Add docker push step for native image

.github/workflows/native-image.yml

@@ -1,4 +1,4 @@
-name: Native Image
+name: Native Image Snapshot
 
 on:
   push:
@@ -9,6 +9,7 @@ on:
 
 jobs:
   build:
+    if: "!contains(github.event.head_commit.message, 'skip ci')"
     strategy:
       matrix:
         os: [ubuntu-latest]
@@ -19,15 +20,42 @@ jobs:
       - uses: graalvm/setup-graalvm@v1
         with:
           java-version: "21" # See 'Options' section below for all supported versions
-          distribution: "graalvm" # See 'Options' section below for all available distributions
+          distribution: "graalvm-community" # See 'Options' section below for all available distributions
           github-token: ${{ secrets.GITHUB_TOKEN }}
           cache: "maven"
           native-image-job-reports: "true"
 
-      - name: Check GraalVM and Maven
+      - name: Build native image
         run: |
           echo "GRAALVM_HOME: $GRAALVM_HOME"
           echo "JAVA_HOME: $JAVA_HOME"
           java --version
           native-image --version
-          mvn --version
+          mvn package -Pnative -DskipTests
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_TOKEN }}
+
+      - name: Build and Push multi-arch native Docker images
+        uses: docker/build-push-action@v6
+        with:
+          context: ./core/Dockerfile.native
+          platforms: |
+            linux/amd64,
+            linux/arm64,
+            linux/ppc64le,
+            linux/s390x
+          push: true # push all images built
+          pull: true # pull all required images before building
+          # Tag with "latest" only if branch is master
+          tags: |
+            softinstigate/restheart-native:latest