diff --git a/default.nix b/default.nix
new file mode 100644
index 000000000..cf07b33d5
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,14 @@
+{ nixpkgs ? import <nixpkgs> {} }:
+let
+  inherit (nixpkgs) pkgs;
+
+  nixPackages = with pkgs; [
+    nodejs-15_x
+    yarn
+    dnsutils
+    certbot
+  ];
+in pkgs.stdenv.mkDerivation {
+  name = "env";
+  buildInputs = nixPackages;
+}