T002

flake.nix

@@ -0,0 +1,54 @@
+{
+  description = "GlowTrack: reproducible devShell and app build outputs";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+      in
+      {
+        # Developer shell with Node.js LTS, pnpm, git, jq
+        devShells.default = pkgs.mkShell {
+          packages = builtins.attrValues {
+            inherit (pkgs) nodejs_20 pnpm git jq;
+          };
+
+          # Tip: uncomment Playwright bits below once tests are wired (T007)
+          # packages = builtins.attrValues { inherit (pkgs) nodejs_20 pnpm git jq playwright-driver playwright-browsers; };
+          # shellHook = ''
+          #   export PLAYWRIGHT_BROWSERS_PATH=${pkgs.playwright-browsers}
+          # '';
+        };
+
+        # Package: static site output from apps/web
+        # This derivation copies a prebuilt site (build/ or dist/) from apps/web if present.
+        # It does not run networked installs, keeping the build pure. The actual build
+        # step is performed via pnpm in the dev shell (see T005/T030 for CI wiring).
+        packages.app = pkgs.stdenvNoCC.mkDerivation {
+          pname = "glowtrack-app";
+          version = "0.0.0";
+          src = ./.;
+
+          buildPhase = "true";
+          installPhase = ''
+            mkdir -p "$out"
+            if [ -d apps/web/build ]; then
+              cp -r apps/web/build/* "$out/"
+            elif [ -d apps/web/dist ]; then
+              cp -r apps/web/dist/* "$out/"
+            else
+              echo "No prebuilt app output detected. After scaffolding (T005), run 'pnpm -C apps/web build' to populate build/ or dist/." > "$out/README.txt"
+            fi
+          '';
+        };
+
+        # Make `.#default` point to the app package for convenience
+        packages.default = self.packages.${system}.app;
+      }
+    );
+}