{
  description = "Home Manager && NixOS configuration";
  inputs = {
    nixos-hardware.url = "github:NixOS/nixos-hardware";
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    nixpkgs-stable.url = "github:nixos/nixpkgs/nixos-25.11";
    pre-commit-hooks = {
      url = "github:cachix/pre-commit-hooks.nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    sops-nix = {
      url = "github:Mic92/sops-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nix-index-database = {
      url = "github:nix-community/nix-index-database";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    treefmt-nix = {
      url = "github:numtide/treefmt-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    home-manager = {
      url = "github:nix-community/home-manager/master";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    # nvim = {
    #   url = "github:iofq/nvim.nix";
    # };
    nvim = {
      url = "path:/home/e/dev/nvim.nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    deploy-rs = {
      url = "github:serokell/deploy-rs";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    microvm = {
      url = "github:microvm-nix/microvm.nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    determinate.url = "https://flakehub.com/f/DeterminateSystems/determinate/*";
    systems.url = "github:nix-systems/default";
  };
  outputs =
    {
      self,
      nixpkgs,
      nixpkgs-stable,
      systems,
      ...
    }@inputs:
    let
      attrs = {
        username = "e";
      };
      system = "x86_64-linux";
      pkgs = import nixpkgs {
        inherit system;
        config.allowUnfree = true;
        overlays = [
          inputs.nvim.overlays.default
          (import ./pkgs/overlay.nix)
        ];
      };
      pkgs-stable = import nixpkgs-stable {
        inherit system;
        config.allowUnfree = true;
      };
      eachSystem = f: nixpkgs.lib.genAttrs (import systems) (system: f nixpkgs.legacyPackages.${system});
      treefmtEval = eachSystem (pkgs: inputs.treefmt-nix.lib.evalModule pkgs ./treefmt.nix);
    in
    {
      nixosConfigurations = import ./nixos {
        inherit
          inputs
          pkgs
          pkgs-stable
          attrs
          system
          ;
      };
      homeConfigurations = import ./home-manager { inherit inputs pkgs attrs; };
      checks = {
        pre-commit-check = inputs.pre-commit-hooks.lib.${system}.run {
          src = inputs.self;
          hooks = {
            treefmt.enable = true;
            treefmt.package = treefmtEval.${system}.config.build.wrapper;
          };
        };
      };
      deploy.nodes = import ./fleet.nix { inherit inputs self system; };
      formatter = eachSystem (pkgs: treefmtEval.${pkgs.system}.config.build.wrapper);
      devShells.${system}.default = pkgs.mkShell {
        inherit (self.checks.pre-commit-check) shellHook;
        buildInputs = with pkgs; [
          age
          deploy-rs
          git
          home-manager
          k9s
          kubectl
          kubeseal
          sops
          ssh-to-age
          treefmtEval.${system}.config.build.wrapper
          velero
          (pkgs.writeShellScriptBin "deploy-k8s" ''
            cd $(git rev-parse --show-toplevel)
            kubectl config use-context lab
            kubectl apply -k ./clusters/lab
          '')
        ];
      };
    };
}