riannegreiros / microservices-k8s

Microservices demo app deployed to Azure Kubernetes Services (AKS) through CI/CD Azure Pipelines

E-commerce Microservices

Deploy to Azure Kubernetes Services (AKS) through CI/CD Azure Pipelines

Image	Status
Catalog API
Basket API
Discount API
Ordering API
Discount GRPC
Ocelot API Gateway
Shopping Agreggator
Shopping Web

Features

Catalog microservice which includes

• ASP.NET Core Web API application
• REST API principles, CRUD operations
• MongoDB database connection and containerization
• Repository Pattern Implementation
• Swagger Open API implementation

Basket microservice which includes

• ASP.NET Web API application
• REST API principles, CRUD operations
• Redis database connection and containerization
• Consume Discount Grpc Service for inter-service sync communication to calculate product final price
• Publish BasketCheckout Queue with using MassTransit and RabbitMQ

Discount microservice which includes

• ASP.NET Grpc Server application
• Build a Highly Performant inter-service gRPC Communication with Basket Microservice
• Exposing Grpc Services with creating Protobuf messages
• Using Dapper for micro-orm implementation to simplify data access and ensure high performance
• PostgreSQL database connection and containerization

Microservices Communication

• Sync inter-service gRPC Communication
• Async Microservices Communication with RabbitMQ Message-Broker Service
• Using RabbitMQ Publish/Subscribe Topic Exchange Model
• Using MassTransit for abstraction over RabbitMQ Message-Broker system
• Publishing BasketCheckout event queue from Basket microservices and Subscribing this event from Ordering microservices
• Create RabbitMQ EventBus.Messages library and add references Microservices

Ordering Microservice

• Implementing DDD, CQRS, and Clean Architecture with using Best Practices
• Developing CQRS with using MediatR, FluentValidation and AutoMapper packages
• Consuming RabbitMQ BasketCheckout event queue with using MassTransit-RabbitMQ Configuration
• SqlServer database connection and containerization
• Using Entity Framework Core ORM and auto migrate to SqlServer when application startup

API Gateway Ocelot Microservice

• Implement API Gateways with Ocelot
• Sample microservices/containers to reroute through the API Gateways
• Run multiple different API Gateway/BFF container types
• The Gateway aggregation pattern in Shopping.Aggregator

WebUI ShoppingApp Microservice

• ASP.NET Core Web Application with Bootstrap 4 and Razor template
• Call Ocelot APIs with HttpClientFactory and Polly

How to run

Prerequesites

• .NET Core 6
• Docker

1 - At the root directory which include docker-compose.yml, run:

docker-compose up --build

2 - Wait for docker compose all microservices.

3 - You can launch the microservices in the URLS below:

• Catalog API -> http://localhost:8000/swagger/index.html

• Basket API -> http://localhost:8001/swagger/index.html

• Discount API -> http://localhost:8002/swagger/index.html

• Ordering API -> http://localhost:8004/swagger/index.html

• Shopping.Aggregator -> http://localhost:8005/swagger/index.html

• API Gateway -> http://localhost:8010/Catalog

• Rabbit Management Dashboard -> http://localhost:15672 -- guest/guest

• Portainer -> http://localhost:9000 -- admin/admin1234

• pgAdmin PostgreSQL -> http://localhost:5050 -- [email protected]/admin1234

• Web UI -> http://localhost:8006