Spring Boot Fundamentals

Master Spring Boot with our comprehensive guides - from basic concepts to advanced implementations.

Getting Started

Setup, Configuration, and Basics

Security

Authentication and Authorization

Data Access

JPA, R2DBC, and MongoDB

REST APIs

RESTful Services and WebFlux

Spring Boot Basics

Error Handling Best Practices in Spring Boot with Kotlin

Error Handling Best Practices in Spring Boot with Kotlin

4 min read rest · Spring Basics

Master Spring Boot error handling in Kotlin with comprehensive examples: learn to implement global exception handlers, custom error responses, and production-ready error handling strategies

Securing Spring Boot REST APIs with Kotlin: Best Practices Guide

Securing Spring Boot REST APIs with Kotlin: Best Practices Guide

4 min read Security · Spring Basics

Learn how to secure your Spring Boot REST APIs using Kotlin with industry-standard security practices and implementations.

Request Validation in Spring Boot with Kotlin: A Complete Guide

Request Validation in Spring Boot with Kotlin: A Complete Guide

4 min read rest · Spring Basics

Learn how to implement robust request validation in Spring Boot with Kotlin, from basic field validation to custom validators, complete with practical examples and best practices.

Spring Boot Scheduling with Kotlin: A Comprehensive Guide

Spring Boot Scheduling with Kotlin: A Comprehensive Guide

4 min read Spring Basics

Learn how to implement robust task scheduling in Spring Boot using Kotlin, from basic fixed-rate tasks to complex cron expressions with real-world examples.

Implementing Retry Mechanisms in Kotlin Spring Boot Apps

Implementing Retry Mechanisms in Kotlin Spring Boot Apps

5 min read microservices · Spring Basics

Learn how to implement resilient retry mechanisms in Kotlin Spring Boot applications using Spring Retry, including exponential backoff, conditional retries, and best practices for handling transient failures in microservices

How To Use Dependency Injection and Beans in Spring Boot with Kotlin

How To Use Dependency Injection and Beans in Spring Boot with Kotlin

3 min read Spring Basics

Learn how to implement dependency injection and manage Spring beans in Kotlin Spring Boot applications for cleaner, more maintainable code with practical examples and best practices.

Building a REST API with Kotlin and Spring Boot: A Step-by-Step Guide (2024)

Building a REST API with Kotlin and Spring Boot: A Step-by-Step Guide (2024)

2 min read Spring Basics

Learn how to build a modern REST API using Kotlin and Spring Boot 3.2. This practical guide covers everything from project setup to testing, with complete code examples.

Security

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Spring Security
Featured

Role-Based Access Control (RBAC) in Spring Security with Kotlin

15 min read

Master Role-Based Access Control (RBAC) in Spring Boot applications using Kotlin with practical examples, from basic setup to advanced configurations with method-level security

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Design & Create REST Applications

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Featured Guide Spring Boot 3.3

Building Modern REST APIs with Spring Boot

A comprehensive guide to creating production-ready REST APIs using Spring Boot and Kotlin. Learn best practices, error handling, and API documentation.

@RestController
@RequestMapping("/api/v1")
class ProductController {
    @GetMapping("/{id}")
    suspend fun getProduct(@PathVariable id: Long): Product =
        productService.findById(id)
            ?: throw ResponseStatusException(NOT_FOUND)
}
File Upload and Download with Spring Boot and Kotlin

Learn how to implement secure file upload and download functionality in Spring Boot using Kotlin including best practices for production deployment..

Updated 2 days ago 3 min read

REST API Error Handling

Learn how to implement consistent error handling and status codes in your REST APIs for better client integration.

Updated 5 days ago 5 min read

API Design

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Different approaches to API versioning and their trade-offs.

Implementation

Implementing robust input validation for your REST endpoints.