Add first CI version

.github/workflows/build_and_publish.yml

@@ -0,0 +1,48 @@
+name: ci
+
+on:
+  push:
+    branches:
+      - "main"
+    # paths:
+    #   - "Dockerfile"
+
+env:
+  NAMESPACE: ${{ secrets.DOCKERHUB_USERNAME }}
+
+jobs:
+  docker:
+    if: github.ref == 'refs/heads/main'
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        spark-version:
+          - "3.0.3"
+          - "3.1.3"
+          - "3.2.4"
+          - "3.3.3"
+          - "3.4.1"
+          - "3.5.0"
+          - "latest"
+
+    steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push image
+        uses: docker/build-push-action@v5
+        env:
+          IMAGE_NAME: spark-delta-standalone
+        with:
+          context: ${{ env.IMAGE_NAME }}
+          push: true
+          tags: ${{ env.NAMESPACE }}/${{ env.IMAGE_NAME }}:${{ matrix.spark-version }}