name: Publish Docker image

on:
  workflow_dispatch: # allows manual triggering
  schedule:
    # Rebuild daily rather than on every push because it is expensive
    - cron: '12 4 * * *'

jobs:
  push_to_registry:
    name: Push Docker image to Docker Hub

    runs-on: ${{ matrix.config.runs_on }}
    env:
      COMMIT_SHA: ${{ github.sha }}
    strategy:
      fail-fast: false
      matrix:
        config:
          - { tag: "main",              dockerfile: ".devops/main.Dockerfile",        platform: "linux/amd64", runs_on: "ubuntu-24.04"     }
          - { tag: "main-arm64",        dockerfile: ".devops/main.Dockerfile",        platform: "linux/arm64", runs_on: "ubuntu-24.04-arm" }
          - { tag: "main-musa",         dockerfile: ".devops/main-musa.Dockerfile",   platform: "linux/amd64", runs_on: "ubuntu-24.04"     }
          - { tag: "main-intel",        dockerfile: ".devops/main-intel.Dockerfile",  platform: "linux/amd64", runs_on: "ubuntu-24.04"     }
          - { tag: "main-cuda",         dockerfile: ".devops/main-cuda.Dockerfile",   platform: "linux/amd64", runs_on: "ubuntu-24.04"     }
          - { tag: "main-vulkan",       dockerfile: ".devops/main-vulkan.Dockerfile", platform: "linux/amd64", runs_on: "ubuntu-24.04"     }
          - { tag: "main-vulkan-arm64", dockerfile: ".devops/main-vulkan.Dockerfile", platform: "linux/arm64", runs_on: "ubuntu-24.04-arm" }

    steps:
      - name: Check out the repo
        uses: actions/checkout@v6

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4

      - name: Log in to Docker Hub
        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Free up disk space
        run: |
          sudo apt-get remove -y '^dotnet-.*' '^llvm-.*' '^mysql-.*' '^postgresql-.*'
          sudo apt-get autoremove -y
          sudo apt-get autoclean

          sudo rm -rf /usr/share/dotnet
          sudo rm -rf /usr/local/lib/android
          sudo rm -rf /opt/ghc
          sudo rm -rf /opt/hostedtoolcache/CodeQL

          docker system prune -af

          df -h

      - name: Generate tags
        id: tags
        run: |
          TAGS="ghcr.io/${{ github.repository }}:${{ matrix.config.tag }}"
          TAGS="$TAGS,ghcr.io/${{ github.repository }}:${{ matrix.config.tag }}-${{ env.COMMIT_SHA }}"
          echo "tags=$TAGS" >> $GITHUB_OUTPUT

      - name: Build and push Docker image (tagged)
        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294 # v7
        with:
          context: .
          push: true
          platforms: ${{ matrix.config.platform }}
          tags: ${{ steps.tags.outputs.tags }}
          file: ${{ matrix.config.dockerfile }}
          secrets: |
            HF_TOKEN=${{ secrets.HF_TOKEN }}