feat(ci): Workflow to build heartbeats processor images

.github/workflows/docker-heartbeats-processor.yaml

@@ -0,0 +1,105 @@
+name: Heartbeats Processor Docker Build
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version tag for the image'
+        required: true
+        type: string
+
+env:
+  REGISTRY_IMAGE: openmina/heartbeats-processor
+
+jobs:
+  build-heartbeat-processor-image:
+    strategy:
+      matrix:
+        arch:
+          - platform: linux/amd64
+            runs-on: ubuntu-latest
+          - platform: linux/arm64
+            runs-on: ubuntu-arm64
+    runs-on: ${{ matrix.arch.runs-on }}
+    steps:
+      - name: Prepare
+        run: |
+          platform=${{ matrix.arch.platform }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
+
+      - name: Git checkout
+        uses: actions/checkout@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push by digest
+        id: build
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./tools/heartbeats-processor/Dockerfile
+          platforms: ${{ matrix.arch.platform }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          outputs: type=image,name=${{ 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: heartbeat-processor-digests-${{ env.PLATFORM_PAIR }}
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  merge-heartbeat-processor-image:
+    runs-on: ubuntu-latest
+    needs:
+      - build-heartbeat-processor-image
+    steps:
+      - name: Download digests
+        uses: actions/download-artifact@v4
+        with:
+          path: /tmp/digests
+          pattern: heartbeat-processor-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: ${{ env.REGISTRY_IMAGE }}
+          tags: |
+            type=sha,format=short
+            type=raw,value=${{ inputs.version }},enable=${{ inputs.version != '' }}
+            type=raw,value=v${{ inputs.version }},enable=${{ inputs.version != '' }}
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      - 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 }}