Watt Prometheus Demo

Open a terminal, then:

docker compose up

Use -d to start detached from terminal

Then Open with a browser: http://127.0.0.1:9090/ to see Prometheus UI

To see some data you can use autocannon, e.g.:

autocannon -c 10 -d 10 http://127.0.0.1:3042/next

Then you can query Prometheus UI, e.g.:

http_request_summary_seconds{serviceId="next"}