build_infra_images_cache.yml

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name: Build / Cache base image

on:
  # Run jobs when a commit is merged
  push:
    branches:
    - 'master'
    - 'branch-*'
    paths:
    - 'dev/infra/Dockerfile'
    - '.github/workflows/build_infra_images_cache.yml'
  # Create infra image when cutting down branches/tags
  create:
jobs:
  main:
    if: github.repository == 'apache/spark'
    runs-on: ubuntu-latest
    permissions:
      packages: write
    steps:
      - name: Checkout Spark repository
        uses: actions/checkout@v2
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      - name: Login to DockerHub
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          context: ./dev/infra/
          push: true
          tags: ghcr.io/apache/spark/apache-spark-github-action-image-cache:${{ github.ref_name }}-static
          cache-from: type=registry,ref=ghcr.io/apache/spark/apache-spark-github-action-image-cache:${{ github.ref_name }}
          cache-to: type=registry,ref=ghcr.io/apache/spark/apache-spark-github-action-image-cache:${{ github.ref_name }},mode=max
      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}