build.yml

name: build
on:
  push:
    tags:
      - v*
    branches:
      - master
      - v2
  pull_request:
jobs:
  build-and-push:
    runs-on: ubuntu-22.04
    permissions:
      id-token: write
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v4
        with:
          platforms: linux/amd64,linux/arm64
      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v4
      - name: Set up cosign
        if: ${{ github.event_name != 'pull_request' }}
        uses: sigstore/cosign-installer@v3
      - name: login to registry
        if: ${{ github.event_name != 'pull_request' }}
        env:
          QUAYIO_USERNAME: ${{ secrets.DOCKER_USERNAME }}
          QUAYIO_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
        run: |
          docker login --username=${QUAYIO_USERNAME} --password-stdin quay.io <<< "${QUAYIO_PASSWORD}"
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: |
            quay.io/piraeusdatastore/piraeus-operator
          tags: |
            type=sha
            type=raw,value=${{ github.ref_name }}
            type=ref,event=tag
            type=ref,event=pr
      - name: Build
        uses: docker/build-push-action@v7
        id: build
        with:
          builder: ${{ steps.buildx.outputs.name }}
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          no-cache: ${{ github.ref_type == 'tag' }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            VERSION=${{ github.ref_name }}-${{ github.sha }}
      - name: Sign images
        if: ${{ github.event_name != 'pull_request' }}
        # Take the digest we just pushed to the registry and sign the image using "keyless" signing:
        #   https://docs.sigstore.dev/cosign/signing/overview/
        # With this, users can verify that the image was actually created by this github workflow.
        env:
          BUILD_METADATA: ${{ steps.build.outputs.metadata }}
        run: |
          printf '%s' "$BUILD_METADATA" \
            | jq '."containerimage.digest" as $DIGEST | ."image.name" | split(":")[0] | "\(.)@\($DIGEST)"' -r \
            | xargs --no-run-if-empty cosign sign --yes