keep-backend-awake.yml

name: Keep Backend Awake

# This workflow pings your Render backend every 10 minutes to prevent cold starts
# To use this:
# 1. Replace YOUR_BACKEND_URL with your actual Render URL
# 2. Commit this file to your repository
# 3. GitHub Actions will automatically run it

on:
  schedule:
    # Runs every 10 minutes
    - cron: '*/10 * * * *'
  
  # Allows manual trigger from Actions tab
  workflow_dispatch:

jobs:
  ping-backend:
    runs-on: ubuntu-latest
    
    steps:
      - name: Ping Backend Wake Endpoint
        run: |
          echo "Pinging backend to keep it awake..."
          response=$(curl -s -o /dev/null -w "%{http_code}" https://intelligent-rag.onrender.com/wake)
          
          if [ $response -eq 200 ]; then
            echo "✅ Backend is awake (HTTP $response)"
          else
            echo "⚠️ Backend returned HTTP $response"
          fi
      
      - name: Ping Health Endpoint
        run: |
          echo "Checking backend health..."
          response=$(curl -s -o /dev/null -w "%{http_code}" https://intelligent-rag.onrender.com/health)
          
          if [ $response -eq 200 ]; then
            echo "✅ Backend health check passed (HTTP $response)"
          else
            echo "⚠️ Backend health check returned HTTP $response"
          fi

# Note: This uses GitHub Actions minutes from your account
# Free tier includes 2,000 minutes/month which is more than enough
# This workflow uses approximately 144 minutes/month (6 runs/hour * 24 hours * 30 days * ~0.1 min/run)