Add flake.nix with Nix derivations for website and PDF; update workflow to use nix build

.forgejo/workflows/deploy.yml

@@ -12,10 +12,18 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Build
+      - name: Build website with Nix
+        run: nix build .#website --no-write-lock-file
+
+      - name: Build speaker profile PDF
+        run: nix build .#speaker-profile --no-write-lock-file
+
+      - name: Copy build artifacts
         run: |
-          npm ci
-          npm run build
+          mkdir -p ./dist
+          cp -r result/* ./dist/
+          mkdir -p ./public/downloads
+          cp result-2/* ./public/downloads/ 2>/dev/null || true
 
       - name: Configure rclone
         run: |

flake.nix

@@ -0,0 +1,79 @@
+{
+  description = "Scott Scoble speaker website — Astro + Nix";
+
+  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.${system};
+        
+        # The website derivation
+        website = pkgs.stdenv.mkDerivation {
+          name = "scott-scoble-website";
+          
+          src = pkgs.lib.cleanSource ./.;
+          
+          nativeBuildInputs = with pkgs; [
+            nodejs_20
+            git
+          ];
+          
+          configurePhase = ''
+            export HOME=$(mktemp -d)
+          '';
+          
+          buildPhase = ''
+            npm ci
+            npm run build
+          '';
+          
+          installPhase = ''
+            mkdir -p $out
+            cp -r dist/* $out/
+          '';
+          
+          dontPatchShebangs = true;
+        };
+        
+        # PDF derivation
+        speaker-profile = pkgs.stdenv.mkDerivation {
+          name = "scott-scoble-speaker-profile";
+          
+          src = pkgs.lib.cleanSource ./.;
+          
+          nativeBuildInputs = with pkgs; [
+            typst
+          ];
+          
+          buildPhase = ''
+            mkdir -p $out
+            typst compile one-sheet.typ $out/Scott-Scoble-Human-Cultivation-Expert-Speaker-Profile.pdf
+          '';
+          
+          installPhase = "true";
+        };
+        
+        # Development shell
+        devShell = pkgs.mkShell {
+          packages = with pkgs; [
+            nodejs_20
+            git
+            rclone
+            typst
+          ];
+        };
+        
+      in {
+        packages = {
+          default = website;
+          website = website;
+          speaker-profile = speaker-profile;
+        };
+        
+        devShells.default = devShell;
+      });
+}