name: ci

on:
  push:
    branches: master
    tags:
      - 'v*.*.*'
  pull_request:
    branches: master

jobs:
  git-context:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        buildx-version:
          - latest
    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2.3.2
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all
      -
        name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        with:
          version: ${{ matrix.buildx-version }}
          driver-opts: network=host
      -
        name: Build and push
        id: docker_build
        uses: ./
        with:
          file: ./test/Dockerfile
          builder: ${{ steps.buildx.outputs.name }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            localhost:5000/name/app:latest
            localhost:5000/name/app:1.0.0
          secrets: |
            GIT_AUTH_TOKEN=${{ github.token }}
      -
        name: Inspect
        run: |
          docker buildx imagetools inspect localhost:5000/name/app:1.0.0
      -
        name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}
      -
        name: Dump context
        if: always()
        uses: crazy-max/ghaction-dump-context@v1

  path-context:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        buildx-version:
          - ""
          - latest
    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2.3.2
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all
      -
        name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        with:
          version: ${{ matrix.buildx-version }}
          driver-opts: network=host
      -
        name: Build and push
        id: docker_build
        uses: ./
        with:
          context: ./test
          file: ./test/Dockerfile
          builder: ${{ steps.buildx.outputs.name }}
          push: true
          tags: |
            localhost:5000/name/app:latest
            localhost:5000/name/app:1.0.0
      -
        name: Inspect
        run: |
          docker buildx imagetools inspect localhost:5000/name/app:1.0.0
      -
        name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}
      -
        name: Dump context
        if: always()
        uses: crazy-max/ghaction-dump-context@v1

  multi:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        buildx-version:
          - ""
          - latest
        dockerfile:
          - multi
          - multi-sudo
    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2.3.2
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all
      -
        name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        with:
          version: ${{ matrix.buildx-version }}
          driver-opts: network=host
      -
        name: Build and push
        id: docker_build
        uses: ./
        with:
          context: ./test
          file: ./test/Dockerfile-${{ matrix.dockerfile }}
          builder: ${{ steps.buildx.outputs.name }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            localhost:5000/name/app:latest
            localhost:5000/name/app:1.0.0
      -
        name: Inspect
        run: |
          docker buildx imagetools inspect localhost:5000/name/app:1.0.0
      -
        name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}
      -
        name: Dump context
        if: always()
        uses: crazy-max/ghaction-dump-context@v1

  github-cache:
    runs-on: ubuntu-latest
    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2.3.2
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all
      -
        name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        with:
          driver-opts: network=host
      -
        name: Cache Docker layers
        uses: actions/cache@v2
        id: cache
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-
      -
        name: Build and push
        id: docker_build
        uses: ./
        with:
          context: ./test
          file: ./test/Dockerfile-multi-golang
          builder: ${{ steps.buildx.outputs.name }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            localhost:5000/name/app:latest
            localhost:5000/name/app:1.0.0
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache
      -
        name: Inspect
        run: |
          docker buildx imagetools inspect localhost:5000/name/app:1.0.0
      -
        name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}
      -
        name: Cache hit
        run: echo ${{ steps.cache.outputs.cache-hit }}
      -
        name: Dump context
        if: always()
        uses: crazy-max/ghaction-dump-context@v1

  tags-labels:
    runs-on: ubuntu-latest
    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2.3.2
      -
        name: Prepare
        id: prep
        run: |
          DOCKER_IMAGE=localhost:5000/name/app
          VERSION=noop
          if [[ $GITHUB_REF == refs/tags/* ]]; then
            VERSION=${GITHUB_REF#refs/tags/}
          elif [[ $GITHUB_REF == refs/heads/* ]]; then
            VERSION=$(echo ${GITHUB_REF#refs/heads/} | sed -r 's#/+#-#g')
            if [ "${{ github.event.repository.default_branch }}" = "$VERSION" ]; then
              VERSION=edge
            fi
          elif [[ $GITHUB_REF == refs/pull/* ]]; then
            VERSION=pr-${{ github.event.number }}
          fi
          TAGS="${DOCKER_IMAGE}:${VERSION}"
          if [ "${{ github.event_name }}" != "pull_request" ]; then
            TAGS="${DOCKER_IMAGE}:sha-${GITHUB_SHA::8}"
          fi
          if [[ $VERSION =~ ^v[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
            MINOR=${VERSION%.*}
            MAJOR=${MINOR%.*}
            TAGS="$TAGS,${DOCKER_IMAGE}:${MINOR},${DOCKER_IMAGE}:${MAJOR},${DOCKER_IMAGE}:latest"
          fi
          echo ::set-output name=version::${VERSION}
          echo ::set-output name=tags::${TAGS}
          echo ::set-output name=created::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
        with:
          driver-opts: network=host
      -
        name: Build and push
        uses: ./
        with:
          context: ./test
          file: ./test/Dockerfile
          push: true
          tags: ${{ steps.prep.outputs.tags }}
          labels: |
            org.opencontainers.image.created=${{ steps.prep.outputs.created }}
            org.opencontainers.image.source=${{ github.repositoryUrl }}
            org.opencontainers.image.version=${{ steps.prep.outputs.version }}
            org.opencontainers.image.revision=${{ github.sha }}
            org.opencontainers.image.licenses=${{ github.event.repository.license.name }}
      -
        name: Inspect
        run: |
          docker buildx imagetools inspect localhost:5000/name/app:${{ steps.prep.outputs.version }}
      -
        name: Dump context
        if: always()
        uses: crazy-max/ghaction-dump-context@v1