ci: build Linux aarch64 binaries (#432)

.github/workflows/static.yaml

@@ -16,22 +16,61 @@ on:
         required: false
         type: string
   schedule:
-    - cron:  '0 0 * * *'  
+    - cron:  '0 0 * * *'
 jobs:
   prepare:
     runs-on: ubuntu-latest
     outputs:
-      ref: ${{ steps.ref.outputs.ref || (github.event_name == 'workflow_dispatch' && inputs.version) || '' }}
+      push: ${{ toJson((steps.check.outputs.ref || (github.event_name == 'workflow_dispatch' && inputs.version) || startsWith(github.ref, 'refs/tags/') || (github.ref == 'refs/heads/main' && github.event_name != 'pull_request')) && true || false) }}
+      platforms: ${{ steps.matrix.outputs.platforms }}
+      metadata: ${{ steps.matrix.outputs.metadata }}
+      ref: ${{ steps.check.outputs.ref }}
     steps:
       -
-        name: Get latest release
-        id: ref
+        name: Get version
+        id: check
         if: github.event_name == 'schedule'
-        run: echo ref="$(gh release view --repo dunglas/frankenphp --json tagName --jq '.tagName')" >> "${GITHUB_OUTPUT}"
+        run: |
+          ref="${{ (github.ref_type == 'tag' && github.ref_name) || (github.event_name == 'workflow_dispatch' && inputs.version) || '' }}"
+          if [[ -z "${ref}" ]]; then
+            ref="$(gh release view --repo dunglas/frankenphp --json tagName --jq '.tagName')"
+          fi
+
+          echo "ref=${ref}" >> "${GITHUB_OUTPUT}"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      -
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ steps.check.outputs.ref }}
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          version: latest
+      -
+        name: Create platforms matrix
+        id: matrix
+        run: |
+          METADATA="$(docker buildx bake --print static-builder | jq -c)"
+          {
+            echo metadata="${METADATA}"
+            echo platforms="$(jq -c 'first(.target[]) | .platforms' <<< "${METADATA}")"
+          } >> "${GITHUB_OUTPUT}"
+        env:
+          SHA: ${{ github.sha }}
+          VERSION: ${{ steps.check.outputs.ref || github.sha }}
   build-linux:
-    name: Build Linux x86_64 binary
+    strategy:
+      fail-fast: false
+      matrix:
+        platform: ${{ fromJson(needs.prepare.outputs.platforms) }}
+        include:
+          - race: ""
+            qemu: true
+          - platform: linux/amd64
+            qemu: false
+    name: Build ${{ matrix.platform }} static binary
     runs-on: ubuntu-latest
     needs: [ prepare ]
     steps:
@@ -39,55 +78,133 @@ jobs:
         uses: actions/checkout@v4
         with:
           ref: ${{ needs.prepare.outputs.ref }}
+      -
+        name: Set up QEMU
+        if: matrix.qemu
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: ${{ matrix.platform }}
       -
         name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
         with:
+          platforms: ${{ matrix.platform }}
           version: latest
       -
         name: Login to DockerHub
-        if: needs.prepare.outputs.ref || startsWith(github.ref, 'refs/tags/') || (github.ref == 'refs/heads/main' && github.event_name != 'pull_request')
+        if: ${{ fromJson(needs.prepare.outputs.push) }}
         uses: docker/login-action@v3
         with:
-          username: ${{secrets.REGISTRY_USERNAME}}
-          password: ${{secrets.REGISTRY_PASSWORD}}    
+          username: ${{ secrets.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}    
       -
         name: Build
         id: build
         uses: docker/bake-action@v4
         with:
           pull: true
-          load: ${{ (!needs.prepare.outputs.ref && !startsWith(github.ref, 'refs/tags/') && (github.ref != 'refs/heads/main' || github.event_name == 'pull_request')) && true || false }}
-          push: ${{ (needs.prepare.outputs.ref || startsWith(github.ref, 'refs/tags/') || (github.ref == 'refs/heads/main' && github.event_name != 'pull_request')) && true || false }}
+          load: ${{ !fromJson(needs.prepare.outputs.push) }}
           targets: static-builder
           set: |
-            *.cache-from=type=gha,scope=${{needs.prepare.outputs.ref || github.ref}}-static-builder
+            *.platform=${{ matrix.platform }}
+            *.cache-from=type=gha,scope=${{ needs.prepare.outputs.ref || github.ref }}-static-builder
             *.cache-from=type=gha,scope=refs/heads/main-static-builder
-            *.cache-to=type=gha,scope=${{needs.prepare.outputs.ref || github.ref}}-static-builder,ignore-error=true
+            *.cache-to=type=gha,scope=${{ needs.prepare.outputs.ref || github.ref }}-static-builder,ignore-error=true
+            ${{ fromJson(needs.prepare.outputs.push) && '*.output=type=image,name=dunglas/frankenphp,push-by-digest=true,name-canonical=true,push=true' || '' }}
         env:
-          SHA: ${{github.sha}}
+          SHA: ${{ github.sha }}
           VERSION: ${{ (github.ref_type == 'tag' && github.ref_name) || needs.prepare.outputs.ref || github.sha}}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       -
-        name: Pull Docker image
-        if: needs.prepare.outputs.ref || startsWith(github.ref, 'refs/tags/') || (github.ref == 'refs/heads/main' && github.event_name != 'pull_request')
-        run: docker pull dunglas/frankenphp:static-builder
+        # Workaround for https://github.com/actions/runner/pull/2477#issuecomment-1501003600
+        name: Export metadata
+        if: fromJson(needs.prepare.outputs.push)
+        run: |
+          mkdir -p /tmp/metadata
+
+          # shellcheck disable=SC2086
+          digest=$(jq -r '."static-builder"."containerimage.digest"' <<< ${METADATA})
+          touch "/tmp/metadata/${digest#sha256:}"
+        env:
+          METADATA: ${{ steps.build.outputs.metadata }}
+      -
+        name: Upload metadata
+        if: fromJson(needs.prepare.outputs.push)
+        uses: actions/upload-artifact@v3
+        with:
+          name: metadata-static-builder
+          path: /tmp/metadata/*
+          if-no-files-found: error
+          retention-days: 1
       -
         name: Copy binary
-        run: docker cp "$(docker create --name static-builder dunglas/frankenphp:static-builder):/go/src/app/dist/frankenphp-linux-x86_64" frankenphp-linux-x86_64 ; docker rm static-builder
+        if: ${{ !fromJson(needs.prepare.outputs.push) }}
+        run: |
+          tag=$(jq -cr '.target."static-builder".tags | first' <<< "${METADATA}")
+          container=$(docker create --platform=${{ matrix.platform }} --name static-builder "${tag}")
+          docker cp "${container}:/go/src/app/dist/${BINARY}" "${BINARY}"
+        env:
+          METADATA: ${{ needs.prepare.outputs.metadata }}
+          BINARY: frankenphp-linux-${{ matrix.platform == 'linux/amd64' && 'x86_64' || 'aarch64' }}
+      -
+        name: Upload artifact
+        if: ${{ !fromJson(needs.prepare.outputs.push) }}
+        uses: actions/upload-artifact@v3
+        with:
+          name: frankenphp-linux-${{ matrix.platform == 'linux/amd64' && 'x86_64' || 'aarch64' }}
+          path: frankenphp-linux-${{ matrix.platform == 'linux/amd64' && 'x86_64' || 'aarch64' }}
+  # Adapted from https://docs.docker.com/build/ci/github-actions/multi-platform/
+  push:
+    runs-on: ubuntu-latest
+    needs:
+      - prepare
+      - build-linux
+    if: fromJson(needs.prepare.outputs.push)
+    #if: fromJson(needs.prepare.outputs.push) && (needs.prepare.outputs.ref || github.ref_type == 'tag')
+    steps:
+      -
+        name: Download metadata
+        uses: actions/download-artifact@v3
+        with:
+          name: metadata-static-builder
+          path: /tmp/metadata
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          version: latest
+      -
+        name: Login to DockerHub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+      -
+        name: Create manifest list and push
+        working-directory: /tmp/metadata
+        run: |
+          # shellcheck disable=SC2046,SC2086
+          docker buildx imagetools create $(jq -cr '.target."static-builder".tags | map("-t " + .) | join(" ")' <<< ${METADATA}) \
+            $(printf 'dunglas/frankenphp@sha256:%s ' *)
+        env:
+          METADATA: ${{ needs.prepare.outputs.metadata }}
+      -
+        name: Inspect image
+        run: |
+          # shellcheck disable=SC2046,SC2086
+          docker buildx imagetools inspect static-builder
+      -
+        name: Copy binary
+        run: |
+          tag=$(jq -cr '.target."static-builder".tags | first' <<< "${METADATA}")
+          docker cp "$(docker create --platform=linux/amd64 --name static-builder "${tag}"):/go/src/app/dist/frankenphp-linux-x86_64" frankenphp-linux-x86_64 ; docker rm static-builder
+          docker cp "$(docker create --platform=linux/arm64 --name static-builder "${tag}"):/go/src/app/dist/frankenphp-linux-aarch64" frankenphp-linux-aarch64 ; docker rm static-builder
       -
         name: Upload asset
         if: needs.prepare.outputs.ref || github.ref_type == 'tag'
-        run: gh release upload "${{ (github.ref_type == 'tag' && github.ref_name) || needs.prepare.outputs.ref }}" frankenphp-linux-x86_64 --repo dunglas/frankenphp --clobber
+        run: gh release upload "${{ (github.ref_type == 'tag' && github.ref_name) || needs.prepare.outputs.ref }}" frankenphp-linux-x86_64 frankenphp-linux-aarch64 --repo dunglas/frankenphp --clobber
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      -
-        name: Upload artifact
-        if: github.ref_type == 'branch'
-        uses: actions/upload-artifact@v3
-        with:
-          name: frankenphp-linux-x86_64
-          path: frankenphp-linux-x86_64
   build-mac:
     name: Build macOS x86_64 binaries
     runs-on: macos-latest

docker-bake.hcl

@@ -123,6 +123,10 @@ target "static-builder" {
     }
     dockerfile = "static-builder.Dockerfile"
     context = "./"
+    platforms = [
+        "linux/amd64",
+        "linux/arm64",
+    ]
     tags = distinct(flatten([
         LATEST ? "${IMAGE_NAME}:static-builder" : "",
         SHA == "" ? "" : "${IMAGE_NAME}:static-builder-sha-${substr(SHA, 0, 7)}",