Add nix derivation

default.nix

@@ -0,0 +1,17 @@
+{
+  pam,
+  pkg-config,
+  rustPlatform,
+}:
+rustPlatform.buildRustPackage {
+  name = "pam_honeypot";
+  src = ./.;
+  cargoLock.lockFile = ./Cargo.lock;
+  nativeBuildInputs = [
+    rustPlatform.bindgenHook
+  ];
+  buildInputs = [
+    pam
+    pkg-config
+  ];
+}

flake.nix

@@ -30,6 +30,9 @@
             pkgs.rustPlatform.bindgenHook
           ];
         };
+        packages = {
+          default = pkgs.callPackage ./default.nix {};
+        };
       }
     );
 }