Spring AI Practical Guide: Building a RAG Chatbot

This is a hands-on tutorial on how to integrate with IntelliJ and develop quickly using the Model Context Protocol (MCP).

This is a lecture where you build your own MCP server using Cursor and experience vibe coding, which embodies the future of developers.

Spring CRUD starting with the price of chicken Let's start server development with the price of chicken!!

In just 2 hours of hands-on practice, we build a local LLM with RAG-based QA system using the Docker + ollama + R2R framework. (Internal/in-house QA systems, personal portfolios, AI-powered work capabilities, and even commercial services are possible.)

In this course, rather than covering the theory directly, you will learn how to use Redis effectively in your code through hands-on practice.

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

Spring Web Programming learned while creating a calendar (schedule management)! Completely master Spring with examples you can use right away, not just short snippets~

Just listen. The lecturing skill, captivating power, and lecture quality are different.

API server built with Spring Boot (Spring Boot ver3.4.x) and React 19 (with TypeScript) Completing the integration project! Producing the entire portfolio writing bootcamp as lectures.

Have you ever wondered "how" the many Java libraries and frameworks you use provide this functionality? In this course, learn how to manipulate various codes or objects provided by Java and take your Java skills to the next level.

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

Experience the power of Type Safe SQL with jOOQ!

Are you lost while learning web development? I'll help you find your own way. Even if you're not from a computer science background, you can understand how web service architecture works through a short 1-hour lecture.

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

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

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

LLM: A pro quickly delivers core content, from essentials to practical tips!

Do you still code directly these days? It's now an era where even vibe coding is bothersome! Become an AI automation expert with n8n, without coding. An automation workflow design guide immediately applicable to practical work. Practice-oriented automation strategies that maximize work efficiency. Build intuitive workflows with n8n and experience business innovation.

We create an AI judge by combining CrewAI, facilitating LLM-based multi-agent technology, with knowledge graphs and inference systems.

If you want to create your own AI service without coding, this course is the perfect solution. Using the Dify no-code platform, you can create high-quality AI apps with just your ideas. Instead of complex theory, it's structured around hands-on projects, allowing both AI beginners and working professionals to develop practical skills.

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!