diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..a2cf81c
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,3 @@
+export NODE_ENV=development
+use_nix
+
diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..476a761
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,9 @@
+{ pkgs ? import <nixos-unstable> {} }:
+  pkgs.mkShell {
+    nativeBuildInputs = with pkgs; [ nodejs-18_x yarn ];
+
+    shellHook = ''
+      yarn set version berry
+    '';
+}
+