name: Node.js CI/CD

on: 
  push: # tells github to run this on any push to the repository
    branches:
      - main

jobs:
  deploy:
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main' # we tell Github to only execute this step if we're on our main branch (so we don't put unfinished branches in production)
    steps:
      - name: Deploying to Ayrenn
        uses: appleboy/ssh-action@master # An action made to control Linux servers
        with: # We set all our secrets here for the action, these won't be shown in the action logs
          host: ${{ secrets.HOST }}
          username: ${{ secrets.USERNAME }}
          key: ${{ secrets.KEY }}
          port: ${{ secrets.PORT }}
          script: |
            cd nodbot # we move into our app's folder
            git pull # we pull any changes from git
            npm prune # we remove any unused dependencies
            npm install # we install any missing dependencies
            pm2 reload nodbot # we reload the app via PM2