track /02-order-pipeline

Event-Driven Order Pipeline

Rebuild a slow, synchronous checkout around a message queue — accept orders fast, process them async, lose nothing.

Intermediate ~9h pythonrabbitmqpostgresqldocker

Your evidence lives here

Sign in, enroll, and rehearse the failures on purpose — kill the worker, publish the duplicate, pull the queue out from under it. What you paste here is what says you did.