Spring Boot 3
Enterprise Java with Spring Boot 3 — REST APIs, Spring Data JPA, Security, WebFlux, microservices, and production deployment.
100% Free · All lessons unlocked
Course Content
Foundations
Core concepts and groundwork
Introduction to Spring Boot 3 and Spring Framework
Reading
Spring IoC Container and Dependency Injection
Reading
Spring MVC: Controllers, RequestMapping, and DTOs
Reading
Building REST APIs with @RestController
Reading
Foundation Practice: CRUD REST API with Spring Boot
Exercise
Spring Data JPA: Entities, Repositories, and JPQL
Reading
Core Skills
Essential techniques and patterns
Database Migrations with Flyway and Liquibase
Reading
Spring Boot Validation with Bean Validation API
Reading
Exception Handling with @ControllerAdvice
Reading
JPA and Data Access Practice
Exercise
Spring Security 6: Authentication and Authorization
Reading
JWT Authentication and OAuth2 Resource Server
Reading
Applied Practice
Hands-on, real-world scenarios
Method-Level Security and Custom Access Rules
Reading
Spring Boot Actuator: Health, Metrics, and Info
Reading
Security Assessment: Secured Multi-Role API
Exercise
Spring WebFlux: Reactive Programming with Reactor
Reading
Spring Cache Abstraction with Redis
Reading
Spring Events and ApplicationEvent
Reading
Advanced Topics
Deeper, more complex material
Scheduling Tasks with @Scheduled
Reading
Mid-Course Project: Multi-Tenant SaaS Backend
Project
Spring Cloud: Config Server and Service Discovery
Reading
Spring Cloud Gateway: API Gateway Patterns
Reading
Resilience4j: Circuit Breaker and Retry
Reading
Spring Kafka: Event-Driven Microservices
Reading
Production & Scale
Building for the real world
Microservices Practice: Order Processing System
Exercise
Testing Spring Boot: MockMvc, @SpringBootTest, Testcontainers
Reading
OpenAPI Documentation with springdoc
Reading
GraalVM Native Image for Spring Boot
Reading
Performance Tuning: Connection Pools, JPA N+1, Caching
Reading
Testing and Performance Practice
Exercise
Mastery & Capstone
Projects and final review
Containerizing Spring Boot with Docker and Jib
Reading
Kubernetes Deployment for Spring Boot
Reading
Observability: Micrometer, Zipkin, and Grafana
Reading
Spring Authorization Server: Building an OAuth2 Provider
Reading
Capstone: Production Microservices Platform
Project
100% Free · All lessons unlocked
Topic Overview
What you'll learn
- Core concepts and fundamentals of Spring Boot 3
- Industry best practices and design patterns
- Hands-on exercises with real-world scenarios
- Performance optimization and advanced techniques
- Building production-ready applications