Github action to deploy serverless application
AWS_ACCESS_KEY_ID & AWS_SECRET_ACCESS_KEY on Github Settings -> SecretsSteps 4 & 5 can be modified as per your requirements.
Example Modifications:
name: Deploy to AWS
on:
  push:
    branches:
      - master
jobs:
  deploy:
    name: deploy
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node-version: [14.x]
    steps:
    - uses: actions/checkout@v2
    - name: Use Node.js ${{ matrix.node-version }}
      uses: actions/setup-node@v1
      with:
        node-version: ${{ matrix.node-version }}
    - run: npm ci
    - name: serverless setup
      run: |
        npm install -g serverless
        serverless config credentials --provider aws --key ${{ secrets.AWS_ACCESS_KEY_ID }} --secret ${{ secrets.AWS_SECRET_ACCESS_KEY }}
    - name: serverless deploy
      run: |
       sls deploy