Learnitweb

Author: Editorial Team

  • Blue-Green Deployment vs Canary Deployment in Microservices

    —

    by

    Editorial Team
    in

    Microservices architectures offer immense flexibility and scalability, but deploying updates to these distributed systems can be challenging. To minimize downtime and risk, modern DevOps practices leverage advanced deployment strategies. This detailed tutorial will focus on two prominent techniques: Blue-Green Deployment and Canary Deployment. 1. Introduction to Microservices Deployment Challenges Before diving into the strategies, let’s…

  • Bean Lifecycle in Spring Boot

    —

    by

    Editorial Team
    in

    Spring Boot (and Spring Framework in general) manages the lifecycle of beans using the Inversion of Control (IoC) Container, which creates, configures, and manages the entire lifecycle of objects (called beans). Understanding the Bean Lifecycle is essential for developers who want to hook into certain phases of a bean’s existence, such as initialization or destruction,…

  • Understanding the Transformer Architecture

    —

    by

    Editorial Team
    in

    1. Introduction The reason it is called the Transformer architecture is because the inputs gothrough a series of “transformationsˮ. 2. What Does a Transformer Do? A Transformer model performs several important tasks that enable it to understand and generate human-like language effectively: 3. Key Features of Transformer Architecture Explained The Transformer model brings together several…

  • Prompt Engineering with OpenAI – An Introduction

    —

    by

    Editorial Team
    in

    1. What is Prompt Engineering? Prompt Engineering is the strategic process of designing and refining input instructions (called prompts) to effectively communicate with AI models such as ChatGPT, Claude, Gemini, or others. It involves crafting clear, specific, and context-aware text inputs that guide the model to generate outputs that are accurate, relevant, and aligned with…

  • Swagger with Spring Boot

    —

    by

    Editorial Team
    in

    1. Introduction In this tutorial, we’ll discuss how to add Swagger to the Spring Boot. 2. Add Swagger Dependency In pom.xml, add: 3. Access Swagger UI After starting your app, open in browser: 4. Annotations In a Spring Boot application using Springdoc OpenAPI (Swagger), you can use a variety of OpenAPI annotations to document your…

  • Enabling Kafka Transactions in a Spring Boot Microservice

    —

    by

    Editorial Team
    in

    1. Introduction Kafka transactions ensure that either all Kafka operations within a transaction succeed, or none of them are applied. This guarantees: Kafka achieves this by tagging producers with transactional IDs, enabling Kafka to keep track of the state of transactions even across application crashes or restarts. 2. Enable Transactions via application.properties To enable Kafka…

  • Introduction to Transactions in Apache Kafka with Spring Boot

    —

    by

    Editorial Team
    in

    In this tutorial, we will explore Kafka Transactions—what they are, why they’re needed, and how to enable them in a Spring Boot Kafka microservices architecture. Transactions in Kafka are vital for ensuring data consistency and achieving exactly-once semantics (EOS) in distributed systems. 1. Why Use Transactions in Kafka? Kafka transactions are primarily used to achieve…

  • @WithMockUser Annotation in Spring Boot

    —

    by

    Editorial Team
    in

    1. Introduction The @WithMockUser annotation is part of Spring Security’s testing framework. It allows you to simulate an authenticated user in a test method without actually going through the login process. This is especially useful when writing unit or integration tests for secured endpoints or service methods protected by Spring Security. 2. Maven Dependency Make…

  • @Import Annotation in Spring Boot

    —

    by

    Editorial Team
    in

    1. Introduction The @Import annotation is used in Spring to import Java configuration classes, regular component classes, or even bean definition classes into the current application context. It allows for modularizing your application configuration and managing bean definitions across multiple configuration files or components. 2. Basic Definition 3. Use Cases of @Import Use Case Description…

  • @Scope annotation

    —

    by

    Editorial Team
    in

    1. Introduction The @Scope annotation in Spring Boot (and Spring Framework in general) is used to define the scope of a Spring bean — that is, how and when a new instance of the bean should be created and returned by the Spring container. By default, all Spring beans are singleton-scoped, meaning only one instance…