📍 Module 1: Spring Boot Essentials

• Introduction to Spring Boot Framework

• Spring Boot Annotations & Auto Configuration

• Creating REST APIs

• Application Properties & YAML Configuration

• Dependency Injection and Bean Lifecycle

• Spring Boot DevTools & Testing REST APIs

📍 Module 2: Working with Hibernate & JPA

• ORM Concepts & Introduction to Hibernate

• Entity Relationships: OneToOne, OneToMany, ManyToOne, ManyToMany

• Mapping Entities using JPA Annotations

• JPA Repositories & Custom Queries

• JPQL vs Native SQL

• CRUD Operations with Hibernate + Spring Boot

• Transaction Management

📍 Module 3: Spring Data JPA Advanced

• Pagination & Sorting

• Projections and DTO Mapping

• Using Criteria API

• Handling Exceptions & Validations in JPA

• Data Initialization (CommandLineRunner & import.sql)

📍 Module 4: Microservices Architecture

• Monolithic vs Microservices

• Introduction to Spring Cloud

• Setting up Microservices Project Structure

• Communication between Microservices (REST/Feign Client)

• Service Registry with Eureka Server

• API Gateway with Spring Cloud Gateway

• Load Balancing with Ribbon

• Centralized Configuration with Spring Cloud Config

📍 Module 5: Microservices Security

• Introduction to Microservices Security Concepts

• Authentication vs Authorization

• Implementing JWT (JSON Web Token)

• Securing REST APIs with Spring Security + JWT

• Role-Based Access Control (RBAC)

• OAuth2 & OpenID Connect (Overview)

• Securing Microservices with API Gateway

• Refresh Tokens and Token Expiry Handling

📍 Module 6: Exception Handling & Logging

• Centralized Exception Handling (Global Exception Handler)

• ResponseEntityExceptionHandler

• Logging with SLF4J + Logback

• Distributed Logging (Introduction to ELK stack)

📍 Module 7: Testing & Deployment

• Unit Testing with JUnit & Mockito

• Integration Testing with MockMvc

• REST Assured for API Testing

• Dockerizing Spring Boot Microservices

• Deploying to Cloud (AWS/Heroku – overview)

📍 Module 8: Final Capstone Project

• Design and Build a Secure Microservices-Based Application

• Modules: User Service, Product Service, Order Service

• Implement Authentication with JWT

• Secure API Gateway

• Integrate Hibernate for Data Persistence

• Dockerize & Deploy