build.yaml

name: build-artifacts

on:
  workflow_dispatch:

env:
  GCP_PROJECT_ID: "open-targets-genetics-dev"
  GCP_REGION: "europe-west1"
  TAG: "${{ github.ref_name }}"
  REPO: "${{ github.event.repository.name }}"


jobs:
  push-to-ghcr-and-gar:
    if: startsWith(github.ref, 'refs/tags/')
    name: Build docker image and push to GHCR and GAR
    runs-on: ubuntu-22.04

    permissions:
      packages: write
      contents: read
      attestations: write
      id-token: write

    steps:
      - id: prepare
        name: Prepare the action and log details
        shell: bash
        env:
          GITHUB_CONTEXT: ${{ toJson(github) }}
        run: |
          TAG=$(echo $TAG | sed 's/^v//')
          echo "TAG=$TAG" >> $GITHUB_ENV
          echo "The tag for this build is $TAG"
          echo "The repo name is: $REPO"
          echo "Github context:\n$GITHUB_CONTEXT"

      - id: checkout
        name: Check out repo
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - id: auth-ghcr
        name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - id: auth-google
        name: Authenticate to Google Cloud
        uses: google-github-actions/auth@v2
        with:
          token_format: access_token
          project_id: ${{ env.GCP_PROJECT_ID }}
          service_account: github-actions@open-targets-genetics-dev.iam.gserviceaccount.com
          workload_identity_provider: projects/234703259993/locations/global/workloadIdentityPools/github/providers/opentargets
          access_token_lifetime: 300s

      - id: auth-gar
        name: Login to Google Artifact Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.GCP_REGION }}-docker.pkg.dev
          username: oauth2accesstoken
          password: ${{ steps.auth-google.outputs.access_token }}

      - id: push
        name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: |
            ghcr.io/${{ github.repository }}:latest
            ghcr.io/${{ github.repository }}:${{ env.TAG }}
            ${{ env.GCP_REGION }}-docker.pkg.dev/${{ env.GCP_PROJECT_ID }}/opentargets/${{ env.REPO }}:latest
            ${{ env.GCP_REGION }}-docker.pkg.dev/${{ env.GCP_PROJECT_ID }}/opentargets/${{ env.REPO }}:${{ env.TAG }}

      - id: generate-attestations
        name: Generate artifact attestation
        uses: actions/attest-build-provenance@v1
        with:
          subject-name: ${{ env.GCP_REGION }}-docker.pkg.dev/${{ env.GCP_PROJECT_ID }}/opentargets/${{ env.REPO }}
          subject-digest: ${{ steps.push.outputs.digest }}
          push-to-registry: true