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Microservices Design Patterns in .NET

Microservices Design Patterns in .NET

By : Trevoir Williams
4.7 (19)
Buy this Book
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Microservices Design Patterns in .NET

Microservices Design Patterns in .NET

4.7 (19)
By: Trevoir Williams
Buy this Book

Overview of this book

Are you a developer who needs to fully understand the different patterns and benefits that they bring to designing microservices? If yes, then this book is for you. Microservices Design Patterns in .NET will help you appreciate the various microservice design concerns and strategies that can be used to navigate them. Making a microservice-based app is no easy feat and there are many concerns that need to be addressed. As you progress through the chapters of this guide, you’ll dive headfirst into the problems that come packed with this architectural approach, and then explore the design patterns that address these problems. You’ll also learn how to be deliberate and intentional in your architectural design to overcome major considerations in building microservices. By the end of this book, you’ll be able to apply critical thinking and clean coding principles when creating a microservices application using .NET Core.
Table of Contents (21 chapters)
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Preface
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Preface
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Who this book is for
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What this book covers
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To get the most out of this book
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Download the example code files
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Download the color images
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Conventions used
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Get in touch
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Share Your Thoughts
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Download a free PDF copy of this book
1
Part 1: Understanding Microservices and Design Patterns
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Part 1: Understanding Microservices and Design Patterns
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2
Chapter 1: Introduction to Microservices – the Big Picture
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Chapter 1: Introduction to Microservices – the Big Picture
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A deep dive into microservices and its key elements
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Assessing the business need for microservices
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Determining the feasibility of implementing microservices
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Summary
3
Chapter 2: Working with the Aggregator Pattern
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Chapter 2: Working with the Aggregator Pattern
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Technical requirements
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Exploring DDD and its significance
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The purpose and use of aggregate patterns
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Aggregates versus entities
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Understanding and using value objects
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Summary
4
Chapter 3: Synchronous Communication between Microservices
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Chapter 3: Synchronous Communication between Microservices
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Technical requirements
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Use cases for synchronous communication
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Implementing synchronous communication
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Disadvantages of synchronous communication between microservices
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Summary
5
Chapter 4: Asynchronous Communication between Microservices
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Chapter 4: Asynchronous Communication between Microservices
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Technical requirements
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Functioning with asynchronous communication
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Understanding Pub-Sub communication
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Configuring a message bus (RabbitMQ or Azure Service Bus)
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Disadvantages of asynchronous communication between microservices
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Summary
6
Chapter 5: Working with the CQRS Pattern
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Chapter 5: Working with the CQRS Pattern
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Technical requirements
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Why use CQRS for microservices development?
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Implementing a command
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Implementing a query
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Summary
7
Chapter 6: Applying Event Sourcing Patterns
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Chapter 6: Applying Event Sourcing Patterns
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Technical requirements
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What are events?
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What can event sourcing patterns do for me?
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What are domain events?
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Creating an event store
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Summary
8
Part 2: Database and Storage Design Patterns
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Part 2: Database and Storage Design Patterns
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Chapter 7: Handling Data for Each Microservice with the Database per Service Pattern
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Chapter 7: Handling Data for Each Microservice with the Database per Service Pattern
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Technical requirements
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How to make use of the Database-Per-Service pattern
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Developing a database
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Implementing the repository pattern
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Summary
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Chapter 8: Implement Transactions across Microservices Using the Saga Pattern
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Chapter 8: Implement Transactions across Microservices Using the Saga Pattern
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Exploring the Saga pattern
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Understanding and implementing choreography
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Understanding and implementing orchestration
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Summary
11
Part 3: Resiliency, Security, and Infrastructure Patterns
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Part 3: Resiliency, Security, and Infrastructure Patterns
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Chapter 9: Building Resilient Microservices
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Chapter 9: Building Resilient Microservices
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Technical requirements
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The importance of service resiliency
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Implementing resiliency with caching and message brokers
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Implementing retry and circuit breaker policies
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Summary
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Chapter 10: Performing Health Checks on Your Services
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Chapter 10: Performing Health Checks on Your Services
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Technical requirements
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Health checks and microservices
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Implementing ASP.NET Core health checks
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Configuring health probes in orchestrators
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Summary
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Chapter 11: Implementing the API and BFF Gateway Patterns
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Chapter 11: Implementing the API and BFF Gateway Patterns
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Technical requirements
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What is the API gateway pattern?
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Implementing the API gateway pattern
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Backend for Frontend pattern
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Summary
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Chapter 12: Securing Microservices with Bearer Tokens
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Chapter 12: Securing Microservices with Bearer Tokens
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Technical requirements
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Bearer tokens for securing communications
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Implementing bearer token security
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Using IdentityServer4 to secure microservices
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Summary
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Chapter 13: Microservice Container Hosting
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Chapter 13: Microservice Container Hosting
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Technical requirements
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Using containers in microservices development
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Authoring a Dockerfile
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Understanding docker-compose and images
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Publishing containers to a container registry
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Summary
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Chapter 14: Implementing Centralized Logging for Microservices
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Chapter 14: Implementing Centralized Logging for Microservices
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Technical requirements
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Logging and its importance
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Log aggregation and its uses
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Distributed log tracing
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Summary
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Chapter 15: Wrapping It All Up
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Chapter 15: Wrapping It All Up
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Aggregator pattern
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Synchronous and asynchronous communication
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CQRS
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Event sourcing patterns
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Database per service pattern
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Using the saga pattern across services
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Resilient microservices
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Importance of health checks
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API Gateways and backend for frontend
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Bearer token security
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Containers and microservices
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Centralized logging
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Summary
19
Index
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Index
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Why subscribe?
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Other Books You May Enjoy
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Other Books You May Enjoy
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Event sourcing patterns

Event sourcing patterns bridge the gap between databases that need to be in sync. They help us track the changes across the system and act as a behind-the-scenes transport or lookup system to ensure that we always have the best data representation at any time.

First, an event represents a moment in time. The data contained in the event will indicate the type of action taken and the resulting data. This information can then be used for several reasons within the system:

  • Complete tasks for third-party services that need the resulting data for their operations
  • Update the database for query operations with the latest copy of the augmented record
  • Add to an event store as a versioning mechanism

Event sourcing can play several roles in a system and can aid us in completing several routines and unique tasks. Routine tasks within the context could include updating our read-only query database and acting as a source of truth for services that...

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Microservices Design Patterns in .NET
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