deploy docs

.github/workflows/deploy-docs.yml

@@ -0,0 +1,77 @@
+name: Deploy Astro site to Pages
+
+on:
+  push:
+    branches: ["master"]
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
+# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+env:
+  BUILD_PATH: "./docs" 
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Detect package manager
+        id: detect-package-manager
+        uses: oven-sh/setup-bun@v2
+        run: |
+          echo "manager=bun" >> $GITHUB_OUTPUT \
+          echo "command=install" >> $GITHUB_OUTPUT \
+          echo "runner=bun" >> $GITHUB_OUTPUT \
+          echo "lockfile=bun.lockb" >> $GITHUB_OUTPUT \
+          exit 0
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+          cache: ${{ steps.detect-package-manager.outputs.manager }}
+          cache-dependency-path: ${{ env.BUILD_PATH }}/${{ steps.detect-package-manager.outputs.lockfile }}
+
+      - name: Setup Pages
+        id: pages
+        uses: actions/configure-pages@v5
+
+      - name: Install dependencies
+        run: ${{ steps.detect-package-manager.outputs.manager }} ${{ steps.detect-package-manager.outputs.command }}
+        working-directory: ${{ env.BUILD_PATH }}
+
+      - name: Build with Astro
+        run: |
+          ${{ steps.detect-package-manager.outputs.runner }} astro build \
+            --site "${{ steps.pages.outputs.origin }}" \
+            --base "${{ steps.pages.outputs.base_path }}"
+        working-directory: ${{ env.BUILD_PATH }}
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: ${{ env.BUILD_PATH }}/dist
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    needs: build
+    runs-on: ubuntu-latest
+    name: Deploy
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4
+

docs/astro.config.mjs

@@ -5,6 +5,8 @@ import react from '@astrojs/react';
 
 // https://astro.build/config
 export default defineConfig({
+  site: 'https://postrockreverb.github.io/derived',
+  base: 'derived',
   integrations: [
     starlight({
       title: '@postrockreverb/derived',