add github action for building and deployment

.github/workflows/build-and-deploy.yml

@@ -0,0 +1,34 @@
+name: Build and Deploy
+on:
+  push:
+    branches:
+      - main
+env:
+  AWS_DEFAULT_REGION: 'ap-southeast-1'
+  BUILD_DIR: ./_site
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+      - name: Install dependencies
+        run: npm install
+      - name: Build pages
+        run: npm build
+      - name: Upload to S3
+        run: aws s3 sync $BUILD_DIR $WEBSITE_S3
+        env:
+          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          WEBSITE_S3: ${{ secrets.WEBSITE_S3 }}
+      - name: Create Invalidation
+        run: aws cloudfront create-invalidation --distribution-id $WEBSITE_DISTRIBUTION_ID --paths '/*'
+        env:
+          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          WEBSITE_DISTRIBUTION_ID: ${{ secrets.WEBSITE_DISTRIBUTION_ID }}