{ inputs, ... }: {

    flake.nixosModules.sops = { config, lib, ... }: {

        imports = [
            inputs.sops-nix.nixosModules.sops
        ];

        config = {

            nix = {
                settings = {
                    builders-use-substitutes = (config.sops.secrets ? "remoteBuildKey");

                };

                distributedBuilds = lib.mkDefault (config.sops.secrets ? "remoteBuildKey");

                buildMachines = lib.mkIf (config.sops.secrets ? "remoteBuildKey") [
                {
                    hostName = "esotericbytes.com";
                    sshUser = "remote-builder";
                    sshKey = config.sops.secrets."remoteBuildKey".path;
                    supportedFeatures = [
                        "nixos-test"
                        "benchmark"
                        "big-parallel"
                        "kvm"
                    ];
                    systems = [ "x86_64-linux" "aarch64-linux" ];
                }
                ];

            };

            users.users."remote-builder" = lib.mkIf (builtins.any
                (x: (builtins.match "^remoteBuildClientKeys/.+" x) != null) 
                (builtins.attrNames config.sops.secrets)
            ) {
                isNormalUser = true;
                createHome = false;
            };

            sops.templates."remote-builder" = lib.mkIf (builtins.any
                    (x: (builtins.match "^remoteBuildClientKeys/.+" x) != null) 
                    (builtins.attrNames config.sops.secrets)
                    )  {
                content = builtins.concatStringsSep ''''\n'' (builtins.map 
                        (y: config.sops.placeholder.${y}) 
                        (builtins.filter 
                         (x: (builtins.match "^remoteBuildClientKeys/.+" x) != null) 
                         (builtins.attrNames config.sops.secrets)
                        )
                        );
                path = "/etc/ssh/authorized_keys.d/remote-builder";
                owner = "remote-builder";
            };
        };
    };
}