pm2
Advanced Node.js process manager for production environments
Best for
Node.js devs/DevOps needing free, cross‑platform process management
Skip if
Multi‑runtime environments requiring built‑in advanced monitoring
What is pm2?
PM2 is a production-ready process manager for Node.js applications that simplifies deployment, monitoring, and scaling. It provides a robust set of tools to keep your services alive, automatically restart on failures, and manage logs. Designed for developers and DevOps teams, PM2 works across Web, Windows, Mac, and Linux platforms, integrating seamlessly with Docker, Kubernetes, AWS, and Google Cloud. Its free, open-source nature makes it accessible for any project size.
SpecificationsAI-estimated
Key Features of pm2
Use Cases for pm2
Production Process Management
Keep Node.js services running continuously with auto-restarts on failure.
Zero-Downtime Deployments
Update applications without dropping connections using graceful reloads.
Horizontal Scaling
Utilize all CPU cores by running multiple clustered instances of an app.
Container Orchestration
Manage Node.js processes inside Docker or Kubernetes clusters.
Pros & Cons of pm2
Pros
- Free and open-source
- Simple CLI with powerful features
- Cross-platform support
- Rich ecosystem of integrations
Cons
- Primarily focused on Node.js; limited for other runtimes
- Advanced monitoring may require external tools
- CLI can become complex for large fleets
Frequently Asked Questions
Is PM2 suitable for production use?
Yes, PM2 is designed for production with features like auto-restart, clustering, and zero-downtime reloads.
Can PM2 manage non‑Node.js processes?
PM2 can run any executable, but its advanced features are optimized for Node.js applications.
How does PM2 integrate with Docker?
PM2 can be installed inside Docker containers and used with the pm2-docker image to manage processes within containers.
What monitoring options are available?
PM2 provides a built-in web dashboard, CLI metrics, and can export data to external services like Keymetrics.
Pricing Overview
View full pricing →Detailed plans are not listed. Visit the official website for pricing information.
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