diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
new file mode 100644
index 000000000..0b5afd9d0
--- /dev/null
+++ b/.github/workflows/deploy.yml
@@ -0,0 +1,34 @@
+name: Deploy Jupyter Book to GitHub Pages
+
+on:
+  push:
+    branches:
+      - options-doc
+
+permissions:
+  contents: write
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+
+      - name: Install Jupyter Book and sphinx-tags
+        run: pip install -U jupyter-book sphinx-tags
+
+      - name: Build Jupyter Book
+        run: jupyter-book build DISCOVER/
+
+      - name: Deploy to gh-pages branch
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: DISCOVER/_build/html
+          publish_branch: gh-pages
diff --git a/DISCOVER/404.md b/DISCOVER/404.md
new file mode 100644
index 000000000..d9bf0529b
--- /dev/null
+++ b/DISCOVER/404.md
@@ -0,0 +1,51 @@
+# 🚫 <span id="title">404 - Page Not Found</span>
+
+<p id="message">Oops! It looks like the page you're looking for has wandered off.</p>
+
+<p id="suggestion">Maybe it was deleted, renamed, or never existed in the first place.</p>
+
+---
+
+### <span id="what-do">What can you do?</span>
+
+- <a href="./intro.html" id="home">Return to the homepage</a>  
+- <a href="https://github.com/numfocus/DISCOVER-Cookbook/issues" id="report">Raise an issue</a>
+
+---
+
+<p id="footer">If you think this is an error, let us know by creating an issue.</p>
+
+<script>
+const translations = {
+  en: {
+    title: "404 - Page Not Found",
+    message: "Oops! It looks like the page you're looking for has wandered off.",
+    suggestion: "Maybe it was deleted, renamed, or never existed in the first place.",
+    whatDo: "What can you do?",
+    home: "Return to the homepage",
+    report: "Raise an issue",
+    footer: "If you think this is an error, let us know by creating an issue."
+  },
+  es: {
+    title: "Página No Encontrada",
+    message: "¡Ups! Parece que la página que buscas se ha extraviado.",
+    suggestion: "Tal vez fue eliminada, renombrada o nunca existió.",
+    whatDo: "¿Qué puedes hacer?",
+    home: "Volver a la página principal",
+    report: "Abre un issue",
+    footer: "Si crees que esto es un error, infórmanos creando un issue."
+  }
+  // Add more translations as needed
+};
+
+const lang = (navigator.language || "en").split("-")[0];
+const t = translations[lang] || translations["en"];
+
+document.getElementById("title").textContent = t.title;
+document.getElementById("message").textContent = t.message;
+document.getElementById("suggestion").textContent = t.suggestion;
+document.getElementById("what-do").textContent = t.whatDo;
+document.getElementById("home").textContent = t.home;
+document.getElementById("report").textContent = t.report;
+document.getElementById("footer").textContent = t.footer;
+</script>
diff --git a/DISCOVER/bad-page.md b/DISCOVER/bad-page.md
deleted file mode 100644
index 22d45975b..000000000
--- a/DISCOVER/bad-page.md
+++ /dev/null
@@ -1,16 +0,0 @@
-# 🚫 404 - Page Not Found
-
-Oops! It looks like the page you're looking for has wandered off.
-
-Maybe it was deleted, renamed, or never existed in the first place.
-
----
-
-### What can you do?
-
-- [Return to the homepage](./intro.md)
-- Found a broken link? [Raise an issue](https://github.com/numfocus/DISCOVER-Cookbook/issues)
-
----
-
-If you think this is an error, let us know by creating an issue. Thanks for helping us keep everything on track!