Merge pull request #195 from evolvingweb/194-docker-image-doesnt-support-m1-chip

refs #68174: fix ci, support building multi-platform docker images

Author: robert-ngo

.github/workflows/ci.yaml

@@ -1,4 +1,4 @@
-name: Build and push to DockerHub
+name: "Build and push to DockerHub"
 
 on:
   push:
@@ -7,13 +7,27 @@ on:
 
 env:
   REGISTRY: docker.io
-  IMAGE_NAME: ${{ github.repository }}
+  REGISTRY_IMAGE: ${{ github.repository }}
 
 jobs:
-  build-deploy:
+  build:
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm/v6
+          - linux/arm/v7
+          - linux/arm64
+
     if: startsWith(github.event.ref, 'refs/tags/v')
     steps:
+      - name: "Prepare"
+        run: |
+          platform=${{ matrix.platform }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV   
+
       - name: "Check out"
         uses: actions/checkout@v4
 
@@ -31,18 +45,66 @@ jobs:
         uses: docker/metadata-action@v5
         with:
           images: |
-            ${{ env.IMAGE_NAME }}
+            ${{ env.REGISTRY_IMAGE }}
           tags: |
             type=semver,pattern={{version}}
 
-      - name: "Test Docker image"
-        run: |
-          docker run --rm -d ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
-
-      - name: "Build and push"
+      - name: Build and push by digest
+        id: build
         uses: docker/build-push-action@v6
         with:
-          context: .
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
+          platforms: ${{ matrix.platform }}
           labels: ${{ steps.meta.outputs.labels }}
+          outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true
+
+
+      - name: "Export digest"
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+
+      - name: "Upload digest"
+        uses: actions/upload-artifact@v4
+        with:
+          name: digests-${{ env.PLATFORM_PAIR }}
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  merge-push:
+    runs-on: ubuntu-latest
+    needs:
+      - build
+    steps:
+      - name: "Download digests"
+        uses: actions/download-artifact@v4
+        with:
+          path: /tmp/digests
+          pattern: digests-*
+          merge-multiple: true
+
+      - name: "Set up Docker Buildx"
+        uses: docker/setup-buildx-action@v3
+
+      - name: "Docker meta"
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY_IMAGE }}
+
+      - name: "Login to Docker Hub"
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: "Create manifest list and push"
+        working-directory: /tmp/digests
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            $(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)
+
+      - name: "Inspect image"
+        run: |
+          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}