Update docker-push.yml

.github/workflows/docker-push.yml

@@ -20,15 +20,75 @@ env:
   IMAGE_NAME: ghcr.io/${{ github.repository }}
 
 jobs:
-  build-and-push:
-    runs-on: ubuntu-latest
-    timeout-minutes: 60
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - platform: linux/amd64
+            runs-on: ubuntu-latest
+          - platform: linux/arm64
+            runs-on: ubuntu-24.04-arm
+    runs-on: ${{ matrix.runs-on }}
+    timeout-minutes: 45
     steps:
       - 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: Log in to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Prepare platform tag
+        id: platform
+        run: |
+          platform=${{ matrix.platform }}
+          echo "pair=${platform//\//-}" >> "$GITHUB_OUTPUT"
+
+      # Push each arch to the registry by digest only — no human-readable tag
+      # yet. Digests get stitched into one multi-arch manifest by the merge
+      # job below, which is what carries the real tags (latest, sha, etc).
+      - name: Build and push (${{ matrix.platform }})
+        id: build
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: ${{ matrix.platform }}
+          outputs: type=image,name=${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
+          cache-from: type=gha,scope=${{ github.ref_name }}-${{ steps.platform.outputs.pair }}
+          cache-to: type=gha,mode=max,scope=${{ github.ref_name }}-${{ steps.platform.outputs.pair }}
+
+      - 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-${{ steps.platform.outputs.pair }}
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  merge:
+    needs: build
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    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
@@ -49,15 +109,15 @@ jobs:
             type=raw,value=${{ github.ref_name == 'dev' && 'latest' || github.ref_name }}
             type=sha,format=short,prefix=${{ github.ref_name == 'dev' && 'latest' || github.ref_name }}-
 
-      - name: Build and push
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          push: true
-          platforms: linux/amd64,linux/arm64
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=gha,scope=${{ github.ref_name }}
-          cache-to: type=gha,mode=max,scope=${{ github.ref_name }}
-          sbom: true
-          provenance: true
+      - 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.IMAGE_NAME }}@sha256:%s ' *)
+        env:
+          DOCKER_METADATA_OUTPUT_JSON: ${{ steps.meta.outputs.json }}
+
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }}