Example Node.JS prometheus metrics using Express Middleware | Prometheus Monitoring
Hello world example of collecting promethus metrics in Node.JS using express Middleware. Also attached some more resources to learn more about prometheus exporters
What's in this Prometheus Hello World Example
In this example tutorial we have created 4 endpoints that returns response in random time:
http://localhost:3000 http://localhost:3000/one http://localhost:3000/two http://localhost:3000/three
Running to Checking our metrics
npm install npm start
Now visit those endpoints couple of times so that it generates the metrics for your visits.
Visit metrics endpoint you will see some metrics
Prometheus metrics example
See example_metrics.txt attached in the snippets to have an idea how prometheus metrics looks like.
Resources to learn more