name: Deploy Stack to Swarm

on:
  push:
    branches:
    - main
  workflow_dispatch:
    # Allows manual triggering

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout repository
      uses: actions/checkout@v3

    - name: Validate compose file
      run: |
        docker compose -f stack.yml config > /dev/null
        echo "✅ Compose file is valid"

    - name: Deploy to swarm
      run: |
        echo "🚀 Deploying stack..."
        docker stack deploy -c stack.yml ${{ github.event.repository.name }} --prune --with-registry-auth
        echo "✅ Stack deployed successfully"

    - name: Verify deployment
      run: |
        sleep 5 
        docker stack services ${{ github.event.repository.name }}