start-pm2.sh

#!/bin/bash

# PaperCode PM2 Startup Script
echo "========================================="
echo "Starting PaperCode with PM2"
echo "========================================="

# Check if PM2 is installed
if ! command -v pm2 &> /dev/null; then
    echo "❌ PM2 is not installed. Installing PM2..."
    npm install -g pm2
fi

# Create logs directory
mkdir -p logs

# Stop existing processes if any
echo "Stopping existing PM2 processes..."
pm2 stop ecosystem.config.js 2>/dev/null || true
pm2 delete ecosystem.config.js 2>/dev/null || true

# Update arXiv papers before starting
echo ""
echo "Updating arXiv papers..."
cd backend/scripts
python daily_arxiv_update.py --max-results 20 --days-back 1 > ../../logs/arxiv-startup.log 2>&1
if [ $? -eq 0 ]; then
    echo "✅ ArXiv papers updated successfully"
else
    echo "⚠️  ArXiv update failed (non-critical, continuing...)"
fi
cd ../..

# Start all services with PM2
echo ""
echo "Starting services with PM2..."
pm2 start ecosystem.config.js

# Save PM2 process list
pm2 save

# Display status
echo ""
echo "========================================="
echo "✅ PaperCode services started with PM2"
echo "========================================="
echo ""
echo "Useful PM2 commands:"
echo "  pm2 status          - View all services status"
echo "  pm2 logs            - View all logs"
echo "  pm2 logs <name>     - View specific service logs"
echo "  pm2 restart all     - Restart all services"
echo "  pm2 stop all        - Stop all services"
echo "  pm2 monit           - Monitor services in real-time"
echo ""
echo "Service URLs:"
echo "  Frontend: http://localhost:3000"
echo "  Backend:  http://localhost:8003"
echo "  API Docs: http://localhost:8003/docs"
echo ""
echo "ArXiv updater will run automatically at 2 AM daily"
echo ""

# Setup PM2 to start on system reboot (optional)
read -p "Do you want PM2 to start automatically on system reboot? (y/n) " -n 1 -r
echo
if [[ $REPLY =~ ^[Yy]$ ]]; then
    pm2 startup
    echo "✅ PM2 startup script generated. Follow the instructions above."
fi