Advisor Quotes

About this demo

An adviser quote service: domain modelling, idempotent commands, optimistic concurrency, tracing and tests at every layer

A public demo with made-up clients. Anyone can create and change quotes, and the data resets every night.

Walkthrough

Read the code

Follow a request

Every API response carries an X-Trace-Id header. Create or move a quote, then open the trace viewer and find the command SaveQuote span, its price span and the SQL beneath it.