build.yml

name: build

concurrency:
  group: build-${{ github.ref }}
  cancel-in-progress: true

on:
  push:
    branches:
      - 'master'
      - 'releases/*'
    tags:
      - '*'
    paths-ignore:
      - '**.md'
  pull_request:
    branches:
      - 'master'
      - 'releases/*'
    paths-ignore:
      - '**.md'

env:
  DOCKERHUB_SLUG: crazymax/alpine-s6
  GHCR_SLUG: ghcr.io/crazy-max/alpine-s6
  DOCKERHUB_DIST_SLUG: crazymax/alpine-s6-dist
  GHCR_DIST_SLUG: ghcr.io/crazy-max/alpine-s6-dist
  ALPINE_LATEST: '3.20'

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        alpine_version:
          - '3.15'
          - '3.16'
          - '3.17'
          - '3.18'
          - '3.19'
          - '3.20'
          - 'edge'
    runs-on: ubuntu-latest
    steps:
      -
        name: Checkout
        uses: actions/checkout@v4
      -
        name: Prepare
        run: |
          NL=$'\n'
          ALPINE_VERSION=${{ matrix.alpine_version }}
          VERSION=edge
          if [[ $GITHUB_REF == refs/tags/* ]]; then
            TAG=${GITHUB_REF#refs/tags/}
            VERSION=${TAG%-r*}
          fi
          IMAGE_TAGS=""
          if [[ $ALPINE_VERSION =~ ^[0-9]{1,3}\.[0-9]{1,3} ]]; then
            IMAGE_TAGS="${IMAGE_TAGS}${ALPINE_VERSION}-${VERSION}${NL}"
            if [ "$ALPINE_VERSION" = "${{ env.ALPINE_LATEST }}" ]; then
              IMAGE_TAGS="${IMAGE_TAGS}latest-${VERSION}${NL}"
            fi
          else
            if [[ $VERSION =~ ^[0-9]{1,3}\.[0-9]{1,3} ]]; then
              IMAGE_TAGS="${IMAGE_TAGS}${ALPINE_VERSION}-${VERSION}${NL}"
            else
              IMAGE_TAGS="${IMAGE_TAGS}${VERSION}${NL}"
            fi
          fi
          if [ "$VERSION" != "edge" ]; then
            IMAGE_TAGS="${IMAGE_TAGS}${ALPINE_VERSION}${NL}"
            if [ "$ALPINE_VERSION" = "${{ env.ALPINE_LATEST }}" ]; then
              IMAGE_TAGS="${IMAGE_TAGS}latest${NL}"
            fi
          fi
          echo "IMAGE_TAGS<<EOF" >> $GITHUB_ENV
          echo -e "$IMAGE_TAGS" >> $GITHUB_ENV
          echo "EOF" >> $GITHUB_ENV
      -
        name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.DOCKERHUB_SLUG }}
            ${{ env.GHCR_SLUG }}
          tags: ${{ env.IMAGE_TAGS }}
          labels: |
            org.opencontainers.image.title=alpine-s6
            org.opencontainers.image.description=Alpine Linux with s6 overlay
            org.opencontainers.image.vendor=CrazyMax
      -
        name: Docker meta dist
        id: meta_dist
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.DOCKERHUB_DIST_SLUG }}
            ${{ env.GHCR_DIST_SLUG }}
          tags: ${{ env.IMAGE_TAGS }}
          labels: |
            org.opencontainers.image.title=alpine-s6-dist
            org.opencontainers.image.description=s6 overlay
            org.opencontainers.image.vendor=CrazyMax
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          buildkitd-config-inline: |
            [worker.oci]
              max-parallelism = 4
      -
        name: Login to DockerHub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      -
        name: Login to GitHub Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      -
        name: Build artifacts
        uses: docker/bake-action@v5
        with:
          targets: artifact-all
          pull: true
          provenance: false
        env:
          ALPINE_VERSION: ${{ matrix.alpine_version }}
      -
        name: Move artifacts
        if: matrix.alpine_version == env.ALPINE_LATEST
        run: |
          mv ./dist/**/* ./dist/
      -
        name: Upload artifacts
        if: matrix.alpine_version == env.ALPINE_LATEST
        uses: actions/upload-artifact@v3
        with:
          name: s6-overlay
          path: ./dist/*
          if-no-files-found: error
      -
        name: Build image
        uses: docker/bake-action@v5
        with:
          files: |
            ./docker-bake.hcl
            ${{ steps.meta.outputs.bake-file }}
          targets: image-all
          push: ${{ github.event_name != 'pull_request' }}
        env:
          ALPINE_VERSION: ${{ matrix.alpine_version }}
      -
        name: Build dist
        uses: docker/bake-action@v5
        with:
          files: |
            ./docker-bake.hcl
            ${{ steps.meta_dist.outputs.bake-file }}
          targets: image-dist-all
          pull: true
          push: ${{ github.event_name != 'pull_request' }}
        env:
          ALPINE_VERSION: ${{ matrix.alpine_version }}
      -
        name: GitHub Release
        uses: softprops/action-gh-release@v2
        if: matrix.alpine_version == env.ALPINE_LATEST && startsWith(github.ref, 'refs/tags/')
        with:
          draft: true
          files: |
            dist/*.tar.gz
            dist/*.zip
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      -
        name: Check manifest
        if: github.event_name != 'pull_request'
        run: |
          docker buildx imagetools inspect ${{ env.DOCKERHUB_SLUG }}:${{ steps.meta.outputs.version }}
          docker buildx imagetools inspect ${{ env.GHCR_SLUG }}:${{ steps.meta.outputs.version }}
      -
        name: Check pull
        if: github.event_name != 'pull_request'
        run: |
          docker pull ${{ env.DOCKERHUB_SLUG }}:${{ steps.meta.outputs.version }}
          docker image inspect ${{ env.DOCKERHUB_SLUG }}:${{ steps.meta.outputs.version }}
          docker pull ${{ env.GHCR_SLUG }}:${{ steps.meta.outputs.version }}
          docker image inspect ${{ env.GHCR_SLUG }}:${{ steps.meta.outputs.version }}