Tech Architecture
The whole system in the Django-Rest will split into several sub-services, such as Admin Service, Customer Service, Catalog Service, Order Service, Product Service, and Shopping Cart Service. The detailed functions of each service are shown below.
| Service Name | Functions | Connected DBs |
|---|---|---|
| Admin Service |
Admin user login / register Admin user management ... |
PostgreSQL |
| Customer Service |
Customer user login / register Customer user management ... |
PostgreSQL |
| Catalog Service |
Catalog management ... |
PostgreSQL |
| Order Service |
Order creating Order fulfillment Order management ... |
MongoDB (for redundant product info) PostgreSQL (ACID transaction) |
| Product Service |
Product management Product publish / recover Product searching Product recommendation ... |
MongoDB (schema-less) ES (product searching) Neo4j (product recommendation) |
| Shopping Cart Service |
Shopping display Add / Remove products Change amounts of items Submitting shopping cart ... |
Redis (HA shopping cart) RabbitMQ (asynchronous process) PostgreSQL (persistence) |