
          ];
        };
        sparky = nixpkgs.lib.nixosSystem {
          inherit specialArgs;
          modules = [
            ./hosts/sparky
            home-manager.nixosModules.home-manager
            {
              home-manager.extraSpecialArgs = specialArgs;
            }
          ];
        };
        semita = nixpkgs.lib.nixosSystem {
          inherit specialArgs;
          modules = [
            ./hosts/semita
            home-manager.nixosModules.home-manager
            {
              home-manager.extraSpecialArgs = specialArgs;
            }
          ];
        };
        nebula = nixpkgs.lib.nixosSystem {
          inherit specialArgs;
          modules = [
            ./hosts/nebula
            home-manager.nixosModules.home-manager
            {
              home-manager.extraSpecialArgs = specialArgs;
            }
          ];
        };
        citadel = nixpkgs.lib.nixosSystem {
          inherit specialArgs;
          modules = [
            ./hosts/citadel
            home-manager.nixosModules.home-manager
            {
              home-manager.extraSpecialArgs = specialArgs;
            }
          ];
        };
      };
    };
}