ci(github-actions): deploy to GitHub Pages on release

- Update GitHub Actions workflow to trigger on release publication
- Remove staging deployment steps
- Simplify configuration for production deployment
- Update site URL and base path in astro.config.mjs

Author: fulleni

.github/workflows/deploy.yml

@@ -1,15 +1,18 @@
-name: Deploy to GitHub Pages
+name: Deploy to GitHub Pages on Release
 
 on:
-  push:
-    branches:
-      - main
   release:
     types: [published]
 
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
 jobs:
-  build:
+  deploy:
     runs-on: ubuntu-latest
+    
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -26,37 +29,14 @@ jobs:
       - name: Build
         run: npm run build
 
+      - name: Setup Pages
+        uses: actions/configure-pages@v5
+
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3
         with:
           path: ./dist
 
-  deploy-staging:
-    needs: build
-    if: github.event_name == 'push'
-    runs-on: ubuntu-latest
-    permissions:
-      pages: write
-      id-token: write
-    environment:
-      name: github-pages
-      url: ${{ steps.deployment.outputs.page_url }}
-    steps:
-      - name: Deploy to GitHub Pages
-        id: deployment
-        uses: actions/deploy-pages@v4
-
-  deploy-production:
-    needs: build
-    if: github.event_name == 'release'
-    runs-on: ubuntu-latest
-    permissions:
-      pages: write
-      id-token: write
-    environment:
-      name: github-pages
-      url: ${{ steps.deployment.outputs.page_url }}
-    steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v4

astro.config.mjs

@@ -4,10 +4,8 @@ import starlight from '@astrojs/starlight';
 
 // https://astro.build/config
 export default defineConfig({
-	site: process.env.CI
-		? 'https://flutter-news-app-full-source-code.github.io'
-		: 'http://localhost:4321',
-	base: process.env.CI ? (process.env.GITHUB_EVENT_NAME === 'release' ? '/docs' : '/docs-staging') : '/',
+	site: 'https://flutter-news-app-full-source-code.github.io',
+	base: '/docs',
 	integrations: [
 		starlight({
 			title: 'Flutter News App Toolkit',
@@ -104,4 +102,4 @@ export default defineConfig({
 			],
 		}),
 	],
-});
+});