main.yml

name: main

on:
  push:
    branches: [ master, main ]
  pull_request:
    branches: [ master, main ]

jobs:
  docker:
    strategy:
      fail-fast: false
      matrix:
        experimental: [false]
        arch:
          - 'x64'
        python:
          - '3.12'
        alpine:
          - '3.20'
        os:
          - 'ubuntu-latest'

    runs-on: ${{ matrix.os }}

    steps:
      -
        name: Checkout
        uses: actions/checkout@v4
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - 
        name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      -
        id: image_env
        run: |
          . ./env.sh '${{ matrix.alpine }}' '${{ matrix.python }}' '${{ github.repository_owner }}'

          docker pull "${SOURCE_IMAGE}"

          echo ALPINE_VERSION="${ALPINE_VERSION}" >> "$GITHUB_OUTPUT"
          echo PYTHON_VERSION="${PYTHON_VERSION}" >> "$GITHUB_OUTPUT"
          echo SOURCE_IMAGE="${SOURCE_IMAGE}" >> "$GITHUB_OUTPUT"
          echo REPO_TAG="${REPO_TAG}" >> "$GITHUB_OUTPUT"
          echo BASE_IMAGE_DIGEST="$(digest_of "$SOURCE_IMAGE")" >> "$GITHUB_OUTPUT"
      -
        name: Build deps
        uses: docker/build-push-action@v6
        with:
          push: false
          pull: false
          load: true
          context: "."
          file: Dockerfile.alpine
          target: builder
          cache-from:
              - type=registry,ref=${{ steps.image_env.outputs.REPO_TAG }}-buildroot
          cache-to:
              - type=registry,ref=${{ steps.image_env.outputs.REPO_TAG }}-buildroot,mode=max
          build-args: |
              ALPINE_VERSION=${{ steps.image_env.outputs.ALPINE_VERSION }}
              BASE_IMAGE_DIGEST=${{ steps.image_env.outputs.BASE_IMAGE_DIGEST }}
              PYTHON_VERSION=${{ steps.image_env.outputs.PYTHON_VERSION }}
              SOURCE_IMAGE=${{ steps.image_env.outputs.SOURCE_IMAGE }}
              BUILD_ROOT=/d
          tags: "${{ steps.image_env.outputs.REPO_TAG }}-buildroot"
      -
        name: Build
        uses: docker/build-push-action@v6
        with:
          push: false
          pull: false
          load: true
          context: "."
          file: Dockerfile.alpine
          cache-from:
              - type=registry,ref=${{ steps.image_env.outputs.REPO_TAG }}
              - type=registry,ref=${{ steps.image_env.outputs.REPO_TAG }}-buildroot
              - type=registry,ref=${{ steps.image_env.outputs.SOURCE_IMAGE }}
          build-args: |
              ALPINE_VERSION=${{ steps.image_env.outputs.ALPINE_VERSION }}
              BASE_IMAGE_DIGEST=${{ steps.image_env.outputs.BASE_IMAGE_DIGEST }}
              PYTHON_VERSION=${{ steps.image_env.outputs.PYTHON_VERSION }}
              SOURCE_IMAGE=${{ steps.image_env.outputs.SOURCE_IMAGE }}
              BUILD_ROOT=/d
          tags: "${{ steps.image_env.outputs.REPO_TAG }}"