docker.yml

name: docker

on:
  push:
    branches:
      - 'master'
  pull_request:
    branches:
      - 'master'

jobs:
  # Builds base image for stempy of various verions if Dockerfile.base has changed
  build-stempy:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ['3.9']
        mpi: ['ON', 'OFF']
        ipykernel: ['', 'ipykernel']
        dev: ['', 'dev']
        exclude:
          - MPI: 'ON'
            ipykernel: 'ipykernel'

    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          submodules: 'recursive'

      - name: 'Setup Docker Environment'
        uses: ./.github/actions/docker_setup
        with:
          github_event_name: ${{ github.event_name }}
          DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
          DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
          DOCKERHUB_ORG: ${{ vars.DOCKERHUB_ORG }}

      - name: Determine if Dockerfile.base changed
        id: changed-dockerfile-base
        uses: tj-actions/changed-files@v35
        with:
          files: |
            ./docker/Dockerfile.base
            ./docker/apt-packages-common.txt
            ./docker/apt-packages-dev.txt

      - name: Set up environment variables for python version
        id: set-conda-env
        run: |
          echo "PYTHON_VERSION=${{ matrix.python-version }}" >> $GITHUB_ENV
          PYTHON_VERSION_NODOT=$(echo ${{ matrix.python-version }} | tr -d .)
          echo "PYTHON_VERSION_NODOT=${PYTHON_VERSION_NODOT}" >> $GITHUB_ENV
      - name: Set up other environment variables
        id: set-tag-vars
        run: |
          echo "BASE_TARGET=$(if [[ "${{ matrix.mpi }}" == 'ON' ]]; then 
            echo 'mpi' 
          else 
            echo 'base' 
          fi)" >> $GITHUB_ENV

          MPI_TAG=$(if [[ "${{ matrix.mpi }}" == 'ON' ]]; then 
            echo '-mpi' 
          else 
            echo '' 
          fi)
          echo "MPI_TAG=${MPI_TAG}" >> $GITHUB_ENV

          DEV_TAG=$(if [[ "${{ matrix.dev }}" == 'dev' ]]; then 
            echo '-dev' 
          else 
            echo '' 
          fi)
          echo "DEV_TAG=${DEV_TAG}" >> $GITHUB_ENV

          echo "RELEASE_OR_DEBUG=$(if [[ "${{ matrix.dev }}" == 'dev' ]]; then 
            echo 'Debug' 
          else 
            echo 'Release' 
          fi)" >> $GITHUB_ENV

          COMMIT=$(git rev-parse --short HEAD)
          echo "COMMIT=${COMMIT}" >> $GITHUB_ENV

          IPYKERNEL_TAG=$(if [[ "${{ matrix.ipykernel }}" == 'ipykernel' ]]; then 
            echo '-ipykernel' 
          else 
            echo '' 
          fi)

          echo "IPYKERNEL_TAG=${IPYKERNEL_TAG}" >> $GITHUB_ENV

          BASE_TAG=${{ env.DOCKERHUB_ORG }}/stempy${MPI_TAG}:py${{ env.PYTHON_VERSION_NODOT }}-base${DEV_TAG}
          echo "BASE_TAG=${BASE_TAG}" >> $GITHUB_ENV

          TAG=${{ env.DOCKERHUB_ORG }}/stempy${MPI_TAG}${IPYKERNEL_TAG}:py${{ env.PYTHON_VERSION_NODOT }}-${COMMIT}${DEV_TAG}
          echo "TAG=${TAG}" >> $GITHUB_ENV

          LATEST_TAG=${{ env.DOCKERHUB_ORG }}/stempy${MPI_TAG}${IPYKERNEL_TAG}:latest${DEV_TAG}
          echo "LATEST_TAG=${LATEST_TAG}" >> $GITHUB_ENV

          JUPYTER_TAG=$(if [[ "${{ matrix.ipykernel }}" == 'ipykernel' ]]; then 
            echo "${{ env.DOCKERHUB_ORG }}/stempy-jupyterlab:latest${DEV_TAG}"
          else 
            echo ''
          fi)
          echo "JUPYTER_TAG=${JUPYTER_TAG}" >> $GITHUB_ENV

      - name: Build/push Dockerfile.base
        uses: docker/build-push-action@v3
        if: ${{ contains(github.event.head_commit.message, 'trigger-ci') || steps.changed-dockerfile-base.outputs.any_changed == 'true'}}
        with:
          context: .
          file: ./docker/Dockerfile.base
          push: ${{ github.event_name != 'pull_request' }}
          build-args: |
            PYTHON_VERSION=${{ env.PYTHON_VERSION }}
            DEV=${{ matrix.dev }}
          tags: ${{ env.BASE_TAG }}
          target: ${{ env.BASE_TARGET }}
          cache-to: type=gha, mode=max
          cache-from: type=gha, mode=max

      - name: Build/push Dockerfile.stempy
        uses: docker/build-push-action@v3
        with:
          context: .
          file: ./docker/Dockerfile.stempy
          push: ${{ github.event_name != 'pull_request' }}
          build-args: |
            PYTHON_VERSION=${{ env.PYTHON_VERSION }}
            BASE_IMAGE=${{ env.BASE_TAG }}
            RELEASE_OR_DEBUG=${{ env.RELEASE_OR_DEBUG }}
            MPI=${{ matrix.mpi }}
            IPYKERNEL=${{ matrix.ipykernel }}
          tags: |
            ${{ env.TAG }}
            ${{ env.LATEST_TAG }}
            ${{ env.JUPYTER_TAG }}
          target: build
          cache-to: type=gha, mode=max
          cache-from: type=gha, mode=max