Update workflow with native runners

.github/workflows/docker-publish.yml

@@ -6,28 +6,20 @@ on:
       - next
 
 jobs:
-  build:
+  # Prepare metadata and tags for all builds
+  prepare:
     runs-on: ubuntu-latest
-    permissions:
+    outputs:
-      contents: read
+      is_release: ${{ steps.check-release.outputs.is_release }}
-      packages: write
+      release_tag: ${{ steps.check-release.outputs.release_tag }}
-      attestations: write
+      tags: ${{ steps.tags.outputs.tags }}
-      id-token: write
+      image: ${{ steps.tags.outputs.image }}
-
     steps:
       - name: Checkout
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
-      - name: Setup Turborepo cache
-        uses: actions/cache@v4
-        with:
-          path: .turbo
-          key: ${{ runner.os }}-turbo-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-turbo-
-
       - name: Check if this commit is a release
         id: check-release
         run: |
@@ -64,26 +56,11 @@ jobs:
             fi
           fi
 
-      - name: Free disk space
-        run: |
-          sudo rm -rf /usr/share/dotnet /usr/local/lib/android /opt/ghc /opt/hostedtoolcache/CodeQL
-          docker system prune -af --volumes
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-        with:
-          buildkitd-flags: --debug
-
-      - name: Log in to GHCR
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
       - name: Compute tags
         id: tags
         run: |
+          IMAGE="ghcr.io/${{ github.repository }}"
+
           if [[ "${{ steps.check-release.outputs.is_release }}" == "true" ]]; then
             # This is a release: use semver tags
             TAG="${{ steps.check-release.outputs.release_tag }}"
@@ -99,31 +76,145 @@ jobs:
             echo "Building COMMIT with tags: $TAGS"
           fi
           echo "tags=$TAGS" >> $GITHUB_OUTPUT
+          echo "image=$IMAGE" >> $GITHUB_OUTPUT
 
-      - name: Build and push
+  # Build natively on each platform (faster, no QEMU emulation)
+  build:
+    needs: prepare
+    runs-on: ${{ matrix.runner }}
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      matrix:
+        include:
+          - platform: linux/amd64
+            runner: ubuntu-latest
+          - platform: linux/arm64
+            runner: ubuntu-24.04-arm
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Turborepo cache
+        uses: actions/cache@v4
+        with:
+          path: .turbo
+          key: ${{ runner.os }}-${{ runner.arch }}-turbo-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-${{ runner.arch }}-turbo-
+
+      - name: Free disk space
         run: |
-          IMAGE="ghcr.io/${{ github.repository }}"
+          sudo rm -rf /usr/share/dotnet /usr/local/lib/android /opt/ghc /opt/hostedtoolcache/CodeQL
-          TAGS="${{ steps.tags.outputs.tags }}"
+          docker system prune -af --volumes
 
-          docker buildx build \
+      - name: Set up Docker Buildx
-            --platform linux/amd64,linux/arm64 \
+        uses: docker/setup-buildx-action@v3
-            --push \
+
-            $(echo "$TAGS" | tr ',' '\n' | sed "s|^|--tag ${IMAGE}:|") \
+      - name: Log in to GHCR
-            --cache-from type=gha \
+        uses: docker/login-action@v3
-            --cache-to type=gha,mode=max \
+        with:
-            --build-arg BUILDTIME="$(date -u +'%Y-%m-%dT%H:%M:%SZ')" \
+          registry: ghcr.io
-            --build-arg VERSION="${{ github.ref_name }}" \
+          username: ${{ github.actor }}
-            --build-arg REVISION="${{ github.sha }}" \
+          password: ${{ secrets.GITHUB_TOKEN }}
-            .
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ needs.prepare.outputs.image }}
+
+      - name: Build and push by digest
+        id: build
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: ${{ matrix.platform }}
+          push: true
+          labels: ${{ steps.meta.outputs.labels }}
+          outputs: type=image,name=${{ needs.prepare.outputs.image }},push-by-digest=true,name-canonical=true,push=true
+          cache-from: type=gha,scope=${{ matrix.platform }}
+          cache-to: type=gha,mode=max,scope=${{ matrix.platform }}
+          build-args: |
+            BUILDTIME=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.created'] }}
+            VERSION=${{ github.ref_name }}
+            REVISION=${{ github.sha }}
+
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+
+      - name: Upload digest
+        uses: actions/upload-artifact@v4
+        with:
+          name: digests-${{ strategy.job-index }}
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  # Merge platform-specific images into multi-arch manifest
+  merge:
+    needs: [prepare, build]
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+    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: Log in to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Create manifest list and push
+        working-directory: /tmp/digests
+        run: |
+          IMAGE="${{ needs.prepare.outputs.image }}"
+          TAGS="${{ needs.prepare.outputs.tags }}"
+
+          # Convert comma-separated tags to array and create docker tag arguments
+          TAG_ARGS=""
+          IFS=',' read -ra TAG_ARRAY <<< "$TAGS"
+          for tag in "${TAG_ARRAY[@]}"; do
+            TAG_ARGS="$TAG_ARGS -t ${IMAGE}:${tag}"
+          done
+
+          # Create and push manifest using all digests
+          docker buildx imagetools create $TAG_ARGS \
+            $(printf '${{ needs.prepare.outputs.image }}@sha256:%s ' *)
+
+      - name: Inspect image
+        run: |
+          IMAGE="${{ needs.prepare.outputs.image }}"
+          TAGS="${{ needs.prepare.outputs.tags }}"
+          FIRST_TAG=$(echo "$TAGS" | cut -d',' -f1)
+          docker buildx imagetools inspect ${IMAGE}:${FIRST_TAG}
 
       - name: Summary
         run: |
-          IMAGE="ghcr.io/${{ github.repository }}"
+          IMAGE="${{ needs.prepare.outputs.image }}"
-          TAGS="${{ steps.tags.outputs.tags }}"
+          TAGS="${{ needs.prepare.outputs.tags }}"
           echo "## Docker Image Published 🚀" >> $GITHUB_STEP_SUMMARY
           echo "" >> $GITHUB_STEP_SUMMARY
-          if [[ "${{ steps.check-release.outputs.is_release }}" == "true" ]]; then
+          if [[ "${{ needs.prepare.outputs.is_release }}" == "true" ]]; then
-            echo "**Type:** Release (${{ steps.check-release.outputs.release_tag }})" >> $GITHUB_STEP_SUMMARY
+            echo "**Type:** Release (${{ needs.prepare.outputs.release_tag }})" >> $GITHUB_STEP_SUMMARY
           else
             echo "**Type:** Commit (sha-${GITHUB_SHA:0:7})" >> $GITHUB_STEP_SUMMARY
           fi

Dockerfile

@@ -182,6 +182,8 @@ RUN mkdir -p \
 # Stage 3: Production Runtime
 # ============================================
 FROM node:20-alpine AS runner
+ARG TARGETPLATFORM
+ARG BUILDPLATFORM
 WORKDIR /app
 
 # Install OpenSSL for Prisma, curl for health checks, nginx, and gettext (for envsubst)