Sample Application

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Kieron Lanning edited this page Apr 16, 2026 · 1 revision

Sample Application

Projects

Project	Purpose
`EventSourcing.Samples`	Domain types and application services
`EventSourcing.Samples.Web`	Razor Pages UI
`EventSourcing.Samples.AppHost`	Aspire local orchestration
`EventSourcing.Samples.ServiceDefaults`	Health checks, telemetry, and service discovery helpers

What the sample demonstrates

non-generic IEventStore / IQueryableEventStore usage
transaction-based multi-aggregate workflows
SQL Server events + SQL Server queryable snapshots
Redis distributed caching when available
Azure Blob-backed product image service when configured
Aspire-driven local orchestration for SQL Server, Redis, and Azurite

Key services

`CartCheckoutService`

loads the customer
loads and validates multiple inventory records
creates an order
enlists the order plus inventory reservations in one transaction

`OrderFulfillmentService`

creates and confirms an order
reserves stock
commits both aggregates through a transaction

`StockTransferService`

loads source and destination locations
adjusts source and destination inventory
commits both aggregate changes through a transaction

Running the sample

Standalone web app

Run the sample web project with the required connection strings configured.

Aspire AppHost

EventSourcing.Samples.AppHost provisions:

SQL Server container + database
Redis
Azurite / blob storage emulator
the sample web project

This is the easiest way to spin up the full sample stack locally.