Deploy docs to GitHub Pages (#5)

.github/workflows/publish-docs.yml

@@ -0,0 +1,48 @@
+name: deploy
+
+on:
+  push:
+    branches:
+      - main
+
+  # Enable running this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# Set permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow one concurrent deployment
+concurrency:
+  group: pages
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+    - name: Setup Pages
+      uses: actions/configure-pages@v3
+    - name: Use docs folder
+      run: cd docs/
+    - name: Install dependencies
+      run: npm ci
+    - name: Build with Eleventy
+      run: npm run-script build
+    - name: Upload artifact
+      uses: actions/upload-pages-artifact@v1
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v1

docs/eleventy.config.js

@@ -48,6 +48,10 @@ module.exports = function(eleventyConfig) {
     dir: {
       // Use layouts from the plugin
       layouts: 'node_modules/@x-govuk/govuk-eleventy-plugin/layouts'
-    }
+    },
+    pathPrefix: process.env.GITHUB_ACTIONS
+      ? '/govuk-rspec-helpers/'
+      : '/'
+      }
   }
 };