workflow is in

.github/workflows/ci-arm-build.yml

@@ -0,0 +1,51 @@
+name: CI ARM64 Build and Push
+
+on:
+  # push:
+  #   branches:
+  #     - "master"
+  #   tags-ignore:
+  #     - "*"
+  # pull_request:
+  #   branches-ignore:
+  #     - "*"
+  workflow_dispatch:
+
+jobs:
+  build-and-push-arm64:
+    if: github.ref == 'refs/heads/master'
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-22.04]
+        python: ["3.11"]
+    env:
+      # secrets can be set in settings/secrets on github
+      DOCKER_REGISTRY: ${{ secrets.DOCKER_REGISTRY }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: setup QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: setup docker buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          driver: docker-container
+      - name: expose github runtime for buildx
+        uses: crazy-max/ghaction-github-runtime@v3
+      - name: show system environs
+        run: ./ci/helpers/show_system_versions.bash
+      - name: login to Dockerhub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: build & push images
+        run: |
+          export DOCKER_IMAGE_TAG=$(exec ci/helpers/build_docker_image_tag.bash)-arm64
+          export DOCKER_TARGET_PLATFORMS=linux/arm64
+          make build push=true
+      - name: fuse images in the registry
+        run: |
+          export DOCKER_IMAGE_TAG=$(exec ci/helpers/build_docker_image_tag.bash)
+          make docker-image-fuse

Makefile

@@ -867,3 +867,8 @@ release-staging release-prod: .check-on-master-branch  ## Helper to create a sta
 .PHONY: release-hotfix release-staging-hotfix
 release-hotfix release-staging-hotfix: ## Helper to create a hotfix release in Github (usage: make release-hotfix version=1.2.4 git_sha=optional or make release-staging-hotfix name=Sprint version=2)
 	$(create_github_release_url)
+
+.PHONY: docker-image-fuse
+docker-image-fuse:
+	$(foreach service, $(SERVICES_NAMES_TO_BUILD),\
+		docker buildx imagetools --tag $(DOCKER_REGISTRY)/$(service):$(DOCKER_IMAGE_TAG) $(DOCKER_REGISTRY)/$(service):$(DOCKER_IMAGE_TAG)-arm64 $(DOCKER_REGISTRY)/$(service):$(DOCKER_IMAGE_TAG))