add a new workflow with a different approach for multi-platform

.github/workflows/docker.yml

@@ -0,0 +1,159 @@
+name: Build and Publish container (multi-platform)
+
+on:
+  workflow_dispatch:
+    inputs:
+      publish:
+        description: 'Publish to ghcr?'
+        required: false
+        default: 'false'
+      specific-version:
+        description: 'Publish tag with specific version? (from .env)'
+        required: true
+        default: 'true'
+      latest-version:
+        description: 'Publish tag "latest"?'
+        required: true
+        default: 'false'
+
+env:
+  IMAGE_ID_BASE: ghcr.io/axlabs/neo3-privatenet-docker/neo-cli
+  IMAGE_ID_PLUGINS: ghcr.io/axlabs/neo3-privatenet-docker/neo-cli-with-plugins
+  VERSION_LATEST: latest
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm64
+    steps:
+      - name: Prepare
+        run: |
+          platform=${{ matrix.platform }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
+
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Load .env
+        id: loadenv
+        uses: ./.github/actions/load-env
+
+      - name: Build and push base image (neo-node)
+        id: build-base-image
+        uses: docker/build-push-action@v5
+        with:
+          platforms: ${{ matrix.platform }}
+          tags: "${{ env.IMAGE_ID_BASE }}:${{ steps.loadenv.outputs.image-tag }}"
+          context: ./neo-node
+          outputs: type=image,name=${{ env.IMAGE_ID_BASE }},push-by-digest=true,name-canonical=true,push=true
+
+      - name: Build and push neo-cli-with-plugins
+        id: build-plugins-image
+        uses: docker/build-push-action@v5
+        with:
+          platforms: ${{ matrix.platform }}
+          tags: "${{ env.IMAGE_ID_PLUGINS }}:${{ steps.loadenv.outputs.image-tag }}"
+          file: ./docker/Dockerfile
+          target: NeoCliFinal
+          build-args: IMAGE_TAG=${{ steps.loadenv.outputs.image-tag }}
+          context: ./neo-modules
+          outputs: type=image,name=${{ env.IMAGE_ID_PLUGINS }},push-by-digest=true,name-canonical=true,push=true
+
+      - name: Export digest - base image
+        run: |
+          mkdir -p /tmp/digests-base-image
+          digest="${{ steps.build-base-image.outputs.digest }}"
+          touch "/tmp/digests-base-image/${digest#sha256:}"
+
+      - name: Export digest - neo-cli-with-plugins
+        run: |
+          mkdir -p /tmp/digests-plugins-image
+          digest="${{ steps.build-plugins-image.outputs.digest }}"
+          touch "/tmp/digests-plugins-image/${digest#sha256:}"
+          
+      - name: Upload digest - base image
+        uses: actions/upload-artifact@v4
+        with:
+          name: digests-base-image-${{ env.PLATFORM_PAIR }}
+          path: /tmp/digests-base-image/*
+          if-no-files-found: error
+          retention-days: 1
+
+      - name: Upload digest - neo-cli-with-plugins
+        uses: actions/upload-artifact@v4
+        with:
+          name: digests-plugins-image-${{ env.PLATFORM_PAIR }}
+          path: /tmp/digests-plugins-image/*
+          if-no-files-found: error
+          retention-days: 1
+
+  merge:
+    runs-on: ubuntu-latest
+    needs:
+      - build
+    steps:
+      - name: Load .env
+        id: loadenv
+        uses: ./.github/actions/load-env
+
+      - name: Download digests - base image
+        uses: actions/download-artifact@v4
+        with:
+          path: /tmp/digests-base-image
+          pattern: digests-base-image-*
+          merge-multiple: true
+
+      - name: Download digests - neo-cli-with-plugins
+        uses: actions/download-artifact@v4
+        with:
+          path: /tmp/digests-plugins-image
+          pattern: digests-plugins-image-*
+          merge-multiple: true
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Create manifest list and push - base image
+        working-directory: /tmp/digests-base-image
+        run: |
+          docker buildx imagetools create -t ${{ env.IMAGE_ID_BASE }}:${{ steps.loadenv.outputs.image-tag }} \
+            $(printf '${{ env.IMAGE_ID_BASE }}@sha256:%s ' *)
+
+      - name: Create manifest list and push - neo-cli-with-plugins
+        working-directory: /tmp/digests-plugins-image
+        run: |
+          docker buildx imagetools create -t ${{ env.IMAGE_ID_PLUGINS }}:${{ steps.loadenv.outputs.image-tag }} \
+            $(printf '${{ env.IMAGE_ID_PLUGINS }}@sha256:%s ' *)
+            
+      - name: Inspect image - base image
+        run: |
+          docker buildx imagetools inspect ${{ env.IMAGE_ID_BASE }}:${{ steps.loadenv.outputs.image-tag }}
+
+      - name: Inspect image - neo-cli-with-plugins
+        run: |
+          docker buildx imagetools inspect ${{ env.IMAGE_ID_PLUGINS }}:${{ steps.loadenv.outputs.image-tag }}