Example of action for deploying smart contracts.

Github action deploy.yaml

on:
  workflow_dispatch:
  push:
    branches:
      - main
    paths:
      - "**.sol"

name: Deploy to testnet

env:
  PRIVATE_KEY: ${{ secrets.PRIVATE_KEY }}
  WEB3_INFURA_PROJECT_ID: ${{ secrets.WEB3_INFURA_PROJECT_ID }}
  POLYGONSCAN_TOKEN: ${{ secrets.POLYGONSCAN_TOKEN }}

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Setup Python 3.9
        uses: actions/setup-python@v2
        with:
          python-version: 3.9

      - name: Install python dependencies
        run: pip install -r requirements.txt

      - name: Create mock .env file
        run: touch .env

      - name: Deploy to testnet
        run: brownie run deploy_live --network polygon-test

      - name: Commit deployment
        uses: EndBug/add-and-commit@v9
        with:
          message: Deploy to testnet
          default_author: github_actions