PM2 is a production process manager for Node.js applications with a built-in load balancer. It allows you to keep applications alive forever, to reload them without downtime and to facilitate common system admin tasks.
PM2 is constantly assailed by more than 300 tests.
Compatible with CoffeeScript. Works on Linux (stable) & MacOSx (stable) & Windows (bêta).
$ npm install pm2 -g
npm is a builtin CLI when you install Node.js - Installing Node.js with NVM
Node.js 0.11.14 is recommended for cluster mode and reload feature.
$ pm2 start app.js $ pm2 start app.js -i max # Enable load-balancer and cluster features
$ pm2 list
$ pm2 stop <app_name|id|all> $ pm2 restart <app_name|id|all> $ pm2 delete <app_name|id|all>
$ pm2 describe 0
$ pm2 monit
$ pm2 logs $ pm2 logs big-api $ pm2 flush # Clear all the logs
When an app is started with the -i
With the cluster mode, PM2 enables load balancing between each worker. Each HTTP/TCP/UDP request will be forwarded to one specific process at a time.
$ pm2 start app.js -i max # Enable load-balancer and cluster features $ pm2 reload all # Reload all apps in 0s manner
PM2 can generate and configure a startup script to keep PM2 and your processes alive at every server restart.
$ pm2 startup <ubuntu|centos|gentoo|systemd>
To save a process list just do:
$ pm2 save
We're going to release a very nice product, a dashboard to monitor every part of your Node.js applications. Here are some links:
Thanks in advance and we hope that you like PM2!
lib/ are made available under the terms of the GNU Affero General Public License 3.0 (AGPL 3.0).
Except the file
lib/CLI.js who is made under the terms of the Apache V2 license.