Spring Boot Exercises

This repository is designed to guide you through building a real-world backend service using Spring Boot. Each section focuses on critical components necessary for developing a robust and scalable application.

---

Features Overview

1. Project Initialization

• Build a foundational Spring Boot project with essential components for real-world backend services.

2. Database Configuration

• Configure connections to a PostgreSQL database.
• Develop RESTful APIs with mock data to interact with the database.

3. User Management

CRUD Operations

• Create User:
  POST /api/v1/user/add
• Update User:
  PUT /api/v1/user/upd
• Change Password:
  PATCH /api/v1/user/change-pwd
• Confirm Registration:
  PATCH /api/v1/user/confirm?secretCode={code}
• Delete User:
  DELETE /api/v1/user/del/{id}

Advanced User Management

• List Users:
  GET /api/v1/user/list
• Search Users:
  GET /api/v1/user/search?firstName={firstName}&...
• User Details:
  GET /api/v1/user/detail/{userId}

4. Validation, Debugging, and Exception Handling

• Guide on debugging with IntelliJ.
• Implement advanced exception handling to ensure service stability.

5. Email Functionality with SendGrid

• Send individual and bulk marketing emails.
• Handle email verification for user registration.

6. Security

• Overview and implementation of Spring Security.
• Develop authentication APIs for login, logout, and password reset.
• Implement Role-Based Access Control (RBAC) for managing user permissions.

7. Code and Database Review

• Review database and source code to ensure high-quality standards.
• Provide feedback for optimization.

8. Logging and Monitoring

Logging with ELK Stack

• Integrate Elasticsearch, Logstash, and Kibana for advanced logging.

Logging with Kafka

• Aggregate logs and push them to Kafka for large-scale applications.

Monitoring with Grafana and Prometheus

• Set up Grafana and Prometheus to monitor application performance and metrics.

9. Build and Deployment

• Build and package the application using Docker.
• Push the packaged application to a repository.

10. CI/CD Integration

• Implement CI/CD pipelines with tools like SonarQube for code quality checks.