diff --git a/.gitignore b/.gitignore
index e4492bb..86a69c6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ result
 .*
 !.git*
 *poop*
+*.iso
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..0443167
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,4 @@
+installer.iso: flake.nix modules hosts/installer.nix
+	nix build .#nixosConfigurations.installer.config.system.build.isoImage
+	cp result/iso/nixos-*.iso installer.iso
+