Architecure Evolution & DevOpts

In this article, I will explore how to create a complete application that implements a CRUD API using Spring Boot 3. I will perform Create, Read, Update, and Delete operations on a database, implement authentication and authorization with JSON Web Token (JWT), and develop a REST API for managing orders in an e-commerce system. Finally, I will test the API using JUnit. Table of Contents Technologies Used Client-Server Interactions for Order Retrieval Creating a CRUD API Project Setup Structuring the Project Database Configuration Creating Entity and Repository Implementing Service and Controller Authentication and Authorization with JWT Configuring Spring Security Creating JWT Tokens Implementing the Login Endpoint Swagger setup Testing APIs with JUnit Testing the Service Testing the Controller Running Tests with Maven Testing Authentication Testing Order Retrieval with Authentication Advanced Topics and Best Practices Conclusion References Te...

In the increasingly interconnected world of digital services, APIs (Application Programming Interfaces) have become the backbone of modern software development. They enable seamless integration between different systems, allowing businesses to expand their services and functionalities. However, as the use of APIs grows, so do the security risks associated with them. This article delves into the best practices for securing APIs and highlights essential tools to protect your digital assets. Understanding API Security APIs are exposed endpoints that can be accessed over the internet, making them vulnerable to various cyber threats such as data breaches, denial of service attacks, and unauthorized access. Securing APIs is crucial to protecting sensitive data, maintaining service availability, and ensuring the integrity of communications between different systems. Best Practices for API Security 1. Use Strong Authentication and Authorization Implement robust authentication mechanisms such a...