Are you properly utilizing springboot?

You can learn all the core aspects of WebSocket and STOMP in Spring Boot with just a 1-hour investment.

You can quickly learn about virtual threads supported from spring boot 3.2.0 (+ JDK 21) and get hints on performance improvement in just 1 hour for free.

I will show you through live coding how to create a rest API with spring boot in just one hour for developers who know nothing about spring or spring boot.

You will learn how to set up/use spring boot actuator and how to create your own custom endpoints and metrics. You will learn not only how to use it, but also the internal code and basic knowledge of spring boot, so you can understand it a little more deeply.

Spring Boot, the starting point of Java web development! We will teach you the essentials step by step while making it yourself!

Learn how to easily integrate ChatGPT API using SpringAI and develop AI servers through prompt engineering!

From log recording to collection and utilization, it covers the whole cycle.

Experience the power of Type Safe SQL with jOOQ!

Learn Springboot + Flutter RestAPI Board Creation Faster Than Anyone Develop a CRUD server with Springboot and create your own board with Flutter!

Stop using print()! Learn easy and powerful logging with Python's loguru library. From basic concepts to file management, FastAPI web app integration and Slack notifications, we'll teach you step by step with hands-on practice.

Learn C# for developing applications like ASP.NET, Winform, WPF, and MAUI that run on the .NET Platform.

Building a 3D Globe Article Service with ThreeJS and SpringAI Create your own 3D globe article service using your personal chatbot and ThreeJS!

Learn SAGA transaction management techniques for maintaining data consistency in distributed environments through hands-on practice. Configure three microservices using Spring Boot and Docker, and implement both Orchestration and Choreography patterns with Kafka and MySQL. Through this course, you can master core concepts that are immediately applicable in real-world scenarios, including distributed transaction operation principles, compensating transaction design, and failure recovery handling.

Learn Springboot + ReactNative RestAPI Board Creation Faster Than Anyone Develop a CRUD server with Springboot and create your own board with ReactNative!

Build a Springboot + iOS RestAPI Bulletin Board: Learn Faster than Anyone Develop a CRUD server with Springboot and create your own bulletin board with iOS!

This course is a practical-focused learning program for JWT-based token authentication and security enhancement techniques that are essential in modern web service environments. Using Spring Boot 3, Spring Security 6, and React, you'll implement secure login systems and cover comprehensive security practices including XSS·CSRF countermeasures, HTTPS implementation, token reissuance and revocation strategies, and secure secret key management. Additionally, you'll practice real service-level environment configuration through AWS build·deployment and performance optimization using Redis, and the complete project source code provided in the course can be directly applied to real-world work.

Spring AI + JPA + MySQL Premium Reservation Agent Backend Development with 'Autonomous Behavior' Beyond Chatbots to Agents: The Definitive Guide to Tool Calling and Prompt Engineering

This course proceeds in stages, similar to the actual work, by learning and applying the necessary knowledge while configuring the infrastructure.

I've created a beginner-friendly and practical 'Introduction to Elasticsearch' course!

This lecture clearly explains the concepts and operation principles of Promise and async/await in asynchronous programming in JavaScript, and helps you to skillfully handle asynchronous processing in practice.

Learn the deployment process in the following order: Manually deploy Spring Boot with Chicken Combo value -> Deploy with Docker -> Github Action CI/CD.

# Building an 'Intelligent Collaboration' Expert Agent Team Using Spring AI Router Pattern + RAG + MCP Beyond Single Agents to Architecture: The Definitive Guide to Router Pattern and Agent Isolation Design