[x] subscribe: fulfillment subscribes to order event (doesn't have to do anything yet other than get it)
[ ] generate publish and subscribe clients
UI with one page with a button:
[x] User clicks confirm purchase which sends event to server, uses generated publish code
Server (or direct to message broker?):
[ ] Push event into channel "orders". (what about authentication? what format if direct to broker? How does generated code know what format to use? this is why some http proxy might be really nice)
AsyncAPI spec:
UI with one page with a button:
Server (or direct to message broker?):
Fulfilment server: