diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..00f0358
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module git.qenya.tel/qenya/aoc2023
+
+go 1.23.2
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..8303b75
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,10 @@
+let
+  pkgs = import <nixpkgs> {};
+in pkgs.mkShell {
+  packages = with pkgs; [
+    go
+  ];
+  shellHook = ''
+    export PATH=$PATH:~/go/bin
+  '';
+}
\ No newline at end of file