HTTP middleware and business metrics

11 min

Audience: beginner, lessons 01 and 02 read
Duration: 35 to 45 min
Module: 3/7
Target skill: read the observer() function that measures every HTTP request of the API, check request by request what it counts and what it ignores, and distinguish a technical metric (measured for all routes) from a business metric (incremented inside a route, at the exact place where the event happens)

Preview — the rest of the lesson is for enrolled readers.

Already enrolled with a code?

Your access is tied to your account, not to this link. Sign in with the same email you used in class: your course is waiting, no need to enter the code again.

This lesson is part of the “Instrument the deployed solution” module

The first modules of the course are open to everyone. For the rest you have three options: buy this course once and for all, subscribe, or enter the code handed out in class.

Subscribe — 19 $ US/month Back to the outline