github action to deploy to s3 static site and flush cf

deploy_to_s3.yaml

name: Deploy and flush cache

on:
  push:
    branches:
      - master

jobs:
  build_and_deploy:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Configure AWS Credentials
        uses: aws-actions/configure-aws-credentials@v1
        with:
          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          aws-region: us-east-1

      - name: Push to s3
        env:
          AWS_S3_BUCKET: ${{ secrets.AWS_S3_BUCKET }}
          SOURCE_DIR: "."
        run: |
         aws s3 sync $SOURCE_DIR s3://$AWS_S3_BUCKET

      - name: Bust cache
        env:
          AWS_DISTRIBUTION_ID: ${{ secrets.AWS_DISTRIBUTION_ID }}
        run: |
         aws cloudfront create-invalidation --distribution-id $AWS_DISTRIBUTION_ID --paths "/*" "/**/*"