scaffold festival drink tracker (pnpm workspace, Fastify + SQLite, Preact tablet UI, admin)

flake.nix

@@ -0,0 +1,36 @@
+{
+  description = "wutzcalc — festival drink tracker dev shell";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+
+  outputs = { self, nixpkgs }:
+    let
+      systems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
+      forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f {
+        inherit system;
+        pkgs = import nixpkgs { inherit system; };
+      });
+    in {
+      devShells = forAllSystems ({ pkgs, system }: {
+        default = pkgs.mkShell {
+          packages = with pkgs; [
+            nodejs_20
+            pnpm
+            sqlite
+            sqlite-interactive
+            python3
+            pkg-config
+            gcc
+            gnumake
+          ];
+
+          shellHook = ''
+            echo "wutzcalc dev shell"
+            echo "  node    $(node --version)"
+            echo "  pnpm    $(pnpm --version)"
+            echo "  sqlite  $(sqlite3 --version | cut -d' ' -f1)"
+          '';
+        };
+      });
+    };
+}