This system demonstrates how bounded contexts in a microservices architecture are mapped and interact. Each bounded context represents a distinct domain with its own data and logic, communicating through well-defined interfaces. The key requirement is to maintain clear boundaries to avoid data conflicts and enable independent service evolution.
User
|
v
+----------------+
| API Gateway |
+----------------+
| |
v v
+---------+ +---------+
| Order | | Payment |
| Service | | Service |
+---------+ +---------+
| |
v v
+---------+ +---------+
| Order | | Payment |
| DB | | DB |
+---------+ +---------+
Legend:
- API Gateway routes requests
- Order Service handles order domain
- Payment Service handles payment domain
- Each service has its own database
- Services communicate asynchronously via message queue
+----------------+
| Message Queue |
+----------------+
^
|
+----------------+
| Shipping |
| Service |
+----------------+
|
v
+----------------+
| Shipping DB |
+----------------+