name: docker
on:
  workflow_dispatch:
    inputs:
      version:
        description: "Spleeter version to build image for"
        required: true
        default: "2.1.2"
jobs:
  build-test-push:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        platform: [cpu, gpu]
        distribution: [3.6, 3.7, 3.8, conda]
        model: [modelless, 2stems, 4stems, 5stems]
      fail-fast: true
    steps:
      - uses: actions/checkout@v2
      # ----------------------------------------------------------------------
      # Note: base image building and env setup.
      - name: Setup Python distribution
        run: |
          echo "base=python:${{ matrix.distribution }}" >> $GITHUB_ENV
          echo "tag=${{ matrix.distribution }}" >> $GITHUB_ENV
          echo "file=spleeter" >> $GITHUB_ENV
      - if: ${{ matrix.distribution == 'conda' }}
        name: Build Conda base image
        run: |
          docker build -t python:conda -f docker/conda.dockerfile .
          echo "file=spleeter-conda" >> $GITHUB_ENV
      - if: ${{ matrix.platform == 'gpu' }}
        name: Build CUDA base image
        run: |
          docker build \
            --build-arg BASE=python:${{ matrix.distribution }} \
            -t cuda:${{ matrix.distribution }} \
            -f docker/cuda-10-1.dockerfile .
          echo "base=${{ matrix.distribution }}" >> $GITHUB_ENV
          echo "tag=${{ matrix.distribution }}-gpu" >> $GITHUB_ENV
      # ----------------------------------------------------------------------
      # Note: image building.
      - name: Build deezer/spleeter:${{ env.tag }} image
        run: |
          docker build \
            --build-arg BASE=${{ env.base }} \
            --build-arg SPLEETER_VERSION=${{ github.event.inputs.version }} \
            -t deezer/spleeter:${{ env.tag }} \
            -f docker/${{ env.file }}.dockerfile .
          echo "modelargs=" >> $GITHUB_ENV
      - if: ${{ matrix.model != 'modelless' }}
        name: Build deezer/spleeter:${{ env.tag }}-${{ matrix.model }} image
        run: |
          docker build \
            --build-arg BASE=deezer/spleeter:${{ env.tag }} \
            --build-arg MODEL=${{ matrix.model }} \
            -t deezer/spleeter:${{ env.tag }}-${{ matrix.model }} \
            -f docker/spleeter-model.dockerfile .
          echo "tag=${{ env.tag }}-${{ matrix.model }}" >> $GITHUB_ENV
          echo "modelarg=-p spleeter:${{ matrix.model }}" >> $GITHUB_ENV
      # ----------------------------------------------------------------------
      # Note: image testing.
      - name: Test deezer/spleeter:${{ env.tag }} image
        run: |
          docker run \
            -v $(pwd):/runtime \
            deezer/spleeter:${{ env.tag }} \
            separate -i /runtime/audio_example.mp3  -o /tmp \${{ env.modelarg }}
      # ----------------------------------------------------------------------
      # Note: image deploy.
      - name: Docker login
        run: echo ${{ secrets.DOCKERHUB_PASSWORD }} | docker login -u ${{ secrets.DOCKERHUB_USERNAME }} --password-stdin
      - name: Push deezer/spleeter:${{ env.tag }} image
        run: docker push deezer/spleeter:${{ env.tag }}
      - if: ${{ env.tag == 'spleeter:3.8' }}
        name: Push deezer/spleeter:latest image
        run: |
          docker tag deezer/spleeter:3.8 deezer/spleeter:latest
          docker push deezer/spleeter:latest
      - if: ${{ env.tag == 'spleeter:3.8-gpu' }}
        name: Push deezer/spleeter:gpu image
        run: |
          docker tag deezer/spleeter:3.8-gpu deezer/spleeter:gpu
          docker push deezer/spleeter:gpu