fastrl-docker.yml

name: Build fastrl images
on:
  schedule:
    - cron: '1 6 * * *'
  workflow_dispatch: #allows you to trigger manually
  push:
    branches:
      - main
      - update_nbdev_docs
      - feature/ppo

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      max-parallel: 1
      matrix:
        build_type: [dev]
        # build_type: [prod, dev]
    steps:
    - name: Copy This Repository Contents
      uses: actions/checkout@v2
      with:
        submodules: recursive

    - uses: actions/setup-python@v2
      with:
        python-version: '3.8'
        architecture: 'x64'

    - name: Copy settings.ini file
      run: |
        wget https://raw.githubusercontent.com/josiahls/fastrl/master/settings.ini
    - name: get version from settings.ini and create image name
      id: get_variables
      run: |
        from configparser import ConfigParser
        import os
        from pathlib import Path
        config = ConfigParser()
        settings = Path('settings.ini')
        assert settings.exists(), 'Not able to read or download settings.ini file.'
        config.read(settings)
        cfg = config['DEFAULT']
        print(f"::set-output name=version::{cfg['version']}")
        btype = os.getenv('BUILD_TYPE')
        assert btype in ['prod', 'dev'], "BUILD_TYPE must be either prod, dev or course"
        if btype != 'prod':
            image_name = f'josiahls/fastrl-{btype}'
        else:
            image_name = 'josiahls/fastrl'
        print(f"::set-output name=image_name::{image_name}")
      shell: python
      env:
        BUILD_TYPE: ${{ matrix.build_type }}

    - name: build and tag container
      run: |
        export DOCKER_BUILDKIT=1
        # We need to clear the previous docker images
        # docker system prune -fa
        docker pull ${IMAGE_NAME}:latest || true
        # docker build --build-arg BUILD=${BUILD_TYPE} \
        docker build --cache-from ${IMAGE_NAME}:latest --build-arg BUILD=${BUILD_TYPE} \
          -t ${IMAGE_NAME}:latest \
          -t ${IMAGE_NAME}:${VERSION} \
          -t ${IMAGE_NAME}:$(date +%F) \
          -f fastrl.Dockerfile .
      env:
        VERSION: ${{ steps.get_variables.outputs.version }}
        IMAGE_NAME: ${{ steps.get_variables.outputs.image_name }}
        BUILD_TYPE: ${{ matrix.build_type }}

    - name: push images
      run: |
        echo ${PASSWORD} | docker login -u $USERNAME --password-stdin
        docker push ${IMAGE_NAME}
      env:
        USERNAME: ${{ secrets.DOCKER_USERNAME }}
        PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
        IMAGE_NAME: ${{ steps.get_variables.outputs.image_name }}