Hexagonal Architecture By Example




What you'll learn
How to correctly define hexagonal architecture
How to apply hexagonal architecture in practice
How to make informed compromises when implementing hexagonal architecture
What are pros and cons of hexagonal architecture
Requirements
You must know how to program in Java. It would be great if you're at least somewhat familiar with Spring.
Description
In this course, you will learn how to design and develop Java Spring Boot applications using the principles of Hexagonal Architecture (also known as Ports and Adapters). This architectural style is gaining popularity due to its ability to create flexible, maintainable, and easily testable applications that are decoupled from their external dependencies. Whether you're new to this concept or looking to deepen your understanding, this course will guide you step-by-step through its application in real-world projects.We'll start by explaining the core ideas behind Hexagonal Architecture and why it is so powerful. You'll learn how to separate the domain logic from infrastructure concerns, making your code more modular and easier to maintain. Through clear examples, we'll show how Hexagonal Architecture enables applications to remain independent of frameworks, databases, or external services, allowing for greater adaptability and testability.Using a hands-on approach, I'll walk you through building a Java Spring Boot application from the ground up, implementing Hexagonal Architecture principles in every layer. You'll learn how to define and manage Ports (interfaces) and Adapters (implementations), as well as how to effectively structure your application to allow for easy integration of external services like databases, APIs, or message brokers.This course is ideal for Java developers who want to enhance their software design skills and create clean, maintainable applications using modern architectural techniques.
Overview
Section 1: Introduction
Lecture 1 What is Hexagonal Architecture
Section 2: Practical example
Lecture 2 Package structure
Lecture 3 Business logic implementation
Lecture 4 Infrastructure
Lecture 5 Assembling it together
Lecture 6 New use case. Let's add some code!
Lecture 7 Verifying new use case
Lecture 8 Refactoring
Section 3: Summary
Lecture 9 Summary
Java developers, though anyone programming in a statically-typed language can benefit from this knowledge.



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