python-builds/.github/workflows/build-version.yml at main · python-discord/python-builds · GitHub

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name: Build Python Version

on:
  workflow_call:
    inputs:
      version:
        description: "Specific version (major.minor.patch[suffix]) of Python to build"
        required: true
        type: string
      tag:
        description: "Version tag to apply to Docker image (e.g. 3.14, 3.14j)"
        required: true
        type: string
      pyenv_version:
        description: "The pyenv version to use when building the builder-base stage"
        required: true
        type: string

jobs:
  build:
    name: Build Python ${{ inputs.version }} (${{ matrix.platform }})
    runs-on: ${{ matrix.runner }}

    strategy:
      fail-fast: false
      matrix:
        include:
          - platform: linux/amd64
            runner: ubuntu-latest
          - platform: linux/arm64
            runner: ubuntu-24.04-arm

    steps:
      - name: Checkout code
        uses: actions/checkout@v7

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Login to Github Container Registry
        uses: docker/login-action@v4
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Sanitize platform name
        id: platform
        run: echo "name=$(echo '${{ matrix.platform }}' | tr '/' '-')" >> $GITHUB_OUTPUT

      - name: Build and push platform image
        uses: docker/build-push-action@v7
        with:
          context: .
          file: ./Dockerfile
          target: python-builder
          platforms: ${{ matrix.platform }}
          push: ${{ github.ref == 'refs/heads/main' }}
          cache-to: type=inline
          cache-from: |
            type=registry,ref=ghcr.io/python-discord/python-builds:builder-base
            type=registry,ref=ghcr.io/python-discord/python-builds:${{ inputs.tag }}-${{ steps.platform.outputs.name }}
          labels: |
            org.opencontainers.image.source=https://github.com/python-discord/python-builds
            org.opencontainers.image.description="Python ${{ inputs.version }} Docker image maintained by Python Discord."
            org.opencontainers.image.licenses=MIT
          tags: |
            ghcr.io/python-discord/python-builds:${{ inputs.tag }}-${{ steps.platform.outputs.name }}
          build-args: |
            PYTHON_VERSION=${{ inputs.version }}
            PYENV_VERSION=${{ inputs.pyenv_version }}

  merge:
    name: Merge ${{ inputs.version }} manifests
    needs: build
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main'

    steps:
      - name: Get Git commit short SHA
        id: git-sha
        run: echo "sha=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT

      - name: Login to Github Container Registry
        uses: docker/login-action@v4
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Create and push multi-platform manifest
        run: |
          docker buildx imagetools create \
            --annotation "index:org.opencontainers.image.source=https://github.com/python-discord/python-builds" \
            --annotation "index:org.opencontainers.image.description=Python ${{ inputs.version }} Docker image maintained by Python Discord." \
            --annotation "index:org.opencontainers.image.licenses=MIT" \
            --tag ghcr.io/python-discord/python-builds:${{ inputs.tag }} \
            --tag ghcr.io/python-discord/python-builds:${{ inputs.version }} \
            --tag ghcr.io/python-discord/python-builds:${{ inputs.tag }}-${{ steps.git-sha.outputs.sha }} \
            ghcr.io/python-discord/python-builds:${{ inputs.tag }}-linux-amd64 \
            ghcr.io/python-discord/python-builds:${{ inputs.tag }}-linux-arm64