From a39319fe97c24b19cd20dfbc712a667a5a7bb248 Mon Sep 17 00:00:00 2001
From: Matthew Hrehirchuk <me@matthew-hre.com>
Date: Thu, 2 Apr 2026 09:05:26 -0600
Subject: [PATCH] nix: setup nix flake

---
 flake.lock | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 flake.nix  | 42 +++++++++++++++++++++++++++++++++++++
 2 files changed, 103 insertions(+)
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..aa9c3d0
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1774709303,
+        "narHash": "sha256-D3Q07BbIA2KnTcSXIqqu9P586uWxN74zNoCH3h2ESHg=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "8110df5ad7abf5d4c0f6fb0f8f978390e77f9685",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..a164851
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,42 @@
+{
+  description = "PayKit - Open payments orchestration for modern SaaS";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+  }:
+    flake-utils.lib.eachDefaultSystem (
+      system: let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in {
+        devShells.default = pkgs.mkShell {
+          buildInputs = with pkgs; [
+            # Node.js 22 as specified in .nvmrc
+            nodejs_22
+
+            # pnpm as specified in package.json (nixpkgs has 10.4.1)
+            pnpm
+
+            # Build tools
+            turbo
+
+            # Formatters and linters
+            oxfmt
+            oxlint
+
+            # Additional dev tools
+            git
+
+            # Shell utilities
+            jq
+          ];
+        };
+      }
+    );
+}