WIP: Add build 'platforms' option. Test multi-arch build

.github/workflows/docker-image.yml

@@ -43,10 +43,10 @@ jobs:
             type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}
       
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@v3
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       - name: Login to Docker Hub
         if: github.event_name != 'pull_request'
@@ -55,16 +55,8 @@ jobs:
           username: ${{ secrets.DOCKER_HUB_USERNAME }}
           password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
 
-      #- name: Login to GHCR
-      #  if: github.event_name != 'pull_request'
-      #  uses: docker/login-action@v2
-      #  with:
-      #    registry: ghcr.io
-      #    username: ${{ github.repository_owner }}
-      #    password: ${{ secrets.GITHUB_TOKEN }}
-
       - name: Build and push Docker image
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v5
         with:
           context: .
           file: ./Dockerfile