Serverless deploy with state management in S3

serverless-deploy.yml

name: Continuous deploy

on:
  push:
    branches: [master]

jobs:
  serverless-deploy:
    runs-on: ubuntu-latest

    env:
      AWS_ACCESS_KEY_ID: ${{secrets.AWS_ACCESS_KEY_ID}}
      AWS_SECRET_ACCESS_KEY: ${{secrets.AWS_SECRET_ACCESS_KEY}}

    steps:
      - uses: actions/checkout@v1
      - uses: actions/setup-node@v1
        with:
          node-version: 12
      
      - name: Install dependencies
        run: npm ci
        
      - name: Run tests
        run: npm test
      
      - name: Download `.serverless` state from S3
        run: aws s3 sync s3://my-bucket/my-repo-name/env-name/.serverless .serverless --delete 

      - name: Deploy to AWS
        run: npm run deploy
            
      - name: Upload `.serverless` state to S3
        run: aws s3 sync .serverless s3://my-bucket/my-repo-name/env-name/.serverless --delete