name: Publish to PyPI

on:
  push:
    tags: [ 'v*' ]

env:
  DEFAULT_PYTHON: 3.9

jobs:
  publish:
    name: Publish to PyPI
    runs-on: ubuntu-latest

    steps:
    - name: Checkout
      uses: actions/checkout@v2
    - name: Set up Python
      uses: actions/setup-python@v2
      with:
        python-version: ${{ env.DEFAULT_PYTHON }}
    - name: Install dependencies
      run: |
        pip install --upgrade build
    - name: Build
      run: |
        python -m build
    - name: Publish to PyPI
      uses: pypa/gh-action-pypi-publish@master
      with:
        password: ${{ secrets.PYPI_API_TOKEN }}