Github action with rollback.

deploy-rollback.yml

name: Deploy

on:
  push:
    branches:
      - main

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
      - name: Build application
        run: |
          npm install
          npm run build
      - name: Deploy application
        run: |
          ssh user@server "cd /path/to/application && git pull && npm install && npm run restart"
      - name: Create tag
        id: tag
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "Github Action"
          git tag deploy-$(date +'%Y%m%d%H%M%S')
          git push origin --tags
          
  rollback:
    needs: [deploy]
    if: startsWith(github.ref, 'refs/tags/rollback-')
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
      - name: Rollback application
        run: |
          ssh user@server "cd /path/to/application && git checkout ${GITHUB_SHA} && npm install && npm run restart"