diff --git a/.forgejo/workflows/book-pr.yaml b/.forgejo/workflows/book-pr.yaml
new file mode 100644
index 0000000..cde53e6
--- /dev/null
+++ b/.forgejo/workflows/book-pr.yaml
@@ -0,0 +1,58 @@
+name: "Book - PR"
+
+on:
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+
+concurrency:
+  group: page-preview
+  cancel-in-progress: false
+
+jobs:
+  createPreview:
+    runs-on: nix
+    env:
+      SITE_ORIGIN:
+        "https://${{ forge.event.repository.owner.username
+        }}.preview.codeberg.page"
+      SITE_BASEPATH:
+        "/${{ forge.event.repository.name }}@${{ forge.event.number }}/"
+    steps:
+      - uses: actions/checkout@v4
+      - uses: https://codeberg.org/icewind/attic-action@v1
+        with:
+          name: link
+          instance: https://cache.icewind.link
+          authToken: "${{ secrets.ATTIC_TOKEN }}"
+      - name: Build
+        run: |
+          # git-pages/action doesn't like symlinks
+          cp -r $(nix build .#haze-book --print-out-paths --no-link) dist
+      - name: "Deploy Site"
+        uses: https://code.forgejo.org/actions/git-pages@v2
+        with:
+          site: "${{ env.SITE_ORIGIN }}${{ env.SITE_BASEPATH }}" #
+          token: "${{ forge.token }}" #
+          source: "dist/" #
+      - name: "Find comment"
+        uses: "https://github.com/peter-evans/find-comment@v4" #
+        id: comment
+        with:
+          issue-number: ${{ forge.event.number }} #
+          body-includes: "<!-- preview-comment -->" #
+      - name: "Create or update comment"
+        uses: "https://github.com/peter-evans/create-or-update-comment@v5" #
+        with:
+          issue-number: ${{ forge.event.number }} #
+          comment-id: "${{ steps.comment.outputs.comment-id }}" #
+          edit-mode: "replace"
+          body: |-
+            # Pull request preview ready!
+
+            The Preview of commit ${{ forge.event.pull_request.head.sha }} has been created.
+            You can find it here: ${{ env.SITE_ORIGIN }}${{ env.SITE_BASEPATH }}
+
+            <!-- preview-comment -->
diff --git a/.forgejo/workflows/book.yaml b/.forgejo/workflows/book.yaml
new file mode 100644
index 0000000..05b4f11
--- /dev/null
+++ b/.forgejo/workflows/book.yaml
@@ -0,0 +1,29 @@
+name: "Book"
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  preview:
+    runs-on: nix
+    env:
+      SITE_ORIGIN: "${{forge.event.repository.owner.username}}.codeberg.page"
+      SITE_BASEPATH: "/${{forge.event.repository.name}}/"
+    steps:
+      - uses: actions/checkout@v4
+      - uses: https://codeberg.org/icewind/attic-action@v1
+        with:
+          name: link
+          instance: https://cache.icewind.link
+          authToken: "${{ secrets.ATTIC_TOKEN }}"
+      - name: Build
+        run: |
+          # git-pages/action doesn't like symlinks
+          cp -r $(nix build .#haze-book --print-out-paths --no-link) dist
+      - uses: https://codeberg.org/git-pages/action@v2
+        with:
+          site: https://${{ env.SITE_ORIGIN }}${{ env.SITE_BASEPATH }}
+          token: ${{ forge.token }}
+          source: dist/
diff --git a/flake.nix b/flake.nix
index bde0f45..b9efaaa 100644
--- a/flake.nix
+++ b/flake.nix
@@ -55,6 +55,7 @@
         "haze-image-php-8.2" = pkgs: pkgs.haze-image-php-82;
         "haze-image-php-8.1" = pkgs: pkgs.haze-image-php-81;
         "haze-image-php-8.0" = pkgs: pkgs.haze-image-php-80;
+        haze-book = pkgs: pkgs.haze-book;
       };
 
       tools = pkgs:
diff --git a/nix/book.nix b/nix/book.nix
new file mode 100644
index 0000000..a1b1442
--- /dev/null
+++ b/nix/book.nix
@@ -0,0 +1,20 @@
+{
+  mdbook,
+  stdenv,
+  ...
+}:
+stdenv.mkDerivation {
+  name = "haze-book";
+  src = ../book;
+
+  nativeBuildInputs = [mdbook];
+
+  buildPhase = ''
+    mdbook build
+  '';
+
+  installPhase = ''
+    mkdir -p $out
+    cp -r book/* $out/
+  '';
+}
diff --git a/nix/overlay.nix b/nix/overlay.nix
index 276b70e..030b559 100644
--- a/nix/overlay.nix
+++ b/nix/overlay.nix
@@ -6,4 +6,5 @@ final: prev: {
   haze-image-php-82 = final.callPackage ./image/haze.nix {php = final.php82;};
   haze-image-php-81 = final.callPackage ./image/haze.nix {php = final.php81;};
   haze-image-php-80 = final.callPackage ./image/haze.nix {php = final.php80;};
+  haze-book = final.callPackage ./book.nix {};
 }