Add custom metrics to Express.js server with prom-client | Node Application Monitoring part 2

Описание: 0:00 Intro
0:20 Adding prom-client to node application
1:03 Defining custom counters
7:40 Testing new /metrics endpoint
8:06 Adding node application as Prometheus data source
9:27 Add Grafana panel to track uptime
11:58 Add Grafana panel to track % heads/tails
13:55 Testing it all out