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Spring Boot Tutorial Series

Learn Spring Boot From Beginner Foundations to Advanced Production Development

This tutorial is designed as a detailed chapter-based Spring Boot course with examples, architecture guidance, persistence, security, testing, observability, deployment, and beginner-to-advanced depth for real application development.

What this tutorial covers

The series covers Spring Boot foundations, project setup, configuration, dependency injection, REST APIs, layered design, JPA and transactions, validation, security, testing, Actuator, background processing, deployment, microservices, performance tuning, and a practical roadmap for projects and interviews.

Beginner friendlyStarts with the Spring ecosystem, project setup, and clear framework basics.
Hands-on practicalIncludes code snippets, controller, service, JPA, security, and testing examples.
Production focusedCovers observability, deployment, CI/CD, and operational readiness.
Advanced depthExplains microservices, resilience, internals, performance, and modern runtime concerns.
Chapter 1

Spring Boot Foundations, Architecture, and Why It Matters

Understand what Spring Boot is, how it relates to the wider Spring ecosystem, why it became popular, and what problems it solves for modern Java application development.

Chapter 2

Project Setup, Spring Initializr, Starters, Maven, and Gradle

Learn how to create Spring Boot applications, choose starters, understand dependency management, and structure a project for clean development.

Chapter 3

Configuration, application.properties, YAML, Profiles, and Externalization

Understand how Spring Boot manages configuration across environments using properties, YAML files, environment variables, and profiles.

Chapter 4

Dependency Injection, Beans, Scopes, and Lifecycle

Build a strong understanding of inversion of control, bean creation, scopes, lifecycle callbacks, and clean application structure.

Chapter 5

REST APIs, Controllers, Routing, Request Handling, and Responses

Learn how to build HTTP APIs with Spring Boot using controllers, request mapping, path variables, query parameters, request bodies, and response entities.

Chapter 6

Service Layer, DTOs, Mapping, and Clean Architecture Patterns

Move beyond basic controllers and learn how to structure Spring Boot applications with clean service boundaries, DTOs, and maintainable architecture.

Chapter 7

Spring Data JPA, Hibernate, Entities, Repositories, and Transactions

Learn how Spring Boot works with relational databases through JPA, Hibernate, repository abstraction, entity modeling, and transaction management.

Chapter 8

Validation, Exception Handling, Error Responses, and API Design

Improve API quality with request validation, consistent error handling, meaningful HTTP responses, and clean contract design.

Chapter 9

Spring Security, Authentication, Authorization, Sessions, and JWT

Learn how to secure Spring Boot applications using Spring Security, login flows, role-based access control, sessions, and token-based authentication.

Chapter 10

Testing Spring Boot: Unit Tests, Integration Tests, MockMvc, and Test Slices

Build confidence in your application with service tests, controller tests, repository tests, integration tests, and maintainable testing strategy.

Chapter 11

Logging, Actuator, Metrics, Health Checks, and Observability

Learn how to make Spring Boot applications visible and operable in production through structured logging, health endpoints, metrics, and observability tools.

Chapter 12

Caching, Async Processing, Scheduling, Messaging, and Background Work

Understand how Spring Boot handles non-blocking work, scheduled jobs, cache acceleration, and integration with message-driven architecture.

Chapter 13

Docker, Kubernetes, Deployment, CI/CD, and DevOps-Friendly Spring Boot

Learn how Spring Boot applications move from local development into containers, deployment pipelines, cloud platforms, and production environments.

Chapter 14

Microservices, Spring Cloud, Resilience, and Distributed System Patterns

Connect Spring Boot to microservice architecture, service discovery, resilience patterns, configuration, and distributed communication.

Chapter 15

Advanced Spring Boot: Auto-Configuration Internals, Performance, and Native Images

Go deeper into how Spring Boot works behind the scenes and explore advanced topics such as auto-configuration customization, startup tuning, and native deployment.

Chapter 16

Projects, Interview Preparation, and Spring Boot Mastery Roadmap

Finish with practical project ideas, interview preparation guidance, and a structured roadmap to move from Spring Boot beginner to confident production developer.

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