diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 9fe6b87..c913313 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -7,7 +7,9 @@
 
   // Features to add to the dev container. More info: https://containers.dev/features.
   "features": {
-    "ghcr.io/devcontainers-contrib/features/pre-commit:2": {}
+    "ghcr.io/devcontainers-contrib/features/pre-commit:2": {},
+    "ghcr.io/devcontainers/features/docker-in-docker": {},
+    "ghcr.io/devcontainers-contrib/features/act:1": {}
   },
 
   // Use 'forwardPorts' to make a list of ports inside the container available locally.
@@ -16,10 +18,11 @@
     4000,
     // Live reload server
     35729
-  ]
+  ],
 
   // Uncomment the next line to run commands after the container is created.
-  // "postCreateCommand": "jekyll --version"
+  // git config --global --add safe.directory /workspaces/blackpythondevs.github.io
+  "postCreateCommand": "python3 -m pip install black pytest-playwright && python3 -m playwright install --with-deps"
 
   // Configure tool-specific properties.
   // "customizations": {},
diff --git a/.gitattributes b/.gitattributes
index e81c44d..8de86f8 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,16 +1,18 @@
 * text=auto
 
-* .md text
-* .html text
-* .css text
-* .js text
-* .yml text
-* .xml text
+* .md text eol=lf
+* .html text eol=lf
+* .css text eol=lf
+* .js text eol=lf
+* .yml text eol=lf
+* .xml text eol=lf
 
-* .bat eol=crlf
+* .bat text eol=crlf
 
-* .sh eol=lf
+* .sh text eol=lf
 
 * .png binary
 * .jpg binary
 * .gif binary
+
+_site/* -text -diff -merge
diff --git a/.github/workflows/playwright.yml b/.github/workflows/playwright.yml
index 8e25401..22f10f6 100644
--- a/.github/workflows/playwright.yml
+++ b/.github/workflows/playwright.yml
@@ -1,9 +1,12 @@
 name: Playwright Tests
+# https://devblogs.microsoft.com/python/announcing-playwright-for-python-reliable-end-to-end-testing-for-the-web/
+# https://github.com/marketplace/actions/run-playwright-tests
 
 on:
   push:
     branches:
       - gh-pages
+  workflow_dispatch:
 
 jobs:
   test:
@@ -17,10 +20,13 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install playwright pytest pytest-playwright
+          pip install -r requirements-dev.txt
           python -m playwright install --with-deps
-      - name: Sleep for 30 seconds
-        run: sleep 45s
-        shell: bash
-      - name: Run tests
-        run: python -m pytest
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          bundler-cache: true
+      - name: Jekyll detached and pytest
+        run: |
+          bundle exec jekyll serve --detach
+          python -m pytest
diff --git a/.gitignore b/.gitignore
index 29ebeb7..840c086 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,5 +3,6 @@ _site
 venv
 .venv
 .jekyll-metadata
-*/__pycache__
+**/__pycache__
 .pytest_cache
+bin/
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 14bfd45..70a6f43 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -27,3 +27,7 @@ repos:
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]
+  - repo: https://github.com/psf/black
+    rev: 23.9.1
+    hooks:
+      - id: black
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000..be94e6f
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+3.2.2
diff --git a/_articles/es/community.md b/_articles/es/community.md
new file mode 100644
index 0000000..1477491
--- /dev/null
+++ b/_articles/es/community.md
@@ -0,0 +1,9 @@
+---
+layout: index
+lang: es
+title: Comunidad
+---
+
+# Comunidad
+
+Esta es la página de ejemplo Comunidad
diff --git a/_articles/es/conferences.md b/_articles/es/conferences.md
new file mode 100644
index 0000000..d318782
--- /dev/null
+++ b/_articles/es/conferences.md
@@ -0,0 +1,9 @@
+---
+layout: index
+lang: es
+title: Conferencias
+---
+
+# Conferencias
+
+Esta es la página de ejemplo Conferencias
diff --git a/_articles/es/events.md b/_articles/es/events.md
new file mode 100644
index 0000000..57b460f
--- /dev/null
+++ b/_articles/es/events.md
@@ -0,0 +1,9 @@
+---
+layout: index
+lang: es
+title: Eventos
+---
+
+# Eventos
+
+Esta es la página de ejemplo Eventos
diff --git a/_config.yml b/_config.yml
index f115e5f..3e3ca22 100644
--- a/_config.yml
+++ b/_config.yml
@@ -63,6 +63,8 @@ exclude:
   - vendor
   - venv
   - .venv
+  - requirements*.txt
+  - pytest.ini
 # timezone: America/Toronto
 
 permalink: "/:path/"
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 0000000..7f1d01e
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,3 @@
+[pytest]
+python_files = *.py
+addopts = -v
diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 0000000..f2c92ba
--- /dev/null
+++ b/requirements-dev.txt
@@ -0,0 +1,3 @@
+black
+pre-commit
+pytest-playwright
diff --git a/tests/test.py b/tests/test.py
index f34455f..c970c23 100644
--- a/tests/test.py
+++ b/tests/test.py
@@ -1,9 +1,7 @@
-
 import pytest
 from playwright.sync_api import Page, expect
 
-
-live_server_url = "https://blackpythondevs.github.io"
+live_server_url = "http://127.0.0.1:4000"
 
 routes = [
     ("about.html"),
@@ -12,18 +10,9 @@
     ("events.html"),
 ]
 
-@pytest.mark.parametrize("url", routes)
-def test_destination_options(
-    page: Page,
-    url: str,
-):
-    """Test that the destinations page loads with seeded data"""
-    # Create a destination
-    page.goto(f"{live_server_url}/{url}")
-    page.on("response", lambda response: expect(response.status).to_equal(200))
 
 @pytest.mark.parametrize("url", routes)
-def test_destination_(
+def test_destination(
     page: Page,
     url: str,
 ) -> None:
@@ -32,17 +21,23 @@ def test_destination_(
     page.goto(f"{live_server_url}/{url}")
     page.on("response", lambda response: expect(response.status).to_equal(200))
 
+
 @pytest.mark.parametrize(
-        "title, url",(
-        ("Acerca de", '/es/about/'),
+    "title, url",
+    (
+        ("Acerca de", "/es/about/"),
         ("Inicio", "/es/"),
         ("Eventos", "/es/events/"),
         ("Comunidad", "/es/community/"),
         ("Conferencias", "/es/conferences/"),
-        )
+    ),
 )
-def test_headers_in_language(page: Page, title:str, url:str) -> None:
-    page.goto("https://blackpythondevs.github.io/")
+def test_headers_in_language(page: Page, title: str, url: str) -> None:
+    page.goto(live_server_url)
+    lang = page.evaluate("document.documentElement.lang")
+    assert lang == "en"
     page.get_by_label("Language").select_option("es")
     page.get_by_role("link", name=title).click()
-    expect(page).to_have_url(f"https://blackpythondevs.github.io{url}")
+    expect(page).to_have_url(f"{live_server_url}{url}")
+    lang = page.evaluate("document.documentElement.lang")
+    assert lang == "es"