{
  description = "emilys config hell";
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    nixos-hardware.url = "github:nixos/nixos-hardware";
    fernglas.url = "github:wobcom/fernglas";
    flake-utils.url = "github:numtide/flake-utils";
    kyouma-www.url = "git+https://git.bsd.gay/snaki/kyouma-net.git";
    stylix.url = "github:danth/stylix";
    disko = {
      url = "github:nix-community/disko";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nixvim = {
      url = "github:nix-community/nixvim";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  nixConfig = {
    builders-use-substitutes = true;
    builders = "ssh://nixremote@seras.kyouma.net x86_64-linux,aarch64-linux - 40 2 nixos-test,benchmark,big-parallel,kvm";
  };

  outputs = { self, nixpkgs, flake-utils, ... }@inputs: {
    colmena = let
      hosts = [ "web-dus" "crime" "ryuuko" "lain" "seras" ];
      hostCfg = hostname: {
        imports = [ (./config/hosts/${hostname}/configuration.nix) ];
      };
    in {
      meta = {
        allowApplyAll = false;
        machinesFile = ./builders;
        nixpkgs = nixpkgs.legacyPackages.x86_64-linux;
        nodeNixpkgs = {
          lain = nixpkgs.legacyPackages.aarch64-linux;
        };
        specialArgs = { inherit inputs; };
      };
    } // (builtins.listToAttrs (builtins.map (hosts: nixpkgs.lib.attrsets.nameValuePair hosts (hostCfg hosts)) hosts));

    nixosConfigurations = {
      ryuuko = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";
        specialArgs = { inherit inputs; };
        modules = [
          ./config/hosts/base/configuration.nix
          ./config/hosts/ryuuko/disko.nix
        ];
      };
      lain = nixpkgs.lib.nixosSystem {
        system = "aarch64-linux";
        specialArgs = { inherit inputs; };
        modules = [
          ./config/hosts/lain/iso.nix
        ];
      };
    };
    images.lain = self.nixosConfigurations.lain.config.system.build.sdImage;
  } // flake-utils.lib.eachDefaultSystem (system: let
    pkgs = nixpkgs.legacyPackages.${system};
  in {
#    packages = rec {
#      newhost = pkgs.stdenv.mkDerivation {
#        name = "newhost";
#      };
#    };
#    apps = rec {
#      newhost = self.packages.${system}.newhost;
#      default = newhost;
#    };
    devShells.default = pkgs.mkShell {
      packages = [ pkgs.colmena ];
    };
  });
}