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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.