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PM2
Production process manager for Node.js applications
AGPL-3.0
ABOUT
AI backend services built in Node.js — model serving proxies, API gateways, real-time data pipelines, and webhook handlers — need to stay running 24/7, scale across CPU cores, and restart gracefully after failures. Running these with simple node or npm start commands leaves them vulnerable to crashes without recovery. PM2 solves this by providing a battle-tested process manager that keeps applications alive with automatic restarts, supports cluster mode to utilize all CPU cores, provides built-in log rotation and monitoring, and enables zero-downtime reloads for production deployments.
INSTALL
npm install -g pm2INTEGRATION GUIDE
1. Run Node.js model serving APIs with automatic restart on crash and configurable startup delays between retries
2. Scale AI backend services across all CPU cores using PM2's cluster mode for higher throughput
3. Monitor memory and CPU usage of AI application microservices through PM2's built-in dashboard and Keymetrics integration
4. Deploy AI application stacks across multiple servers with PM2's ecosystem file for consistent startup configuration
5. Implement zero-downtime reloads for model inference API updates without dropping active connections
TAGS
nodejsprocess-managerclusteringload-balancingmonitoringdeploymentdevops