Change to using Buildx for create layers

.github/workflows/CI.yml

@@ -38,21 +38,21 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - name: Set up Maven
-      uses: actions/setup-maven@v1
-      with:
-        java-version: 17
-    - name: Build Docker image
-      run: mvn spring-boot:build-image -Ddockerfile=Dockerfile.layers -DskipTests
-      outputs:
-        image-name: echo "${{ steps.build-image.outputs.image-id }}"
-        repository-name: echo "${{ steps.build-image.outputs.image-name }}"
+    - name: Setup Buildx
+      uses: docker/setup-buildx-action@v1
 
     - name: Login to Docker Hub
       uses: docker/login-action@v1
       with:
         username: ${{ secrets.DOCKER_USERNAME }}
         password: ${{ secrets.DOCKER_PASSWORD }}
-    - name: Push Docker image
-      run: docker push ${{ secrets.DOCKER_USERNAME }}/${{ steps.build-image.outputs.repository-name }}:${{ steps.build-image.outputs.image-tag }}
 
+    - name: Build image
+      run: mvn spring-boot:build-image -Ddockerfile=Dockerfile.layers -DskipTests
+
+    - name: Get image name
+      id: get-image-name
+      run: echo "${{ steps.build.outputs.IMAGE_NAME }}"
+
+    - name: Push image
+      run: docker push ${{ steps.get-image-name.outputs.IMAGE_NAME }}