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Mastering Spring Boot 3.0

Mastering Spring Boot 3.0

By : Ahmet Meric
4.4 (5)
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Mastering Spring Boot 3.0

Mastering Spring Boot 3.0

4.4 (5)
By: Ahmet Meric
Buy this Book

Overview of this book

Mastering Spring Boot 3.0 is your gateway to building scalable and robust backend systems using the latest techniques. Penned by a seasoned software developer with 20+ years of experience in the tech industry, this book follows a hands-on, step-by-step approach to helping you understand Spring Boot concepts and apply them to real-world projects. You’ll start by exploring key architectural patterns such as DDD, CQRS, and event sourcing. Next, you’ll focus on the nuances of reactive REST development, delve into advanced testing strategies, and fortify your applications' security. You’ll also discover the power of containerization and orchestration with Spring Boot 3.0 and unlock its potential for smooth deployments. Additionally, by integrating Kafka, you’ll be able to build robust event-driven systems. By the end of this book, you’ll have become proficient in architectural patterns, testing strategies, and application security. Whether you’re an architect, backend developer, or DevOps engineer, this book will help you leverage the advanced features of Spring Boot 3.0 for secure and efficient backend development.
Table of Contents (16 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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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: Architectural Foundations
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Part 1: Architectural Foundations
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2
Chapter 1: Introduction to Advanced Spring Boot Concepts
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Chapter 1: Introduction to Advanced Spring Boot Concepts
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Technical requirements
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Why use Spring Boot for advanced projects?
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A brief overview of what’s to come
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Summary
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Part 2: Architectural Patterns and Reactive Programming
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Part 2: Architectural Patterns and Reactive Programming
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Chapter 2: Key Architectural Patterns in Microservices – DDD, CQRS, and Event Sourcing
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Chapter 2: Key Architectural Patterns in Microservices – DDD, CQRS, and Event Sourcing
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Technical requirements
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Introduction to architectural patterns in microservices
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Exploring DDD
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Learning about CQRS
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Understanding Event Sourcing
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The relation of Event Sourcing with CQRS
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A real-world example of CQRS with Event Sourcing
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Brief overview of other architectural patterns
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Summary
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Chapter 3: Reactive REST Development and Asynchronous Systems
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Chapter 3: Reactive REST Development and Asynchronous Systems
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Technical requirements
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Introduction to reactive programming
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Building a reactive REST API
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Asynchronous systems and backpressure
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Summary
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Part 3: Data Management, Testing, and Security
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Part 3: Data Management, Testing, and Security
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Chapter 4: Spring Data: SQL, NoSQL, Cache Abstraction, and Batch Processing
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Chapter 4: Spring Data: SQL, NoSQL, Cache Abstraction, and Batch Processing
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Technical requirements
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Introduction to Spring Data
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Using Spring Data with SQL databases
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NoSQL databases in Spring Boot
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Spring Boot cache abstraction
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Spring Boot batch processing
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Data migration and consistency
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Summary
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Chapter 5: Securing Your Spring Boot Applications
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Chapter 5: Securing Your Spring Boot Applications
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Technical requirements
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Introducing security in Spring Boot 3.0
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Implementing OAuth2 and JWT
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Implementing RBAC in Spring Boot
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Summary
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Chapter 6: Advanced Testing Strategies
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Chapter 6: Advanced Testing Strategies
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Technical requirements
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TDD in Spring Boot
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Unit testing of controllers with a security layer
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Integration testing – bridging components together
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Testing reactive components
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Summary
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Part 4: Deployment, Scalability, and Productivity
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Part 4: Deployment, Scalability, and Productivity
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Chapter 7: Spring Boot 3.0 Features for Containerization and Orchestration
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Chapter 7: Spring Boot 3.0 Features for Containerization and Orchestration
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Technical requirements
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Containerization and orchestration in Spring Boot
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Spring Boot and Docker
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Optimizing Spring Boot apps for Kubernetes
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Spring Boot Actuator with Prometheus and Grafana
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Summary
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Chapter 8: Exploring Event-Driven Systems with Kafka
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Chapter 8: Exploring Event-Driven Systems with Kafka
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Technical requirements
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Introduction to event-driven architecture
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Setting up Kafka and ZooKeeper for local development
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Building an event-driven application with Spring Boot messaging
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Monitoring event-driven systems
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Summary
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Chapter 9: Enhancing Productivity and Development Simplification
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Chapter 9: Enhancing Productivity and Development Simplification
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Technical requirements
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Introducing AOP in Spring Boot
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Simplifying HTTP API with the Feign Client
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Advanced Spring Boot auto-configuration
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Common pitfalls and best practices
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Summary
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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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Packt is searching for authors like you
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Share Your Thoughts
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Download a free PDF copy of this book

Summary

This chapter was all about jumping into Spring Boot 3.0. Think of Spring Boot as a tool that makes working with Java a whole lot easier, especially when working on big, complex projects. We saw how it helps speed up setting up projects and eases the process of quickly handling big tasks.

Here’s what we learned:

  • Quick setup: Spring Boot makes it easy to start a new project, allowing one to focus on developing the fun stuff with minimal fuss
  • Microservices: Simply put, this is a fancy term for breaking up a big project(s) into small parts, so things are easier to manage
  • User-friendly: Spring Boot’s auto-configuration feature helps the developers to bypass manual setup processes
  • Plenty of tools: It is like a Swiss knife for programming with tools for managing databases and security
  • Cloud-ready: It is great to work with projects running in the cloud
  • Testing made simple: Testing your work is super important and Spring Boot makes it simpler
  • Community and updates: There are so many users out there working on Spring Boot and making it better – so it just keeps getting better

Here onward, in the next chapter, we will learn about microservice architectures, DDD, CQRS, and Event Sourcing. We will learn why a microservice design pattern is important and how to choose the correct one for our projects.

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