Application for gathering metrics from Node.js applications and exposing them on /internal/metrics endpoint in “prometheus” format with simple HTTP authentication.

It uses default metricizes of prom-client library

npm i @greetznl/node-metrics -P

// import module
const nodeMetrics = require('@greetznl/node-metrics');

// provide the http server on which will be risen the "/internal/metrics" endpoint
nodeMetrics(server)

INTERNAL_USER and INTERNAL_PASSWORD environment variables are required to be set for authentication. They are used for verifying username and password which should provided with request to /internal/metrics.