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Deep Dive: Modular Monoliths in .NET

Take your Modular Monoliths journey to the next level

A monolith refers to a software application that is deployed as a single physical deployment. Many monolithic applications lack sufficient structure and end up becoming Big Balls of Mud. By contrast, a modular monolith breaks up the application into logical modules which are largely independent from one another. This provides many of the benefits of more distributed approaches like microservices without the overhead of deploying and managing a distributed application. In this course, we will build on top of your existing knowledge of Modular Monoliths that you gained during the Getting Started course of the series and you’ll learn how to apply advanced Modular Monolith patterns and add more features to the RiverBooks ecommerce site.

Curriculum

Welcome

1:22

What will you learn in this course?

1:55

Who is the course for and prerequisites

1:19

Introducing the Sample App

11:30

New Requirements

1:38

High Level Design Considerations

2:24

Introducing the Shared Kernel

2:18

Key Takeaways

2:23

How can modules communicate?

5:46

Direct Synchronous Calls

4:47

The Mediator Pattern

4:30

Commands, Queries, and Events

4:15

Non-Blocking Communications

4:15

The Outbox Pattern

2:38

Materialized Views

3:02

Key Takeaways

2:26

Adding an OrderProcessing Module

24:45

Adding Addresses

7:39

Implementing a Materialized View

4:30

Updating the Materialized View

23:21

Key Takeaways

1:05

Refactoring to Clean Architecture

13:34

Enforcing Architecture Rules with ArchUnit.NET

8:06

Using Chain of Responsibility for Cross-Cutting Concerns

16:23

Key Takeaways

2:14

Introducing the EmailSending Module

4:38

Sending Registration Emails via MediatR

5:54

Sending Order Confirmation Emails via Domain Events

8:52

Implementing a Simple Outbox with MongoDB

21:03

Using Vertical Slice Architecture

6:41

Key Takeaways

1:26

Introducing the Reporting Module

3:45

The Top Selling Books Report

4:29

Reach-In Reporting Anti-pattern

6:01

Adding a Reporting Database with Updates

13:43

Key Takeaways

2:27

Key Concept Review

9:27

Full RiverBooks App Walkthrough

11:31

Next Steps

2:52

Course Info

Level:
Deep Dive
Duration:
4h 21m

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About the Author

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Steve "ardalis" Smith

Steve "ardalis" Smith is an entrepreneur and software developer with a passion for building quality software as effectively as possible. He provides mentoring and training workshops for teams with the desire to improve. Steve has been recognized as a Microsoft MVP for over 10 consecutive years, and is a frequent speaker at software developer conferences and events. He is the top contributor to the official documentation on ASP.NET Core and enjoys helpings others write maintainable, testable applications using Microsoft's developer tools.

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