name: Docker


on:
  push:
    branches:
      - master
    tags:
      - "v*.*.*"
    paths-ignore:
      - '**/*.md'
      - '.gitignore'
      - '.github/**'
      - '!.github/workflows/docker.yml'
  workflow_dispatch:


env:
  DOCKER_FILE: docker/Dockerfile
  DOCKER_REPO: codexstorage/codex-contracts-eth


jobs:
  # Build platform specific image
  build:
    strategy:
      fail-fast: true
      matrix:
        target:
          - os: linux
            arch: amd64
          - os: linux
            arch: arm64
        include:
          - target:
              os: linux
              arch: amd64
            builder: ubuntu-22.04
          - target:
              os: linux
              arch: arm64
            builder: buildjet-4vcpu-ubuntu-2204-arm

    name: Build ${{ matrix.target.os }}/${{ matrix.target.arch }}
    runs-on: ${{ matrix.builder }}
    outputs:
      tags-linux-amd64: ${{ steps.tags.outputs.tags-linux-amd64 }}
      tags-linux-arm64: ${{ steps.tags.outputs.tags-linux-arm64 }}
    env:
      PLATFORM: ${{ format('{0}/{1}', 'linux', matrix.target.arch) }}
      SUFFIX: ${{ format('{0}-{1}', 'linux', matrix.target.arch) }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Docker - Meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.DOCKER_REPO }}
          flavor: |
            latest=false
          tags: |
            type=semver,pattern={{version}},suffix=-${{ env.SUFFIX }}
            type=sha,suffix=-${{ env.SUFFIX }},enable=${{ !startsWith(github.ref, 'refs/tags/') }}

      - name: Docker - Set tags output
        if: github.event_name != 'pull_request'
        id: tags
        run: |
          if [[ '${{ matrix.target.os }}' == 'linux' && '${{ matrix.target.arch }}' == 'amd64' ]]; then
            echo "tags-linux-amd64=${{ steps.meta.outputs.tags }}" >> "$GITHUB_OUTPUT"
          elif [[ '${{ matrix.target.os }}' == 'linux' && '${{ matrix.target.arch }}' == 'arm64' ]]; then
            echo "tags-linux-arm64=${{ steps.meta.outputs.tags }}" >> "$GITHUB_OUTPUT"
          fi

      - name: Docker - Login to Docker Hub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Docker - Build and export to Docker
        id: build
        uses: docker/build-push-action@v4
        with:
          context: .
          file: ${{ env.DOCKER_FILE }}
          platforms: ${{ env.PLATFORM }}
          load: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      - name: Docker - Minify image
        uses: kitabisa/docker-slim-action@v1
        id: slim
        env:
          DSLIM_HTTP_PROBE: false
        with:
          target: ${{ steps.meta.outputs.tags }}
          overwrite: true

      - name: Docker - Show slim report
        run: echo "${REPORT}" | jq -r
        env:
          REPORT: ${{ steps.slim.outputs.report }}

      - name: Docker - Push to Docker registry
        if: github.event_name != 'pull_request'
        id: push
        uses: docker/build-push-action@v4
        with:
          context: .
          file: ${{ env.DOCKER_FILE }}
          platforms: ${{ env.PLATFORM }}
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

  # Publish single image
  publish:
    name: Push single image
    if: github.event_name != 'pull_request'
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Docker - Meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.DOCKER_REPO }}
          tags: |
            type=semver,pattern={{version}}
            type=sha,enable=${{ !startsWith(github.ref, 'refs/tags/') }}

      - name: Docker - Set tags
        run: |
          # Transform multi-line tags in to the comma-seperated
          TAGS=$(echo "${{ steps.meta.outputs.tags }}" | tr '\n' ',' | awk '{gsub(/,$/,"");}1')
          echo "TAGS=${TAGS}" >>$GITHUB_ENV

      - name: Docker - Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Docker - Create and push manifest images
        uses: Noelware/docker-manifest-action@master
        with:
          inputs: ${{ env.TAGS }}
          images: ${{ needs.build.outputs.tags-linux-amd64 }},${{ needs.build.outputs.tags-linux-arm64 }}
          push: true