Build multiarch images on native GitHub runners

.github/workflows/ci.yaml

@@ -33,7 +33,6 @@ jobs:
     secrets: inherit
     with:
       version: ${{ needs.basic.outputs.version }}
-      build_multi_arch_images: ${{ github.ref_name == 'main' || startsWith(github.ref_name, 'release-') }}
 
   e2e-test:
     needs:

.github/workflows/image.yaml

@@ -20,26 +20,22 @@ on:
       version:
         required: true
         type: string
-      build_multi_arch_images:
-        required: true
-        type: string
 
 jobs:
   build:
-    runs-on: linux-amd64-cpu4
+    strategy:
+      matrix:
+        arch:
+          - amd64
+          - arm64
+    runs-on: linux-${{ matrix.arch }}-cpu4
     permissions:
       contents: read
       id-token: write
       packages: write
     steps:
       - uses: actions/checkout@v5
         name: Check out code
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-        with:
-          image: tonistiigi/binfmt:master
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         with:
@@ -52,10 +48,32 @@ jobs:
       - name: Build image
         env:
           IMAGE_NAME: ghcr.io/nvidia/k8s-device-plugin
-          VERSION: ${{ inputs.version }}
+          VERSION: ${{ inputs.version }}-${{ matrix.arch }}
           PUSH_ON_BUILD: true
-          BUILD_MULTI_ARCH_IMAGES: ${{ inputs.build_multi_arch_images }}
           GOPROXY: ${{ steps.setup-go-proxy.outputs.goproxy-url }}
+          DOCKER_BUILD_PLATFORM_OPTIONS: "--platform=linux/${{ matrix.arch }}"
         run: |
           echo "${VERSION}"
           make -f deployments/container/Makefile build
+
+  create-manifest:
+    needs: [ build ]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+        name: Check out code
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build Manifest
+        env:
+          MULTIARCH_IMAGE: ghcr.io/nvidia/k8s-device-plugin:${{ inputs.version }}
+        run: |
+          docker manifest create \
+            ${MULTIARCH_IMAGE} \
+            ghcr.io/nvidia/k8s-device-plugin:${{ inputs.version }}-amd64 \
+            ghcr.io/nvidia/k8s-device-plugin:${{ inputs.version }}-arm64
+          docker manifest push ${MULTIARCH_IMAGE}

deployments/container/Makefile

@@ -14,10 +14,6 @@
 
 BUILD_MULTI_ARCH_IMAGES ?= no
 DOCKER ?= docker
-BUILDX  =
-ifeq ($(BUILD_MULTI_ARCH_IMAGES),true)
-BUILDX = buildx
-endif
 MKDIR    ?= mkdir
 
 ##### Global variables #####
@@ -72,8 +68,7 @@ DOCKERFILE = $(CURDIR)/deployments/container/Dockerfile
 
 # Use a generic build target to build the relevant images
 $(IMAGE_TARGETS): image-%:
-	DOCKER_BUILDKIT=1 \
-		$(DOCKER) $(BUILDX) build --pull \
+		$(DOCKER) build --pull \
 		--provenance=false --sbom=false \
 		$(DOCKER_BUILD_OPTIONS) \
 		$(DOCKER_BUILD_PLATFORM_OPTIONS) \

deployments/container/multi-arch.mk

@@ -14,6 +14,6 @@
 
 PUSH_ON_BUILD ?= false
 DOCKER_BUILD_OPTIONS = --output=type=image,push=$(PUSH_ON_BUILD)
-DOCKER_BUILD_PLATFORM_OPTIONS = --platform=linux/amd64,linux/arm64
+DOCKER_BUILD_PLATFORM_OPTIONS ?= --platform=linux/amd64,linux/arm64
 
 $(BUILD_TARGETS): build-%: image-%