Update README.md

README.md

@@ -6,8 +6,16 @@ Tech :
 - Redis
 - RabbitMQ
 - Go-Resty
-- GRPC
+- gRPC
 - FiberPrometheus
 
+Handling the purchase process in e-commerce using microservices architecture. The order service includes several function:
+- CRUD orders data
+- Statisticize commission, profit, order count,...
+
+The order creation process involves two phases:
+Phase 1: Processes HTTP POST requests, retrieves data by making gRPC requests to other services, and sends messages (order_status:pending) into transaction service.
+Phase 2: Receives reply messages from transaction service and update order status (failed or success) into the database.
+
 <hr>
 <h4>Development by Tran Tien Dat</h4>