diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
new file mode 100644
index 0000000..bebad2c
--- /dev/null
+++ b/.github/workflows/deploy.yml
@@ -0,0 +1,25 @@
+name: Deploy
+
+on:
+  # Run this workflow whenever a new commit is pushed to main.
+  push: {branches: [main]}
+  # Run this workflow when triggered manually in GitHub’s UI.
+  workflow_dispatch: {}
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+      - run: npm ci
+      - run: npm run build
+      - name: Deploy to Observable Cloud
+        # This parameter to `--message` will use the latest commit message
+        run: npm run deploy -- --message "$(git log -1 --pretty=%s)"
+        env:
+          # Authentication information. See below for how to set this up.
+          OBSERVABLE_TOKEN: ${{ secrets.OBSERVABLE_TOKEN }}
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