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PM2 Waker Service

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A lightweight Go service that manages PM2-driven apps, starting them on-demand and stopping after inactivity.

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About

A very lightweight, self-contained Go service to automatically start and stop pm2-managed apps on-demand. Perfect for dev servers or when hosting several low-traffic sites, saving system resources by only running apps when accessed. Uses only ~10 MB compared to ~150 MB per running app!

Features

  • On-demand app startup via Nginx integration
  • Automatic shutdown after configurable inactivity period
  • Minimal resource usage (~10 MB)
  • Works with Nginx 502 error handling
  • Activity ping system to reset timers

Tech Stack

Go PM2 Nginx