diff --git a/mini/install.txt b/mini/install.txt
index bb0944a..089590d 100644
--- a/mini/install.txt
+++ b/mini/install.txt
@@ -1,3 +1,32 @@
+# build installer
+
+{
+  description = "Bcachefs enabled installation media";
+  inputs.nixos.url = "nixpkgs/nixos-unstable";
+  outputs = { self, nixos }: {
+    nixosConfigurations = {
+      exampleIso = nixos.lib.nixosSystem {
+        system = "x86_64-linux";
+        modules = [
+          "${nixos}/nixos/modules/installer/cd-dvd/installation-cd-minimal-new-kernel-no-zfs.nix"
+          ({ lib, pkgs, ... }: {
+            boot.supportedFilesystems = [ "bcachefs" ];
+            boot.kernelPackages = lib.mkOverride 0 pkgs.linuxPackages_latest;
+          })
+        ];
+      };
+    };
+  };
+}
+
+git init
+git add flake.nix
+nix build .#nixosConfigurations.exampleIso.config.system.build.isoImage
+
+#
+# install script below
+#
+
 # Defining some helper variables (these will be used in later code
 # blocks as well, so make sure to use the same terminal session or
 # redefine them later)