What we are doing here ?

• Hexagonal (Clean) Architecture -> Port & Adapter Style

• Domain Driven Desing (DDD)

• SAGA Pattern : process & rollback ( compensating transactions )

• Outbox Pattern : Pulling Outbox Table With Scheduler , Saga Status

  • Cover Failure Scerinarios :

    • Ensure idempotency using outbox table in each service

    • Prevent concurrency issues with optimistic looks & DB constaints

    • Kepp updating saga and order status for each operation

• CQRS Pattern : Materialized view & Event Sourcing

• Relational Database : for ACID and distributed transactional

• Kafka Messaging Systems for CQRS desing and Microservices Communication

• Kubernetes And GKE ( Google Kubernetes Engine )