diff --git a/flake.lock b/flake.lock
index dade030..fd477dd 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,6 +1,63 @@
 {
   "nodes": {
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "naersk",
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1752475459,
+        "narHash": "sha256-z6QEu4ZFuHiqdOPbYss4/Q8B0BFhacR8ts6jO/F/aOU=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "bf0d6f70f4c9a9cf8845f992105652173f4b617f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "naersk": {
+      "inputs": {
+        "fenix": "fenix",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1752689277,
+        "narHash": "sha256-uldUBFkZe/E7qbvxa3mH1ItrWZyT6w1dBKJQF/3ZSsc=",
+        "owner": "nix-community",
+        "repo": "naersk",
+        "rev": "0e72363d0938b0208d6c646d10649164c43f4d64",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "naersk",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
+      "locked": {
+        "lastModified": 1752077645,
+        "narHash": "sha256-HM791ZQtXV93xtCY+ZxG1REzhQenSQO020cu6rHtAPk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "be9e214982e20b8310878ac2baa063a961c1bdf6",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
       "locked": {
         "lastModified": 1756542300,
         "narHash": "sha256-tlOn88coG5fzdyqz6R93SQL5Gpq+m/DsWpekNFhqPQk=",
@@ -18,7 +75,25 @@
     },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "naersk": "naersk",
+        "nixpkgs": "nixpkgs_2"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1752428706,
+        "narHash": "sha256-EJcdxw3aXfP8Ex1Nm3s0awyH9egQvB2Gu+QEnJn2Sfg=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "591e3b7624be97e4443ea7b5542c191311aa141d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index 1595293..5bd37fc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,21 +2,22 @@
   description = "lead-rust";
 
   inputs = {
+    naersk.url = "github:nix-community/naersk";
     nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
   };
 
   outputs = {
     self,
+    naersk,
     nixpkgs,
   }: let
     system = "x86_64-linux";
     pkgs = import nixpkgs {inherit system;};
+    naerskLib = pkgs.callPackage naersk {};
   in {
-    devShells.default = pkgs.mkShell {
-      buildInputs = with pkgs; [
-        openssl
-      ];
-
+    packages.${system}.default = naerskLib.buildPackage {
+      src = ./.;
+      buildInputs = [pkgs.openssl];
       nativeBuildInputs = [pkgs.pkg-config];
     };
   };
diff --git a/src/main.rs b/src/main.rs
index d6bc050..ed35c6f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,8 +5,6 @@ mod tokenizer;
 
 use std::io;
 
-use std::{io, net::SocketAddr};
-use tokio::{net::TcpListener, runtime::Runtime};
 use websocket::server::WsServer;
 
 use crate::{cell::CellRef, evaluator::Evaluator};