update-base-python-images.yaml

name: "Update base Python container images"

on:
  schedule:
    - cron: '0 0 * * MON'
  workflow_dispatch:

jobs:
  task:
    strategy:
      matrix:
        py_version:
          - "3.8"
          - "3.9"
          - "3.10"
          - "3.11"
          - "3.12"

    permissions:
      contents: write
      pull-requests: write
      packages: write

    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Auth to Cloud
        uses: 'uwit-iam/action-auth-artifact-registry@main'
        with:
          credentials: "${{ secrets.MCI_GCLOUD_AUTH_JSON }}"
          enable_private_docker: true

      - name: Record timestamp for image
        id: timestamp
        run: |
          echo "value=$(date +%Y.%m.%d.%H.%M.%S)" >> $GITHUB_OUTPUT  # e.g., 2024.01.17.15.09.31

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Build and push to GAR
        env:
          image_uri: "us-docker.pkg.dev/uwit-mci-iam/containers/base-python-${{ matrix.py_version }}"
        uses: docker/build-push-action@v6
        with:
          context: "{{defaultContext}}:images/python-base"
          platforms: linux/amd64,linux/arm64
          build-args: |
            PYTHON_VERSION=${{ matrix.py_version }}
            TIMESTAMP=${{ steps.timestamp.outputs.value }}
          push: true
          tags: |
            ${{ env.image_uri }}:latest
            ${{ env.image_uri }}:${{ steps.timestamp.outputs.value }}