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How to Build an Event-Driven ASP.NET Core Microservice Architecture

Learn how to use RabbitMQ, C#, REST-API, and Entity Framework to build an event-driven microservice architecture that supports asynchronous decoupled communication and eventual consistency with integration events and publish-subscribe. This guide includes step-by-step instructions for creating two C# ASP.NET Core microservices with their own bounded context, domain models, databases, and APIs. One microservice publishes integration events, and the other consumes them. The example application uses a real-world scenario with users who can write posts. The microservices are decoupled, and asynchronous communication leads to eventual consistency. The technology stack includes Sqlite databases, Entity Framework, and RabbitMQ. The guide includes an overview diagram and steps to create, configure, and test the workflow. Please note that the code and configurations in this guide are not suitable for production use and are intended for educational purposes only.