build-docker.yml

name: Update docker image

on:
  workflow_dispatch: # Trigger by hand from the UI
    inputs:
      branch:
        type: choice
        description: branch to build the image from
        options:
          - develop
  push:
    branches:
      - develop


jobs:
  build-and-release-docker-image:
    name: Builds a dockerimage with the python bindings of preCICE
    runs-on: ubuntu-latest
    env:
        docker_username: precice
    steps:
      - name: Set branch name for manual triggering
        if: github.event_name == 'workflow_dispatch'
        shell: bash
        run: echo "BINDINGS_REF=${{ inputs.branch }}" >> $GITHUB_ENV
      - name: Set branch name for "on pull request" triggering
        if: github.event_name != 'pull_request' && github.event_name != 'workflow_dispatch'
        shell: bash
        run: echo "BINDINGS_REF=${{ github.ref_name }}" >> $GITHUB_ENV
      - name: Set PRECICE_TAG and the TAG depending on branch
        shell: bash
        run: |
          echo "PRECICE_TAG=${{ env.BINDINGS_REF }}" >> "$GITHUB_ENV"
          echo "TAG=${{ env.BINDINGS_REF }}" >> "$GITHUB_ENV"
          echo "Building TAG: ${{ env.BINDINGS_REF }}"
      - name: Checkout Repository
        uses: actions/checkout@v2
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      - name: Login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ env.docker_username }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Build and push Dockerfile
        uses: docker/build-push-action@v2
        with:
          push: true
          file: "./tools/releasing/packaging/docker/Dockerfile"
          tags: ${{ env.docker_username }}/python-bindings:${{ env.TAG }}
          build-args: |
            PRECICE_TAG=${{ env.PRECICE_TAG }}
            PYTHON_BINDINGS_REF=${{ env.BINDINGS_REF }}