deploy.yml

name: Deploy

on:
  workflow_run:
    workflows: ["CI"]
    branches: [main]
    types:
      - completed

jobs:
  deploy:
    name: Deploy to Production
    runs-on: ubuntu-latest
    if: ${{ github.event.workflow_run.conclusion == 'success' }}
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push backend image
        uses: docker/build-push-action@v5
        with:
          context: ./backend
          push: true
          tags: ghcr.io/${{ github.repository }}/backend:latest

      - name: Deploy backend
        run: echo "Deploying backend to hosting provider..."
        # Replace with actual deploy command, e.g., Fly.io:
        # flyctl deploy --image ghcr.io/${{ github.repository }}/backend:latest
        env:
          DEPLOY_TOKEN: ${{ secrets.DEPLOY_TOKEN }}

      - name: Setup Node.js for migrations
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Run DB migrations
        env:
          DATABASE_URL: ${{ secrets.DATABASE_URL }}
        run: node migrate.js

      - name: Deploy frontend
        run: echo "Deploying frontend to static hosting..."
        # Replace with actual deploy action, e.g., Vercel:
        # npx vercel --prod --token ${{ secrets.VERCEL_TOKEN }}

      - name: Post deploy status to Slack
        uses: 8398a7/action-slack@v3
        with:
          status: ${{ job.status }}
          text: Deployment to production completed.
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
        if: always()