refactor: rename some flake attr directories

modules/docker/default.nix

@@ -0,0 +1,59 @@
+khepri: {
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit (lib) mkIf mkOption types;
+
+  cfg = config.khepri;
+in {
+  imports = [khepri.nixosModules.default];
+
+  options.khepri = {
+    enable = mkOption {
+      default = cfg.compositions != {};
+      type = types.bool;
+      description = ''
+        Option to enable docker even without compositions.
+      '';
+    };
+
+    rwDataDir = mkOption {
+      default = "/var/lib/docker";
+      type = types.str;
+      description = ''
+        Directory to place persistent data in.
+      '';
+    };
+
+    storageDriver = mkOption {
+      default = "btrfs"; # I use BTRFS on all my servers
+      type = types.str;
+    };
+  };
+
+  config = mkIf (cfg.enable) {
+    virtualisation = {
+      docker = {
+        enable = true;
+        storageDriver = cfg.storageDriver;
+
+        package = pkgs.docker_27;
+
+        daemon.settings.dns = ["8.8.8.8" "1.1.1.1"];
+      };
+
+      # khepri uses oci-containers under the hood and it must be set to docker to work
+      oci-containers.backend = "docker";
+    };
+
+    # Script for updating the images of all images of a compose.nix file
+    environment.systemPackages = [
+      (pkgs.callPackage ./updateImage.nix {})
+    ];
+  };
+
+  # For accurate stack trace
+  _file = ./default.nix;
+}