JAVA PROJECT ON SPRING BOOT AND SPRING security||Full course|| shopping cart and backend
A *Spring Boot backend project* course provides a comprehensive guide to building modern, scalable, and efficient backend applications using the Spring Boot framework, which is a widely-used Java-based framework designed for rapid application development. This course covers all aspects of backend development, from setting up a Spring Boot project to deploying the application in a production environment. Below is a detailed breakdown of what such a full course might include:
1. *Introduction to Spring Boot*
Overview of Spring Framework and why Spring Boot is essential.
Features of Spring Boot: Auto-configuration, Spring Boot Starters, and Embedded Servers.
Setting up a development environment (IDE, JDK, Maven/Gradle).
2. *Project Setup and Architecture*
Creating a Spring Boot project using Spring Initializr.
Maven vs Gradle: Dependency Management and Build Tools.
Directory Structure and Best Practices for Project Organization.
Introduction to Layers in Spring Boot (Controller, Service, Repository).
3. *Spring Boot Fundamentals*
Spring Boot Annotations: `@RestController`, `@Service`, `@Repository`, etc.
Dependency Injection and Inversion of Control (IoC).
Bean management and life cycle in Spring Boot.
Understanding `application.properties` and `application.yml` for configuration.
4. *Creating RESTful APIs*
Building RESTful endpoints using `@GetMapping`, `@PostMapping`, `@PutMapping`, and `@DeleteMapping`.
Handling HTTP requests and responses.
Validating user input with `@Valid` and handling validation errors.
Exception handling with `@ControllerAdvice` and custom exception classes.
5. *Data Persistence and Database Integration*
Integrating Spring Boot with databases (e.g., MySQL, PostgreSQL).
Spring Data JPA: Creating entities, repositories, and performing CRUD operations.
Writing custom queries using JPQL and native queries.
Database migration and versioning using tools like Flyway or Liquibase.
6. *Security in Spring Boot*
Introduction to Spring Security for authentication and authorization.
Implementing basic security with `@EnableWebSecurity`.
Configuring Role-Based Access Control (RBAC) and custom authentication providers.
JWT (JSON Web Tokens) for stateless authentication in RESTful services.
7. *Service Layer and Business Logic*
Implementing business logic in the service layer.
Creating services that interact with repositories and return responses.
Transaction management with `@Transactional`.
Handling edge cases and errors in the service layer.
8. *Spring Boot and External Integrations*
Consuming external APIs using `RestTemplate` and `WebClient`.
Sending emails using JavaMailSender.
File uploads and downloads with Spring Boot.
Integrating third-party libraries (e.g., payment gateways, cloud services).
9. *Testing Spring Boot Applications*
Writing unit tests for controllers, services, and repositories using JUnit and Mockito.
Integration testing with Spring Boot Test framework.
Mocking dependencies and testing RESTful APIs.
10. *Caching and Performance Optimization*
Introduction to caching in Spring Boot using `@Cacheable` and `@CacheEvict`.
Integrating with caching solutions like Redis or EhCache.
Performance tuning techniques and monitoring Spring Boot applications.
11. *Spring Boot and Microservices Architecture*
Introduction to microservices and how Spring Boot facilitates their development.
Creating multiple Spring Boot services and inter-service communication.
Service discovery and registration using Eureka or Consul.
API Gateway and load balancing with Spring
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