upload_lambda_from_comment.yml

# GitHub workflow file
name: Deploy on demand Online DevOps Dojo coach lambda

on:
  issue_comment:
    types: [created, edited]

jobs:
  reaction_on_comment:
    runs-on: ubuntu-20.04
    if: startsWith(github.event.comment.body, '/deploy')

    steps:
      - name: Add reaction
        uses: peter-evans/create-or-update-comment@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          comment-id: ${{ github.event.comment.id }}
          body: '**Go!**'
          reaction-type: rocket
  
  deploy_on_comment:
    runs-on: ubuntu-20.04 # includes Node.js 12, same version as for AWS Lambda
    needs: reaction_on_comment
    timeout-minutes: 10
     
    steps:
      - name: "Triggered by ${{ github.actor }}"
        run: echo Workflow triggered by $GITHUB_ACTOR

      - name: Copy the repository
        uses: actions/checkout@v2
      
      # Node 12 included in LTS ubuntu-20.04 matches the version used for AWS Lambda
      # (https://github.com/actions/virtual-environments/blob/master/images/linux/Ubuntu2004-README.md)
      # hence comment the upgrade code for now 
      # - name: Check Node 12
      #   uses: actions/setup-node@v1.4.2
      #   with:
      #     node-version: 12

      # not supported yet for issue_comment event
      # - name: Cache node modules  
      #   uses: actions/cache@v2
      #   env:
      #     cache-name: cache-node-modules
      #   with:
      #     path: ~/.npm # npm cache files are stored in `~/.npm` on Linux/macOS
      #     key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
      #     restore-keys: |
      #       ${{ runner.os }}-build-${{ env.cache-name }}-
      #       ${{ runner.os }}-build-
      #       ${{ runner.os }}-

      # Install nodejs packages listed in package-lock.json.
      - name: Install node modules
        run: npm ci --only=prod --no-fund
  
      # run "serverless deploy --verbose" in a docker container and run the config file serverless.yml
      - name: Deploy lambda
        uses: serverless/github-action@v2.1.0
        env: # all mandatory
          # AWS
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_KEY }}
          AWS_REGION: ${{ secrets.AWS_REGION }}
          AWS_STAGE: ${{ secrets.AWS_STAGE }}
          # GITHUB APP
          APP_ID: ${{ secrets.APP_ID }}
          WEBHOOK_SECRET: ${{ secrets.WEBHOOK_SECRET }}
          PRIVATE_KEY: ${{ secrets.PRIVATE_KEY }}
        with:
          args: deploy --verbose