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Monitor your Node.js app in

In seconds, this tutorial will show you how to monitor a node.js application with PM2 Plus and

We assume that your app has already been wrapped with pm2. If not, follow the PM2 Tutorial.

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You first need to use pm2 to wrap your app inside your Docker container. If not, follow the tutorial.

In order to connect pm2 to your dashboard, you must add your public and private keys in the environment.

Add a KEYMETRICS_PUBLIC and a KEYMETRICS_SECRET environment variables and fill their value with your keys.

You can access your keys at the top right of your dashboard

Set the server name in pm2 Plus

Add a PM2_MACHINE_NAME environment variable to the ecosystem file to specify a server name:

module.exports = {
  apps : [{
    name: "app",
    script: "./app.js",
    instances: "max",
    env: {
      NODE_ENV: "development",
    env_production: {
      NODE_ENV: "production",
      PM2_MACHINE_NAME: "now-my-app",

The default server name is the hostname (HOST variable) with a few random characters.

Be careful, in case of duplicate hostnames the dashboard will receive data from both instances and flicker.

Next Steps

Complete your dashboard configuration.

Additional info

With PM2 Harden your Node.js Workload and be Ready to Scale

Setup takes 2 minutes with no configuration change