How to monitor unix socket through prometheus?

Question

Layout

There is a microservice on elexir responsible for the websocket of my web application. I want to know when it falls off the number, the number of connections and other useful parameters.

Answer 1

I think something like this
https://codepen.io/vyprik/pen/gxwQBR

Answer 2

Gee. I myself wondered about half a year ago)))
How are such borders made up today?

Answer 3

Write a service that reads a unix socket and returns metrics via HTTP.