/**
 * PM2 Ecosystem Configuration
 * 
 * This file configures PM2 to run the Next.js application in cluster mode
 * for better performance and reliability.
 * 
 * Usage:
 *   pm2 start ecosystem.config.js
 *   pm2 save
 *   pm2 startup
 */

module.exports = {
  apps: [{
    name: 'moyos-wedding-app',
    script: 'npm',
    args: 'start',
    
    // Cluster mode for load distribution
    instances: 2,
    exec_mode: 'cluster',
    
    // Environment variables
    env: {
      NODE_ENV: 'production',
      PORT: 3000,
    },
    
    // Logging
    error_file: './logs/err.log',
    out_file: './logs/out.log',
    log_date_format: 'YYYY-MM-DD HH:mm:ss Z',
    merge_logs: true,
    time: true,
    
    // Resource limits
    max_memory_restart: '2G',
    
    // Auto-restart configuration
    autorestart: true,
    watch: false,
    max_restarts: 10,
    min_uptime: '10s',
    restart_delay: 4000,
    
    // Graceful shutdown
    kill_timeout: 5000,
    wait_ready: true,
    listen_timeout: 10000,
    
    // Advanced options
    instance_var: 'INSTANCE_ID',
    
    // Health check (if using PM2 Plus/Monitoring)
    // pmx: true,
  }],
  
  // Deployment configuration (optional)
  deploy: {
    production: {
      user: 'deploy',
      host: 'your-server.com',
      ref: 'origin/main',
      repo: 'git@github.com:your-org/moyos-wedding-app.git',
      path: '/opt/moyos-wedding-app',
      'post-deploy': 'npm ci && npm run build && pm2 reload ecosystem.config.js --env production',
      'pre-setup': 'apt-get update && apt-get install -y git',
    },
    staging: {
      user: 'deploy',
      host: 'staging-server.com',
      ref: 'origin/develop',
      repo: 'git@github.com:your-org/moyos-wedding-app.git',
      path: '/opt/moyos-wedding-app-staging',
      'post-deploy': 'npm ci && npm run build && pm2 reload ecosystem.config.js --env staging',
    },
  },
};