Spring Boot 4 Microservices Engineering: A Practical Java Guide to Building Secure, Cloud-Native APIs and Distributed Systems - Tapa blanda

Sinopsis

Building real backend systems can feel overwhelming when tutorials jump too quickly from “Hello World” to databases, security, microservices, messaging, containers, and cloud deployment. Spring Boot 4 Microservices Engineering gives you a clearer path.

Designed for Java developers who are new to Spring Boot, backend engineering, or microservices, this practical guide walks you through the process one manageable step at a time. You do not need previous experience with Spring Security, PostgreSQL, Kafka, Docker, Kubernetes, or distributed systems. Basic familiarity with Java is helpful, and every major Spring and backend concept is introduced progressively.

Instead of disconnected examples, you build one evolving commerce and fulfillment platform and gradually transform it into a secure, persistent, event-driven, observable, tested, and deployable distributed system.

• Step-by-step explanations that break complex backend concepts into manageable stages

• Practical Java and Spring Boot 4 examples built around a real project

• Production-focused REST API development, persistence, security, testing, and deployment

• Hands-on coverage of PostgreSQL, JPA, Hibernate, OAuth2, JWT, gRPC, Kafka, Docker, Kubernetes, and observability

• Practical exercises that reinforce each chapter

• Clear explanations of common failures, troubleshooting, and why engineering decisions matter

• A learning approach that treats mistakes as part of the process and builds confidence through small, working improvements

You will learn how to:

• Build structured Spring Boot applications with clear architectural boundaries

• Design, validate, document, and test production-ready REST APIs

• Persist data safely with PostgreSQL, Spring Data JPA, Hibernate, and migrations

• Secure APIs with Spring Security, OAuth2, OpenID Connect, JWT, roles, and permissions

• Design and decompose microservices with clear service and data ownership

• Communicate between services using HTTP, gRPC, and Apache Kafka

• Handle retries, idempotency, eventual consistency, circuit breakers, and failure scenarios

• Add structured logging, metrics, health checks, and distributed tracing

• Test realistic infrastructure with integration and contract testing

• Containerize services with Docker and deploy them with Kubernetes

This book is ideal for Java developers, students, self-learners, and aspiring backend engineers who want to move beyond basic tutorials and understand how modern services are actually designed, secured, tested, observed, and deployed. It is especially suitable for readers new to Spring Boot or microservices who want a practical, confidence-building path toward production-ready backend development.

1. Engineering Modern Applications with Spring Boot 4

2. Building Production-Grade REST APIs

3. Persistence and Transaction Management with PostgreSQL

4. Securing Spring Boot APIs and Services

5. Designing and Decomposing Microservices

6. Synchronous Communication Between Services

7. Event-Driven Microservices with Apache Kafka

8. Resilience and Observability in Distributed Systems

9. Testing Spring Boot Microservices

10. Docker, Kubernetes, and Production Readiness

If you are ready to stop following isolated tutorials and start building reliable Java backend systems with confidence, Spring Boot 4 Microservices Engineering gives you the practical roadmap. Start with the first service, build one capability at a time, and turn each small win into real backend engineering skill.

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