name: Update documentation

on:
  push:
    branches:
      - master

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v1
    - name: Set up Python 3.7
      uses: actions/setup-python@v1
      with:
        python-version: 3.7
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements.dev.txt
    - name: Build
      run: mkdocs build
    - name: Deploy
      uses: peaceiris/actions-gh-pages@v2.5.0
      env:
        ACTIONS_DEPLOY_KEY: ${{ secrets.ACTIONS_DEPLOY_KEY }}
        PUBLISH_BRANCH: gh-pages
        PUBLISH_DIR: ./site