diff --git a/flake/outputs/nixpkgs.nix b/flake/outputs/nixpkgs.nix
new file mode 100644
index 0000000..588eb29
--- /dev/null
+++ b/flake/outputs/nixpkgs.nix
@@ -0,0 +1,18 @@
+{ self, ... }:
+let
+  overlays = [
+    self.overlays.default
+  ];
+in
+{
+  perSystem =
+    { ... }:
+    {
+      nixpkgs = {
+        config = {
+          allowUnfree = true;
+        };
+        inherit overlays;
+      };
+    };
+}
diff --git a/flake/outputs/overlays.nix b/flake/outputs/overlays.nix
new file mode 100644
index 0000000..0d30af8
--- /dev/null
+++ b/flake/outputs/overlays.nix
@@ -0,0 +1,11 @@
+{ ... }:
+{
+  flake.overlays = {
+    default =
+      _final: prev:
+      prev.lib.packagesFromDirectoryRecursive {
+        inherit (prev) callPackage;
+        directory = ../../pkgs;
+      };
+  };
+}
diff --git a/flake/outputs/packages.nix b/flake/outputs/packages.nix
new file mode 100644
index 0000000..63cbcf3
--- /dev/null
+++ b/flake/outputs/packages.nix
@@ -0,0 +1,7 @@
+{
+  perSystem =
+    { pkgs, ... }:
+    {
+      legacyPackages = pkgs;
+    };
+}
diff --git a/pkgs/netns-proxy/package.nix b/pkgs/netns-proxy/package.nix
new file mode 100644
index 0000000..2a4eed4
--- /dev/null
+++ b/pkgs/netns-proxy/package.nix
@@ -0,0 +1,17 @@
+{ rustPlatform, fetchFromGitHub, ... }:
+
+rustPlatform.buildRustPackage rec {
+  name = "netns-proxy";
+
+  src = fetchFromGitHub {
+    owner = "fooker";
+    repo = "netns-proxy";
+    rev = "6d9ccbfde4375cd614735ea5f6ee5aba2b6cfd2b";
+    fetchSubmodules = false;
+    sha256 = "sha256-N+my6cTuA7yNoYxocpRiLNcy7OwrJLvO2cGLJGv8a/I=";
+  };
+
+  cargoLock = {
+    lockFile = src + /Cargo.lock;
+  };
+}