diff --git a/.licenseignore b/.licenseignore
index 4111e7c..16c3bf3 100644
--- a/.licenseignore
+++ b/.licenseignore
@@ -19,4 +19,6 @@ package-lock.json
 rollup.config.js
 \.editorconfig
 \.gitignore
-\.licenseignore
\ No newline at end of file
+\.licenseignore
+flake.nix
+flake.lock
\ No newline at end of file
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..6fe1939
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1717144377,
+        "narHash": "sha256-F/TKWETwB5RaR8owkPPi+SPJh83AQsm6KrQAlJ8v/uA=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "805a384895c696f802a9bf5bf4720f37385df547",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-24.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "utils": "utils"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..9cec21e
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,26 @@
+{
+  description = "doipjs";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
+    utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, utils }:
+    utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+      in
+      {
+        devShell = with pkgs; mkShell {
+          buildInputs = [
+            nodejs_20
+          ];
+
+          shellHook = ''
+            echo "node `${pkgs.nodejs_20}/bin/node --version`"
+          '';
+        };
+      });
+
+}
\ No newline at end of file