Microservices.io is brought to you by Chris Richardson. Experienced software architect, author of POJOs in Action and the creator of the original CloudFoundry.com. His latest startup is eventuate.io, a microservices application platform.
Chris offers a comprehensive set of resources for learning about microservices including articles, an O'Reilly training video, and example code. Learn more
Chris offers a comprehensive consulting services, workshops and hands on training classes to help you use microservices effectively. Get advice
I'll be there in May!Contact me
Want to see an example? Check out Chris Richardson's example applications. See code
Join the microservices google group
You have applied the Event-driven architecture pattern. In order to be reliable, services must atomically publish events whenever their state changes. It is not viable to use a distributed transaction that spans the database and the message broker.
How to reliably/atomically publish events whenever state changes?
One or more database triggers insert events into an
EVENTS table, which is polled by a separate process that publishes the events.
Cross cutting concerns