ci: Add a new pipeline for release image to ghcr.io using docker buil…

…dx (#10)

* ci: add pipeline release for multiarch image

Signed-off-by: Tuan Anh Tran <anhtt109@vpbank.com.vn>

.github/workflows/release.yaml

@@ -0,0 +1,127 @@
+name: Release pizza image
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  actions: read
+  packages: write # for publish to ghcr.io
+  id-token: write # for signing image
+
+jobs:
+  build:
+    name: Build and publish image
+    runs-on: ubuntu-latest
+    env:
+      IMAGE_URI: ghcr.io/${{ github.repository }}
+      IMAGE_URI_TAG: ghcr.io/${{ github.repository }}:${{ github.ref_name }}
+    outputs:
+      image: ${{ env.IMAGE_URI }}
+      digest: ${{ steps.image_digest.outputs.IMAGE_DIGEST }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # tag=v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # v2.1.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Cross build
+        run: |
+          #!/usr/bin/env bash
+
+          docker buildx bake \
+            -f ./docker-bake.hcl \
+            --set build.args.GO_LDFLAGS="$GO_LDFLAGS" \
+            --set cross.tags=ghcr.io/${{ github.repository }}:${{ github.ref_name }} \
+            --push \
+            cross
+
+      - name: Install crane
+        if: startsWith(github.ref, 'refs/tags/')
+        uses: imjasonh/setup-crane@00c9e93efa4e1138c9a7a5c594acd6c75a2fbf0c # v0.3
+      - name: Output image digest
+        if: startsWith(github.ref, 'refs/tags/')
+        id: image_digest
+        run: echo "IMAGE_DIGEST=$(crane digest ${IMAGE_URI_TAG})" >> $GITHUB_OUTPUT
+
+  sign:
+    name: Sign image and generate sbom
+    runs-on: ubuntu-latest
+    needs: [build]
+    if: startsWith(github.ref, 'refs/tags/')
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # tag=v3
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # v2.1.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Run Trivy in fs mode to generate SBOM
+        uses: aquasecurity/trivy-action@e5f43133f6e8736992c9f3c1b3296e24b37e17f2 # master
+        with:
+          scan-type: 'fs'
+          format: 'spdx-json'
+          output: 'spdx.sbom.json'
+      - name: Install cosign
+        uses: sigstore/cosign-installer@dd6b2e2b610a11fd73dd187a43d57cc1394e35f9 # main
+      - name: Sign image and sbom
+        run: |
+          #!/usr/bin/env bash
+          set -euo pipefail
+          cosign sign -a git_sha=$GITHUB_SHA ${IMAGE_URI_DIGEST} --yes
+          cosign attach sbom --sbom spdx.sbom.json ${IMAGE_URI_DIGEST}
+          cosign sign -a git_sha=$GITHUB_SHA --attachment sbom ${IMAGE_URI_DIGEST} --yes
+        shell: bash
+        env:
+          IMAGE_URI_DIGEST: ${{ needs.build.outputs.image }}@${{ needs.build.outputs.digest }}
+
+  provenance:
+    needs: [build]
+    if: startsWith(github.ref, 'refs/tags/')
+    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_container_slsa3.yml@v1.6.0
+    with:
+      image: ${{ needs.build.outputs.image }}
+      digest: ${{ needs.build.outputs.digest }}
+      registry-username: ${{ github.actor }}
+    secrets:
+      registry-password: ${{ secrets.GITHUB_TOKEN }}
+
+  verify:
+    name: Verify image and provenance
+    runs-on: ubuntu-latest
+    needs: [build, sign, provenance]
+    if: startsWith(github.ref, 'refs/tags/')
+    steps:
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # v2.1.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Install cosign
+        uses: sigstore/cosign-installer@dd6b2e2b610a11fd73dd187a43d57cc1394e35f9 # main
+      - name: Install slsa-verifier
+        uses: slsa-framework/slsa-verifier/actions/installer@c9abffe4d2ab2ffa0b2ea9b2582b84164f390adc # v2.3.0
+      - name: Verify image and provenance
+        run: |
+          #!/usr/bin/env bash
+          set -euo pipefail
+          cosign verify ${IMAGE_URI_DIGEST} \
+            --certificate-oidc-issuer ${GITHUB_ACITONS_OIDC_ISSUER} \
+            --certificate-identity ${COSIGN_KEYLESS_SIGNING_CERT_SUBJECT}
+          slsa-verifier verify-image \
+            --source-uri github.com/${{ github.repository }} ${IMAGE_URI_DIGEST}
+        shell: bash
+        env:
+          IMAGE_URI_DIGEST: ${{ needs.build.outputs.image }}@${{ needs.build.outputs.digest }}
+          GITHUB_ACITONS_OIDC_ISSUER: https://token.actions.githubusercontent.com
+          COSIGN_KEYLESS_SIGNING_CERT_SUBJECT: https://github.com/${{ github.repository }}/.github/workflows/release.yaml@${{ github.ref }}

Dockerfile

@@ -1,13 +1,20 @@
-FROM --platform=${BUILDPLATFORM:-linux/amd64} cgr.dev/chainguard/go:1.20 AS builder
+#syntax=docker/dockerfile:1.4
+FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.1.0 AS xx
+
+FROM --platform=$BUILDPLATFORM golang:1.20-alpine AS builder
 ARG TARGETPLATFORM
 ARG BUILDPLATFORM
 ARG TARGETOS
 ARG TARGETARCH
 
+# copy xx scripts to the builder stage
+COPY --from=xx / /
 WORKDIR /app
 COPY . .
-RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o pizza-oven .
+RUN --mount=target=/go/pkg/mod,type=cache \
+    --mount=target=/root/.cache,type=cache \
+    xx-go build -ldflags="${GO_LDFLAGS}" -o pizza-oven .
 
-FROM --platform=${TARGETPLATFORM:-linux/amd64} cgr.dev/chainguard/glibc-dynamic
+FROM scratch
 COPY --from=builder /app/pizza-oven /usr/bin/
-CMD ["/usr/bin/pizza-oven"]
+CMD ["/usr/bin/pizza-oven"]

Makefile

@@ -23,7 +23,7 @@ local:
 	go build -o build/pizza-oven main.go
 
 build:
-	docker build . -t pizza-oven:latest
+	docker buildx bake
 
 setup-test-env:
 	./hack/setup.sh

docker-bake.hcl

@@ -0,0 +1,20 @@
+variable "GO_LDFLAGS" {
+  default = "-w -s"
+}
+
+group "default" {
+  targets = ["build"]
+}
+
+target "build" {
+  dockerfile = "Dockerfile"
+  args = {
+    GO_LDFLAGS = "${GO_LDFLAGS}"
+  }
+}
+
+target "cross" {
+  inherits = ["build"]
+  platforms = ["linux/amd64", "linux/386", "linux/arm64", "linux/arm", "linux/ppc64le", "linux/s390x", "darwin/amd64", "darwin/arm64", "windows/amd64", "windows/arm64", "freebsd/amd64", "freebsd/arm64"]
+  tags = ["ghcr.io/open-sauced/pizza"]
+}