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Awesome Open Source

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UDEMY COURSE WITH DISCOUNTED - Step by Step Development of this repository -> https://www.udemy.com/course/microservices-architecture-and-implementation-on-dotnet/?couponCode=FA24745CC57592AB612A

NOTE : For those who comes from udemy, I have just updated the repository so udemy course will be updated soon. Since that time the course repository moved here -> https://github.com/mehmetozkaya/MicroservicesApp

See the overall picture of implementations on microservices with .net tools on real-world e-commerce microservices project;

microservices_remastered

There is a couple of microservices which implemented e-commerce modules over Product, Basket, Discount and Ordering microservices with NoSQL (MongoDB, Redis) and Relational databases (PostgreSQL, Sql Server) with communicating over RabbitMQ Event Driven Communication and using Ocelot API Gateway.

Whats Including In This Repository

We have implemented below features over the run-aspnetcore-microservices repository.

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

Microservices Cross-Cutting Implementations

  • Implementing Centralized Distributed Logging with Elastic Stack (ELK); Elasticsearch, Logstash, Kibana and SeriLog for Microservices
  • Use the HealthChecks feature in back-end ASP.NET microservices
  • Using Watchdog in separate service that can watch health and load across services, and report health about the microservices by querying with the HealthChecks

Microservices Resilience Implementations

  • Making Microservices more resilient Use IHttpClientFactory to implement resilient HTTP requests
  • Implement Retry and Circuit Breaker patterns with exponential backoff with IHttpClientFactory and Polly policies

Ancillary Containers

  • Use Portainer for Container lightweight management UI which allows you to easily manage your different Docker environments
  • pgAdmin PostgreSQL Tools feature rich Open Source administration and development platform for PostgreSQL

Docker Compose establishment with all microservices on docker;

  • Containerization of microservices
  • Containerization of databases
  • Override Environment variables

Run The Project

You will need the following tools:

Installing

Follow these steps to get your development environment set up: (Before Run Start the Docker Desktop)

  1. Clone the repository
  2. Once Docker for Windows is installed, go to the Settings > Advanced option, from the Docker icon in the system tray, to configure the minimum amount of memory and CPU like so:
  • Memory: 4 GB
  • CPU: 2
  1. At the root directory which include docker-compose.yml files, run below command:
docker-compose -f docker-compose.yml -f docker-compose.override.yml up d
  1. Wait for docker compose all microservices. That’s it! (some microservices need extra time to work so please wait if not worked in first shut)

  2. You can launch microservices as below urls:

  1. Launch http://host.docker.internal:8007 in your browser to view the Web Status. Make sure that every microservices are healthy.
  2. Launch http://host.docker.internal:8006 in your browser to view the Web UI. You can use Web project in order to call microservices over API Gateway. When you checkout the basket you can follow queue record on RabbitMQ dashboard.

mainscreen2

Note: If you are running this application in macOS then use docker.for.mac.localhost as DNS name in .env file and the above URLs instead of host.docker.internal.

The Book - Microservices Architecture and Step by Step Implementation on .NET

You can find Microservices Architecture and Step by Step Implementation on .NET book which step by step developing this repository with extensive explanations and details. This book is the best path to leverage your .NET skills in every aspect from beginner to senior level you can benefit to ramp-up faster on Enterprise Application Development practices and easy to Onboarding to Full Stack .Net Core Developer jobs.

The book also includes more practical information and I update it regularly and send it again with new versions. So the idea is once you buy a book, I take this as supporting me and join them in my privilege group for sharing next outputs. For example I am planning to add IdentityServer4 implementation, firstly I added it into a book and sent it to you.

Download Microservices Architecture and Step by Step Implementation on .NET Book

aspnetrun_microservices3

Download Microservices Architecture and Step by Step Implementation on .NET Book

Upcomming Features

  • Authentication with IdentityServer4
  • Deployment with AKS
  • Devops with Azure Devops

What is AspnetRun ?

The best path to leverage your ASP.NET Core skills. Onboarding to Full Stack .Net Core Developer jobs. Boilerplate for ASP.NET Core reference application with Entity Framework Core, demonstrating a layered application architecture with DDD best practices. Implements NLayer Hexagonal architecture (Core, Application, Infrastructure and Presentation Layers) and Domain Driven Design (Entities, Repositories, Domain/Application Services, DTO's...) and aimed to be a Clean Architecture, with applying SOLID principles in order to use for a project template. Also implements best practices like loosely-coupled, dependency-inverted architecture and using design patterns such as Dependency Injection, logging, validation, exception handling, localization and so on.

You can check full repository documentations and step by step development of 100+ page e-book PDF from here - https://aspnetrun.azurewebsites.net. Also detail introduction of book and project structure exists on medium aspnetrun page. You can follow aspnetrun repositories for building step by step asp.net core web development skills.

AspnetRun Repositories

Here you can find all of the aspnetrun repositories from easy to difficult, Also this list can be track a learning path of asp.net core respectively;

  • run-aspnetcore-basics - Building fastest ASP.NET Core Default Web Application template. This solution only one solution one project for idea generation with Asp.Net Core.
  • run-aspnetcore - Building ASP.NET Core Web Application with Entity Framework.Core and apply Clean Architecture with DDD best practices.
  • run-aspnetcore-cqrs - Building Single-Page Web Applications(SPA) using ASP.NET Core & EF.Core, Web API Project and implement CQRS Design Pattern.
  • run-aspnetcore-microservices - Building Microservices on .Net platforms which used Asp.Net Web API, Docker, RabbitMQ, Ocelot API Gateway, MongoDB, Redis, SqlServer, Entity Framework Core, CQRS and Clean Architecture implementation.

Give a Star! ⭐️

If you liked the project or if AspnetRun helped you, please give a star. And also please fork this repository and send us pull-requests. If you find any problem please open issue.

Authors

See also the list of contributors who participated in this project. Check also gihtub page of repository.


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