diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6142305
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.o
+*.d
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..cd10e71
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,7 @@
+{pkgs ? import <nixpkgs> {}}:
+pkgs.mkShell {
+  # nativeBuildInputs is usually what you want -- tools you need to run
+  nativeBuildInputs = with pkgs.buildPackages; [
+    emscripten
+  ];
+}