pm2

Name: pm2
Brand: pm2

Advanced Node.js process manager for production environments

softwareDevOps & CI/CDProcess ManagerNode.jsServer Management

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Our Verdict

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

deploymentSelf-hosted

open source✅ Yes

github stars43,242

api available✅ Yes

support optionsEmail, GitHub Issues, Community Forum

key integrationsDocker, Kubernetes, AWS, Google Cloud

primary languageJavaScript

Key Features of pm2

Runs Node.js applications as background services with automatic daemonization.

Provides zero-downtime reloads for seamless updates without interrupting traffic.

Supports clustering to utilize multiple CPU cores for improved performance.

Collects and rotates logs, offering real-time log streaming and persistence.

Includes a built-in web dashboard for live metrics, process status, and resource usage.

Integrates with Docker and Kubernetes to manage containerized Node.js services.

Offers built-in support for deployment pipelines to AWS and Google Cloud environments.

Enables process monitoring via CLI and API, with alerts on crashes or high resource consumption.

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

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Free

Detailed plans are not listed. Visit the official website for pricing information.

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pm2