Problem Statement A web-based image upload feature requires numeric verification within uploaded images. The architecture leverages Java web services to handle HTTP requests and orchestrates communication through a message broker, while Python handles optical character recognition (OCR) processing....
Project Initialization Using Maven in IntelliJ IDEA Start by creating a new Maven project named bos2 in IntelliJ IDEA. Once the project is created, remove the default src directory since this will serve as a parenet (aggregator) module for multiple sub-modules. Configure Parent POM Update the root p...
Implementing Distributed Tracing with Spring Cloud Sleuth and Zipkin In microservices architecture, applications are typically composed of numerous services that interact with each other. When issues arise, identifying the root cause can be challenging due to the complex web of service interactions....
Overview of WebSocket Protocol In modern web development, the demand for instant data synchronization is increasing. Traditional HTTP protocols, operating on a request-response model, are often inefficient for scenarios requiring continuous updates. WebSocket provides a solution by establishing a pe...
Introduction to Spring Cloud Gateway Spring Cloud Gateway serves as an API gateway built on the Spring ecosystem, leveraging technologies like Spring 5, Spring Boot 2.0, and Project Reactor. It provides a straightforward approach to route APIs while offering robust filter capabilities including circ...
Database Schema Setup Create the user table with the following SQL definition: CREATE TABLE `tb_user` ( `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'Primary Key', `username` varchar(50) NOT NULL COMMENT 'User Name', `age` int(11) NOT NULL COMMENT 'User Age', `ctm` datetime NOT NULL COMMENT 'Creatio...
Spring Boot provides convenient ways to handle static resources such as images, JavaScript files, and CSS stylesheets. When packaging your application, Spring Boot automatically includes certain directories and excludes others. Default included directories: public/**, resources/**, static/**, templ...
Redis Cleints in Java In Java applications, interacting with Redis requires a Redis client library, similar to using JDBC for MySQL operations. Several reliable Java clients are available: Jedis Lettuce Spring Data Redis Spring provides comprehensive integration through Spring Data Redis, and Spring...
Enabling server-side view rendering in Spring Boot requires configuring a view resolver that maps logical names returned from controllers to physical template files. The setup involves updating project dependencies, adjusting the application entry point for external container compatibility, defining...
1. Required Dependencies Add the following to your pom.xml: <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-security</artifactId> </dependency> <dependency> <groupId>org.thymeleaf.extras</groupId> <arti...