Gym Class Booking microservice

Keywords: Hexagonal-Architecture, microservice, kotlin, Helidon-SE, Debezium, SOLID, Domain-Driven Design, functional-programming, Event-Driven Architecture, Domain-Events, Kafka, PostgreSQL, Transactional-outbox, optimistic-locking

Functional requirements

• The system must allow the booking of an existing gym class.
• The system must allow to subscribe to waitlist for a fully booked gym class.
• The system must allow to cancel a booking.
• The system must automatically book the first person in the waitlist when a booking is canceled.

Pending

• Gym class lyfecycle (CRUD ops): create, update, delete.

Debezium conf:

It is used only in the test env, for a prod usage it should be configured:

Debezium test container