site and webhooks packages stubbed

diagrams/event_sourcing.uml

@@ -0,0 +1,25 @@
+@startuml
+
+
+cloud "ecommerce platforms:\n             A, B, C, ..." as platforms
+boundary webhook
+database db as "db (postgres)" {
+	rectangle "raw events" as eventtable
+	control trigger
+
+	rectangle views {
+		rectangle virtual as virtualViews
+		rectangle material as materialViews
+	}
+}
+
+
+platforms -> webhook : event
+webhook -> eventtable : save
+eventtable -> trigger : read
+trigger -up-> materialViews : update
+eventtable -up-> virtualViews
+materialViews -left-> virtualViews
+
+
+@enduml