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Domain-Driven Design with Golang

Domain-Driven Design with Golang

By : Matthew Boyle
4.4 (18)
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Domain-Driven Design with Golang

Domain-Driven Design with Golang

4.4 (18)
By: Matthew Boyle

Overview of this book

Domain-driven design (DDD) is one of the most sought-after skills in the industry. This book provides you with step-by-step explanations of essential concepts and practical examples that will see you introducing DDD in your Go projects in no time. Domain-Driven Design with Golang starts by helping you gain a basic understanding of DDD, and then covers all the important patterns, such as bounded context, ubiquitous language, and aggregates. The latter half of the book deals with the real-world implementation of DDD patterns and teaches you how to build two systems while applying DDD principles, which will be a valuable addition to your portfolio. Finally, you’ll find out how to build a microservice, along with learning how DDD-based microservices can be part of a greater distributed system. Although the focus of this book is Golang, by the end of this book you’ll be able to confidently use DDD patterns outside of Go and apply them to other languages and even distributed systems.
Table of Contents (13 chapters)
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1
Part 1: Introduction to Domain-Driven Design
6
Part 2: Real -World Domain-Driven Design with Golang

Implementing the repository pattern in Golang

Repositories are the parts of our code that contain the logic necessary to access data sources. A data source can be a wide variety of things, such as a file on disk, a spreadsheet, or an AWS S3 bucket, but in most projects, it is a database.

By using a repository layer, you can centralize common data access code and make your system more maintainable by decoupling from a specific database technology. For example, your company may have a desire to move from one cloud provider to another, and the database options are slightly different; perhaps one has a MySQL offering, and the other offers only the NoSQL databases. In this instance, we know we only need to rearchitect a small portion of our system (the repository layer) to be able to enable this change.

Some developers query the database using other channels (such as Command and Query Responsibility Segregation (CQRS), which we will discuss in Part 2). This can work, since queries...

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