This is my pet project, the goal of which is to develop a solution for a small coffee company.
Basic requirements that the solution must meet:
- Authorization of organization employees
- Role-based access control
- CRUD products
- Order formation
- Order tracking
- Forwarding the order to the kitchen/barista
- Availability of a loyalty program
- Services observability
Depending on the business logic, the following microservices are planned
| Service | Host |
|---|---|
| ProductService | grpc:5000 |
| AuthService | grpc:5001 |
| RoyaltyService | grpc:5002 |
| OrderService | grpc:5003 |
| StorageService | S3Minio:5004 |
| BaristaService | http:5005 |
| KitchenService | http:5006 |
| API Gateway | http:8000 |
As shown in the diagram, a database-per-service approach is used.
To ensure fault tolerance, an asynchronous approach to communication of some microservices is used, in particular, the SAGA and transactional outbox patterns are used.
- Metrics:
- Prometheus
- Grafana
- Tracing:
- Jaeger
- Logging:
- Graylog
make build- ProductService
- AuthService
- RoyaltyService
- OrderService
- StorageService
- BaristaService
- KitchenService
- API Gateway
- Integration Tests
- UI (Dart/Flutter)