Docker.yaml

name: Docker
on:
  pull_request:
    paths:
      - "**"
      - "!docs/**"
      - "!README.md"
      - "!CONTRIBUTING.md"
      - "!.github/**"
      - ".github/workflows/Docker.yaml"
      - "!mkdocs.yml"
      - "!pyproject.toml"
      - "!poetry.lock"
  workflow_dispatch:
    inputs:
      version:
        description: version of the scenario_simulator_v2
        required: true

env:
  REGISTRY_IMAGE: ghcr.io/tier4/scenario_simulator_v2

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        include:
          - platform: linux/amd64
            runner: ubuntu-22.04
          - platform: linux/arm64
            runner: ubuntu-22.04-arm
    runs-on: ${{ matrix.runner }}
    steps:
      - name: Prepare
        run: |
          platform=${{ matrix.platform }}
          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV

      - name: Checkout
        uses: actions/checkout@v4

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY_IMAGE }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: ${{ matrix.platform }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=${{ github.event_name == 'workflow_dispatch' }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Export digest
        if: github.event_name == 'workflow_dispatch'
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"

      - name: Upload digest
        uses: actions/upload-artifact@v4
        if: github.event_name == 'workflow_dispatch'
        with:
          name: digests-${{ env.PLATFORM_PAIR }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    runs-on: ubuntu-latest
    if: github.event_name == 'workflow_dispatch'
    needs:
      - build
    steps:
      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: /tmp/digests
          pattern: digests-*
          merge-multiple: true

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Create manifest list and push
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create -t ghcr.io/tier4/scenario_simulator_v2:humble-${{ github.event.inputs.version }} \
            $(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)