PM2 Config file with Deployment

module.exports = {
  apps: [
    {
      name: "my-nextjs-app",  // The name of your app in PM2
      script: "node_modules/next/dist/bin/next",  // Path to Next.js start script
      args: "start -p 3000",  // Command arguments (start on port 3000)
      time: true,  // Add timestamp to logs
      autorestart: true,  // Restart app if it crashes
    },
  ],
  deploy: {
    production: {  // Production environment settings
      user: "ubuntu",  // The username on your server
      host: "myapp.example.com",  // Your server's domain or IP
      key: "~/.ssh/myapp_server_key.pem",  // Path to your SSH key
      ref: "origin/main",  // Git branch to deploy
      repo: "https://github.com/myusername/my-nextjs-app.git",  // Your GitHub repo URL
      path: "/home/ubuntu/apps/my-nextjs-app",  // Where to deploy on the server
      "pre-deploy-local": "echo 'Deploying to production...'",  // Local command before deploy
      "pre-deploy": "source ~/.bashrc && source ~/.nvm/nvm.sh && nvm use 16",  // Server command before deploy
      "post-deploy":  // Server commands after code is updated
        "source ~/.bashrc && " +
        "source ~/.nvm/nvm.sh && " +
        "nvm use 16 && " +  // Use Node.js v16
        "pnpm install && " +  // Install dependencies
        "pnpm run build && " +  // Build the Next.js app
        "pm2 startOrRestart ecosystem.config.js --env production",  // Start/restart the app
    },
    staging: {  // You can add multiple environments
      // ... similar structure to production, but for staging
    },
  },
};