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Home > Web Development > Microservices > .NET 8 Backend Bootcamp - Modulith, VSA, DDD, CQRS and Outbox
.NET 8 Backend Bootcamp - Modulith, VSA, DDD, CQRS and Outbox
.NET 8 Backend Bootcamp - Modulith, VSA, DDD, CQRS and Outbox

.NET 8 Backend Bootcamp - Modulith, VSA, DDD, CQRS and Outbox: Build scalable backend systems with Modular Monoliths, DDD, CQRS, VSA, and Microservices Transition

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Key benefits

  • Build scalable Modular Monoliths with DDD, CQRS, and VSA for maintainable architectures.
  • Implement RabbitMQ, Redis, and PostgreSQL for efficient data and communication workflows.
  • Transition monoliths to microservices with the Strangler Fig pattern and domain-driven design.

Description

This bootcamp dives into modern .NET 8 backend development, addressing challenges in traditional monoliths and guiding you through modular monolith architectures. Learn how to structure projects, manage dependencies, and isolate data effectively using advanced tools like PostgreSQL and EF Core. You’ll explore Domain-Driven Design (DDD), CQRS, and Vertical Slice Architecture (VSA) to build maintainable modules like Catalog, Basket, and Ordering. The course also covers async communication with RabbitMQ, ensuring reliable event-driven workflows using the outbox pattern. Hands-on development ensures practical knowledge of real-world system design. Security is emphasized with Keycloak integration for robust identity management, while Redis caching enhances performance. Finally, you'll learn to transition applications from modular monoliths to microservices with the Strangler Fig pattern. By the end, you’ll be ready to design, develop, and deploy scalable backend systems with .NET 8.

Who is this book for?

This course is designed for backend developers and software architects looking to enhance their skills in modern .NET 8 development. Ideal for professionals with experience in C#, .NET, and basic database concepts, it provides advanced knowledge of scalable architectures, including Modular Monoliths, CQRS, and DDD. Whether you aim to optimize existing systems or transition to microservices, this course offers the tools and insights needed to design robust, maintainable backend applications for real-world scenarios.

What you will learn

  • Design scalable Modular Monolith architectures.
  • Implement DDD, CQRS, and VSA effectively.
  • Build secure APIs with Keycloak and OpenID.
  • Optimize data workflows with EF Core and PostgreSQL.
  • Use RabbitMQ for reliable async communication.
  • Transition monoliths to microservices seamlessly.

Product Details

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Publication date, Length, Edition, Language, ISBN-13
Publication date : Nov 27, 2024
Length: 24hrs 33mins
Edition : 1st
Language : English
ISBN-13 : 9781837028757
Category :
Web Development
Concepts :
Microservices
Tools :
.NET

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Publication date : Nov 27, 2024
Length: 24hrs 33mins
Edition : 1st
Language : English
ISBN-13 : 9781837028757
Category :
Web Development
Concepts :
Microservices
Tools :
.NET

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Table of Contents

28 Chapters
Introduction Chevron down icon Chevron up icon
Introduction
Prerequisites, Source Code and Course Slides
Run the Final Application
Project Code Structure
Modular Monoliths Architectures, Patterns, Libraries and Best Practices
How to Follow the Course (The Course Flow and Way of Learning)
Monolithic Architecture - What's wrong with Traditional Monoliths? Chevron down icon Chevron up icon
What is Traditional Monoliths (Monolithic Architecture)?
What's wrong with Traditional Monolithic Architecture?
Technology Lock-In and Fear Cycle in Traditional Monolithic Architecture
Big Ball of Mud
Microservices Architectures - Why it is not fit for all projects? Chevron down icon Chevron up icon
What are Microservices and Microservices Architecture?
What's wrong with Microservices Architecture?
Microservices Antipattern: The Distributed Monolith
Amazon Case: Rearchitecting from a Distributed Microservices to a Monolith
The Bridge: Modular Monolith Architectures - Gateway between Monolithic and MS Chevron down icon Chevron up icon
What is Modular Monolithic (Modulith) Architecture?
Why Modular Monoliths? Advantages over Microservices?
Monolith First Approaches from Martin Fowler and Sam Newman
Starting Point for Microservices: Gradually Transition with Incremental Refactor
Shopify Modular Monolithic Architecture
Decomposition of EShop Modules: Catalog, Basket, Identity, and Ordering Modules
Create EShop Modular Monolith Project Solution Structure Chevron down icon Chevron up icon
Introduction - Create EShop Modular Monolith Project Solution Structure
Create GitHub Repository for EShop Modular Monolithic Architecture
Create New Blank Solution: eshop-modular-monoliths
Modular Monolith Folder Structure: Bootstrapper, Modules, Shared
Create Bootstrapper Api Project
Configure Empty Web Project to Bootstrapper Api of Modular Monolith
Create Modules Folders according to DDD Bounded Context Analysis
External vs Internal Architecture of Modular Monoliths Architecture
Vertical Slice Architecture
Clean Architecture
Vertical Slice versus Clean Architecture
Create Module Projects as a Class Library
Shared Kernel Pattern in DDD
Create Shared Kernel Class Library Project for All Modules
Shared Project Dependencies to Modules Projects
Module Dependencies to Bootstrapper Asp.Net Api Project
Wire-up Dependencies Between Modules (DI Management of Modules) Chevron down icon Chevron up icon
Introduction - Wire-up Dependencies Between Modules (DI Management of Modules)
Asp.net Dependency Injection Management and Program.cs
Wiring up dependencies between modules
Develop AddCatalogModule extension method in CatalogModule.cs
Registering Catalog Dependencies into Program.cs
Develop AddBasketModule, AddOrderingModule extension methods
Registering Basket and Ordering Dependencies into Program.cs
Asp.net Middlewares and HTTP Request Pipeline
Configure HTTP Request Pipelines for Modules in Program.cs
Examine WebApplication Class Use Abstractions and Install Required Packages
Develop UseCatalogModule extension method for Module Configure the HTTP request
Integrating UseCatalogModule in Program.cs
Develop UseBasketModule and UseOrderingModule extension method for Module Config
Integrating UseBasketModule and UseOrderingModule extension method in Program.cs
Add GlobalUsings.cs for Each Project to Avoid Redundant Using Statements
First Module: Catalog Module with Vertical Slice Architecture and CQRS Chevron down icon Chevron up icon
Introduction - First Module: Catalog Module with Vertical Slice Architecture
Domain Analysis of Catalog Module: Models, UCs, Rest APIs, Databases
Technical Analysis of Catalog Module: Architectures, Patterns, Libraries, Folder
Way of Development: Shared -> Modules -> API
Develop Shared Domain for Tactical DDD Abstraction (Entity, Aggregate, Events) Chevron down icon Chevron up icon
Introduction - Develop Shared Domain for Tactical DDD Abstraction
Domain Driven Design - DDD
Tactical Domain-Driven Design: Entities, Value Objects, Aggregates, A. Roots
Develop DDD Abstractions (Entity, Aggregate, DomainEvent) in Shared Library
Develop IDomainEvent interface in Tactical DDD Abstraction using MediatR
Develop Aggregate classes in Tactical DDD Abstraction
Develop Catalog Domain with Product Domain Entity Models Chevron down icon Chevron up icon
Introduction - Develop Catalog Domain with Product Domain Entity Models
Develop Product Domain Entity Models in Catalog Module Domain Models
Anemic-domain vs Rich-domain Model Entities in DDD
Develop DDD Rich-domain model Entity for Product Entity
Domain Events in DDD and Domain vs Integration Events
Develop Product Created and Updated Domain Event in Catalog Module
Raise ProductCreated and ProductPriceChanged Domain Event in Catalog Module
Data Management of Modular Monolith: Setup Postgres as a Main Database Chevron down icon Chevron up icon
Introduction - Data Management of Modular Monolith: Setup Postgres DB
Data Management of Modular Monoliths: 4 Data Isolation Strategies
Best Practice: DB Schema separation of Modules in Modular Monoliths apps
Multi-context EF DB Context object for DB Separate Schema for Data Isolation
Backing Services for Cloud-Native Architectures
EShop Modular Monolith Deployment Strategy
Setup PostgreSQL DB using Docker-compose file for Multi-container Docker env
Add PostgreSQL DB image into Docker-compose file for Multi-container Docker env
Run Docker-Compose on Visual Studio to setup PostgreSQL DB on Docker
Connect and Browse PostgreSQL DB using pgAdmin
Develop Shared and Catalog Data-Infrastructure with EF Core Code First Chevron down icon Chevron up icon
Introduction - Develop Shared and Catalog Data-Infrastructure Layer with EF Core
EF Core 8 Features, Code First Approach, Migrations and PostgreSQL Connection
Steps of EF Core Developments for Shared and Catalog Data-Infrastructure
Install EF Core NuGet Packages in Shared Library
Develop EF Core DbContext Object for Storing Entities in Catalog Module
Mapping DDD Objects to EF Entities - Develop EF Core Entity Configurations
EF Core PostgreSQL Connection String in appsettings.json file
Register EF Core DbContext in Asp.Net DependencyInjection Tool for PostgreSQL
Create EF Core Migrations for CatalogDbContext - Part 1
Create EF Core Migrations for CatalogDbContext - Part 2
Review and Run Docker-Compose on Visual Studio to setup PostgreSQL DB on Docker
Apply EF Core Migrations to PostgreSQL DB with Update-Database Command
Auto Migrate EF Core Entities to PostgreSQL DB when Application Startup
Develop Generic UseMigration Extension Method for DB Migration and Seed
Using UseMigration Extension Method on Module DependencyInjection Classes
Test Auto-Migrations with UseMigration Extension Method on WebApplication
Seed EShopDb Product Data When Application Startup Just After UseMigration
Run Catalog Module to Migrate and Seed EShopDb with UseMigration Method
EF Core Interceptors: SaveChangesInterceptor for Auditing Entities
Develop SaveChangesInterceptor to Auditing Entities for Order Entities
Run & Test Catalog Module for Audit with EF Save Changes Interceptor
Dispatch Domain Events with EF Core SaveChangesInterceptor
Develop DispatchDomainEventsInterceptor to Trigger Domain Event Handlers
Run & Test Catalog Module for Dispatch DomainEvents with EF SaveChanges Interceptor
Application Use Case Development with CQRS and MediatR Chevron down icon Chevron up icon
Introduction - Application Use Case Development with CQRS and MediatR
CQRS (Command Query Responsibility Segregation) Pattern
Logical and Physical Implementation of CQRS Pattern
CQRS Design Pattern With MediatR Library (Logical CQRS Implementation)
Develop Feature Handler Class with CQRS and MediatR
Create Abstraction on MediatR for CQRS - Command and Query Separation
Create Abstraction on MediatR for CQRS - Command and Query Separation - Part 2
Catalog Application Use Case Development with CQRS and MediatR Chevron down icon Chevron up icon
Introduction - Catalog Application Use Case Development with CQRS and MediatR
Quick Remember Catalog Module Application Use Cases Analysis
Develop Catalog Module Folder Structure for CQRS
Develop DTO Classes for Product in Catalog Module
Develop Products CreateProductCommand and Handler in Catalog Modules Application
Develop Products CreateProductCommandHandler using CatalogDbContext in Catalog
Develop Products UpdateProductCommand and Handler using CatalogDbContext
Develop Products DeleteProductCommand and Handler using CatalogDbContext
Develop Product Queries with CQRS and MediatR in Catalog Module
Mapping with Mapster
Develop Product Queries with CQRS and MediatR in Catalog Module with Mapster
Develop GetProductByCategory Queries with CQRS and MediatR in Catalog Module
Develop GetProductById Queries with CQRS and MediatR in Catalog Module
Develop Domain Event Handlers with MediatR INotificationHandler in Catalog
Develop Domain Event Handlers with MediatR INotificationHandler - Part 2
Develop Catalog API Endpoints Expose Minimal API Endpoints with Carter and REPR Chevron down icon Chevron up icon
Introduction - Develop Catalog API Endpoints Exposing Minimal API Endpoints
REPR Design Pattern and CQRS MediatR Request Lifecycle
Minimal APIs and Install Carter Library to Expose Minimal APIs
Quick Remember Catalog Module Endpoints Analysis
Develop CreateProduct POST Endpoint with Carter Implements ICarterModule
Develop CreateProduct POST Endpoint with Carter Implements ICarterModule - Part 2
Developing UpdateProduct Endpoint for REST APIs in Catalog Module
Developing DeleteProduct Endpoint for REST APIs in Catalog Module
Developing GetProducts Endpoint for REST APIs in Catalog Module
Developing GetProductById Endpoint for REST APIs in Catalog Module
Developing GetProductByCategory Endpoint for REST APIs in Catalog Module
Register Carter Libraries into ASP.NET Dependency Injection Service and Request
Create Extension Method for Carter Assembly Registrations
Create Postman Collection for EShopModules
Test Catalog Module - CreateProduct POST Request - Debug Carter Minimal API
Test UpdateProduct Endpoint with CQRS and VSA in Catalog Module
Test Get Product Endpoints with CQRS and VSA in Catalog Module
Test DeleteProduct Endpoint with CQRS and VSA in Catalog Module
Develop Cross-cutting Concerns for Catalog and Each Module in EShop Modules Chevron down icon Chevron up icon
Introduction - Develop Cross-cutting Concerns for Catalog and Each Module
MediatR Pipeline Behaviors and Fluent Validation Library
Add Cross-cutting Concerns into Shared Class Library to Use in All Modules
Apply Validation with AbstractValidator using Fluent Validation Library
Apply Validation with AbstractValidator using Fluent Validation Library - Part 2
Validation Pipeline Behavior with MediatR using Fluent Validation Library
Remove Manual Validator and Test Validation Pipeline Behavior with MediatR
Develop CRUD Command Validators with Fluent Validation
Global Handling Exceptions in ASP.NET Core with app.UseExceptionHandler
Shared Handle Exceptions Generic Way in ASP.NET Core with app.UseExceptionHandler
Global Exception Handling with IExceptionHandler Interface in ASP.NET Core
Register Custom Exception Handling into ASP.NET with AddExceptionHandler Method
Logging Behavior in MediatR Pipeline for Cross-cutting Concerns
Test Logging Behavior for All MediatR Requests on Catalog Module
Structured Logging Using Serilog in .NET 8.0 Minimal APIs
Serilog WriteTo Seq for Structured Logging in .NET
Develop Pagination Class for Query GetProducts using CQRS and MediatR
Develop GetProducts Query Apply Pagination using CQRS and MediatR
Develop Basket Module with Vertical Slice Architecture and CQRS Chevron down icon Chevron up icon
Introduction - Develop Basket Module with Vertical Slice Architecture and CQRS
Domain Analysis of Basket Module: Models, UCs, Rest APIs, Databases
Technical Analysis of Basket Module: Architectures, Patterns, Libraries, Folders
Develop ShoppingCart Domain Entity Models in Basket Domain Entities
Develop DDD Rich-domain Model Entity for ShoppingCart Entities
Develop Basket Data-Infrastructure with EF Core Code First and PostgreSQL Chevron down icon Chevron up icon
Introduction - Develop Basket Data-Infrastructure with EF Core Code First
Steps of Infrastructure EF Core Developments for Basket Module
Develop EF Core DbContext Object for Storing Entities in Basket Infrastructure
Mapping DDD Objects to EF Entities - Develop EF Core Entity Configurations
EF Core 8 Relations and DDD ValueObject Mapping with ComplexType and Property
Develop SC and SC Items Relations Entity Configurations
EF Core SQL Server Connection String in appsettings.json file
Register EF Core DbContext in ASP.NET Dependency Injection Tool for PostgreSQL
Create EF Core Migrations for BasketDbContext in Basket Infrastructure
Run Docker-Compose on Visual Studio to Setup PostgreSQL on Docker
Apply EF Core Migrations to PostgreSQL DB with Update-Database Command
Auto Migrate EF Core Entities to PostgreSQL When Application Startup with Coding
Test Auto-Migrations with UseMigration Extension Method on WebApplication
Develop Basket Application Use Case Development with CQRS and MediatR Chevron down icon Chevron up icon
Introduction - Basket Application Use Case Development with CQRS and MediatR
Develop Basket Folder Structure for CQRS
Develop DTO Classes for ShoppingCart in Basket Module
Develop Basket CreateBasketCommand and Handler in Basket Application Use Cases
Develop Basket CreateBasketCommandHandler using BasketDbContext in Basket Module
Develop Basket DeleteBasketCommand and Handler using BasketDbContext in Basket
Develop Basket Queries with CQRS and MediatR in Basket Module
Develop Basket AddItemIntoBasketHandler with CQRS and MediatR
Develop Basket RemoveItemFromBasketHandler with CQRS and MediatR
Develop Basket API Endpoints Exposing Minimal API Endpoints with Carter and REPR Chevron down icon Chevron up icon
Introduction - Develop Basket API Endpoints Exposing Minimal API Endpoints
Develop CreateBasket POST Endpoint with Carter Implements ICarterModule
Develop DeleteBasket Endpoint with Carter Implements ICarterModule
Develop GetBasket Endpoint with Carter Implements ICarterModule for Minimal APIs
Develop AddItemIntoBasket Endpoint with Carter Implements ICarterModule
Develop RemoveItemFromBasket Endpoint with Carter Implements ICarterModule
Register MediatR and Carter Libraries into ASP.NET Dependency Injection Service
Register MediatR Libraries into ASP.NET Dependency Injection Service and Request
Develop MediatR Extension Method for Custom Registration With Assemblies
Test Basket API - CreateBasket POST Request - Debug Carter Minimal API
Test Get Basket Endpoints with CQRS and VSA in Basket Module
Test DeleteBasket Endpoint with CQRS and VSA in Basket Module
Test AddItemIntoBasket Endpoint with CQRS and VSA in Basket Module
Test RemoveItemFromBasket Endpoint with CQRS and VSA in Basket Module
Develop Distributed Caching with Redis in Basket Module Chevron down icon Chevron up icon
Introduction - Develop Distributed Caching with Redis in Basket Module
Develop BasketRepository Class using EF Core DbContext Object
Implement IBasketRepository Class using EF Core DbContext Object
Register IBasketRepository into DI of Basket Module
Inject and Use IBasketRepository into Handler Classes in Basket Module
Inject and Use IBasketRepository into AddItem and RemoveItem Handler Classes
Quick Test Basket Endpoint with CQRS and VSA in Basket Module
Cache-aside Pattern and Cache Invalidation
Proxy Pattern, Decorator Pattern, and Scrutor Library
Develop CachedBasketRepository with Proxy Pattern, Decorator Pattern, and Scrutor
Develop CachedBasketRepository with Proxy Pattern, Decorator Pattern - Part 2
Develop CachedBasketRepository with Proxy Pattern, Decorator Pattern - Part 3
Register Decorated CachedBasketRepository and StackExchangeRedis with Scrutor
Register StackExchangeRedis into Common DI in API Project Program.cs
Setup Redis as a Distributed Cache using Docker-compose File for Multi-container
Run Docker-Compose on Visual Studio to Setup Redis Distributed Cache on Docker
Connect Redis Cache from Local Basket Module and Send GET Request Basket Cache
Develop Custom JsonConverter for ShoppingCart and Items When Reading to Redis
Develop Custom JsonConverter for ShoppingCart and Items - Part 2
Use Custom JsonSerializerOptions with JsonConverter for ShoppingCart and Items
Quick Test Basket Endpoint with CachedBasket Repository and Custom JsonConverter
Sync Communications Between Modules with In-Process Method Calls (Public APIs) Chevron down icon Chevron up icon
Introduction - Sync Communications Between Modules with In-Process Method Calls
How Modular Monolithic Architecture Handles Communications Between Modules
Basket Module Synchronous Use Cases - Adding an Item to the Basket Communication
Examine AddItemIntoBasketHandler Class: Get Product Price from Catalog Module
Sync Communication Between Modules Using Contracts Class Libraries
Step 1: Create Catalog.Contracts Class Library
Step 2: Move Exposing MediatR Method Query or Commands into Catalog.Contracts
Splitting CQRS Contract-Related Common Operations into Shared.Contracts Class Library
Step 3: Modify Catalog Module Getting Reference from Catalog.Contracts Class Library
Step 4: Basket Get Reference from Catalog.Contracts Class Library
Step 6: Get Product Entity Values into AddItemIntoBasketHandler and Set Price
Test Basket AddItemIntoBasket Sync Call to Catalog Module to Get Product Data
Step 7: Migrating Microservices: Evolving Contracts Sync Communication
Async Communications Between Modules with RabbitMQ & MassTransit for UpdatePrice Chevron down icon Chevron up icon
Introduction - Async Communications Between Modules with RabbitMQ & MassTransit
How Modular Monolithic Architecture Handles Async Communications Between Modules
Fan-Out Publish/Subscribe Messaging Pattern
Quick Remember: Domain vs Integration Events - Domain Leads to Integration Event
Domain Analysis of Async Communication Between Catalog and Basket Modules
Technical Analysis of Async Communication Between Catalog and Basket Modules
Steps of Developing Async Communication Between Catalog and Basket Modules
Step 1: Examine Catalog Module Domain and Integration Events
Step 2: Create Shared.Messaging Class Library
Develop ProductPriceChangedIntegration Event in Shared.Messaging Class Library
Develop MassTransit Extension Methods to Register RabbitMQ Connection into DI
Develop MassTransit Extension Methods to Register Connection into DI of Catalog
Add Project Reference to Shared.Messaging in Catalog and Basket Modules
Register MassTransit Packages into Bootstrapper API DI in Program.cs File
ProductPriceChanged Integration Event: How Domain Leads to Integration Event
Step 3: Catalog Publish UpdatePrice Integration Event
Step 4: Basket Subscribe and Consume ProductPriceChanged Integration Event
Develop UpdateItemPriceInBasket Feature in Basket Module
Develop UpdateItemPriceInBasket Feature in Basket Module - Part 2
Call UpdateItemPriceInBasketCommand in ProductPriceChangedIntegrationEventHandler
TEST - ProductPriceChangedIntegrationEvent with In-Memory MassTransit
What is RabbitMQ and Main Components of RabbitMQ (Producer, Queue, Consumer)
Shifting In-Memory Bus to RabbitMQ Message Broker in MassTransit
Develop MassTransit Extension Methods to Register RabbitMQ Connection into DI
Setup RabbitMQ for Async Communication Using Docker-Compose File
Run Docker-Compose on Visual Studio to Setup RabbitMQ on Docker
TEST - ProductPriceChangedIntegrationEvent with RabbitMQ MassTransit
Develop User Identity Module with Keycloak Authentication Chevron down icon Chevron up icon
Introduction - Develop User Identity Module with Keycloak Authentication
Keycloak Identity and Access Management
Main Advantages of Using Keycloak
Best Practices When Using Keycloak
OAuth2 + OpenID Connect Flows with Keycloak
Keycloak as a Backing Service of Modular Monolith Modules
Setup Keycloak into Docker-Compose File for Identity Provider
Run Docker-Compose on Visual Studio Setup Keycloak Identity Provider on Docker
Setup Keycloak User Identity Database as a PostgreSQL DB Identity Schema
Run Docker-Compose for Keycloak PostgreSQL Identity Schema Generation
Create Realm, User and Client for OpenID Connect with Keycloak Identity Provider
Secure EShop Modules with Keycloak OpenID Connect in ASP.NET
Secure and Test Basket Endpoints with Keycloak Integration
Get JwtBearer Token for OpenID Connect with Keycloak Identity
Get Current User from Token with ClaimsPrincipal in ASP.NET Authentication
TEST - Create Basket with Current User from Token with ClaimsPrincipal
Secure Basket Endpoints with OpenID Connect Using Keycloak Identity Provider
Ordering Module with Vertical Slice Architecture and CQRS Chevron down icon Chevron up icon
Introduction - Ordering Module with Vertical Slice Architecture and CQRS
Domain Analysis of Ordering Module: Models, UCs, Rest APIs, Databases
Technical Analysis of Ordering Module: Architectures, Patterns, Libraries
Develop Ordering Domain Entities with Tactical Domain-Driven Design Patterns
Develop Ordering Data-Infrastructure with EF Core Code First and PostgreSQL
Develop Ordering.Application Layer with CQRS and MediatR
Develop Ordering API Endpoints Exposing Minimal API Endpoints with Carter
Outbox Pattern for Reliable Microservices Messaging with BasketCheckout Use Case Chevron down icon Chevron up icon
Introduction - Outbox Pattern for Reliable Microservices Messaging
Analyze Basket Checkout Event Between Basket and Ordering Modules
Develop BasketCheckout Event in Shared.Messaging Class Library
Quick Remember Async Communication MassTransit RabbitMQ Setup
Develop BasketCheckout Feature Folder to Expose POST Endpoint and Publish Event
Develop Basket Checkout Handler Method to Publish Event to RabbitMQ via MassTransit
Dual-write Problem and Outbox Pattern
Develop Outbox Pattern for Reliable Microservices Messaging with BasketCheckout
Step 1-2: Create the Outbox Entity and Modify the DbContext
Step 3: Update CheckoutBasketHandler with Outbox and Database Begin and Commit
Step 4: Create a Background Service to Process Outbox Messages
Ordering Module to Subscribe-Consume BasketCheckout Event from RabbitMQ
Register Ordering Module into MassTransit for Async Event-driven Communication
Develop Basket Checkout Event Consumer Integration Event Handler
TEST - Checkout Basket Use Case - Reliable Async Communication Outbox Pattern - Part 1
TEST - Checkout Basket Use Case - Reliable Async Communication Outbox Pattern - Part 2
Containerize and Orchestrate EShop Modular App in Docker-Compose Chevron down icon Chevron up icon
Introduction - Containerize and Orchestrate EShop Modular App in Docker-Compose
EShop Modular Monolith Deployment Strategy
Add ASP.NET API Project into Docker-Compose File for Multi-container Docker Environment
Set Environment Variables of API Project Configurations According to appsettings
TEST ALL - Docker-Compose All with API Project and Backing Services
TEST Basket Module - Docker-Compose All with API Project
TEST CheckoutBasket with RabbitMQ and Ordering Module - Docker-Compose All with API
TEST Ordering Module - Docker-Compose All with API Project
Client Apps - Consume API Module in EShop Modules
Migrating to Microservices: EShop Modules to Microservices with Strangler Fig Chevron down icon Chevron up icon
Migrating to Microservices: Challenges and Considerations
Strangler Fig Pattern for Refactoring Monolith into Microservices
Steps of Refactoring Monolith into Microservices
Step 1: Decompose EShop Modules to Microservices with DDD Bounded Contexts
Step 2: Prioritize Modules-Services for Migration
Step 3: Extract a Service from a Monolith
Step 4: Manage a Monolithic Database
Step 5: Design and Implement Interservice Communication
Step 6: Async Communication Between Services
Step 7: Distributed Transactions and Data Consistency
Step 8: Deployment of Microservices After Monolithic
.NET 8 Microservices: DDD, CQRS, Vertical/Clean Architecture - Course Summary
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C# 12 and .NET 8 – Modern Cross-Platform Development Fundamentals
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.NET 8 Microservices - DDD, CQRS, Vertical/Clean Architecture
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About the author

Profile icon Mehmet Ozkaya
Mehmet Ozkaya
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Mehmet Ozkaya is a seasoned Software Architect with 15+ years of experience specializing in microservices architecture using .NET, AWS, and Azure. Known for his expertise in cloud-native and serverless event-driven microservices, he shares insights through GitHub repositories and Medium blogs. With thousands of positive reviews and over 57,000 students, Mehmet delivers highly rated courses based on real-world applications, making him a trusted authority in software architecture and microservices design.
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