Create build_docs.yaml

Author: vpinna80

.github/workflows/build_docs.yaml

@@ -0,0 +1,49 @@
+name: "Build the docs"
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ master ]
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+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
+
+jobs:
+  build-docs:
+    name: build-docs
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Setup Java 11
+      uses: actions/setup-java@v2
+      with:
+        java-version: 11
+        distribution: "temurin"
+    - name: Build docs
+      run: |
+        mvn -Dprod site site:stage
+    - name: Upload Pages artifact
+      uses: actions/upload-pages-artifact@v2
+      with:
+        path: ./target/staging
+
+  # Deployment job
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build-docs
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2