Practical Elasticsearch Introduction for Immediate Use (Search Optimization Edition)

I've created a crash course that will help you pass the AWS SAA-C03 certification in just 2 weeks with exactly 163 questions!

I've created a Docker beginner/practical course that even non-majors can easily understand and apply directly in real-world situations!

I've created an AWS intro course, easy for non-specialists to understand and immediately applicable!

Created a 'Kubernetes Intro/Practical' course: easy for non-majors, immediately practical!

I've created the '대규모 트래픽 처리를 위한 부하테스트 입문/실전' lecture, easily understandable even for non-majors and immediately applicable in practice!

I've created a 'Kafka Introduction' course that is easy for non-technical users to understand and immediately applicable in practice!

I've created an 'AWS Intermediate/Practical' course that's easily digestible for non-majors and immediately applicable in real-world situations!

Even for non-majors, easy to understand and immediately applicable in practice, I've made the 'Nginx Intro/Practical' course!

I've created an introductory CI/CD course that's easy for non-majors to grasp and immediately applicable in practice!

I've made a 'DB Design Introduction/Practice' lecture that's easy for non-majors to understand and immediately applicable in practice!

I've created a 'Linux Introduction' course that's easy for non-majors to understand and immediately applicable in practice!

I've created a 'Redis Introduction/Practical (Query Performance Optimization)' course that non-majors can easily understand and immediately apply in practice!

I've created the 'MySQL Performance Optimization Intro/Practical (SQL Tuning Edition)' course, easy for non-majors to understand and immediately applicable in practice!

I've created an 'Introduction to MSA' course that even non-majors can easily understand and apply directly in real-world situations!

I've created a 'Developer Resume/Portfolio Writing' course for non-majors to pass document screening!

For IT alliance club members struggling with cover letter writing, we've prepared 13 successful samples!

I've created a 'Kafka Introduction' course that is easy for non-technical users to understand and immediately applicable in practice!

I've created an introductory CI/CD course that's easy for non-majors to grasp and immediately applicable in practice!

Building a Springboot Monitoring System (Prometheus + Grafana) | Teaching how to set up and utilize Building a Springboot Monitoring System (Prometheus + Grafana) from setup to application.

This is not a lecture that simply memorizes commands. It's a practical introductory course that helps you intuitively understand the 'flow' of technology - why containers emerged, how Docker creates and runs images based on what principles. Even if you're encountering Docker for the first time, after taking this course, you'll be able to explain "why containers are a necessary technology" on your own.

I've created the '대규모 트래픽 처리를 위한 부하테스트 입문/실전' lecture, easily understandable even for non-majors and immediately applicable in practice!

Experience the power of Type Safe SQL with jOOQ!

Learn the basic data structures of REDIS and examples of practical use of REDIS through redis-cli (command) practice.

This course is perfect for business professionals who want to acquire practical database design skills in a short period of time, or for those aiming to develop original applications. By learning the data structure design thinking that professional engineers actually use, you can acquire knowledge that can be immediately applied to the development and improvement of apps and services!

I've created a crash course that will help you pass the AWS SAA-C03 certification in just 2 weeks with exactly 163 questions!

Complete a project integrating an API server built with Spring Boot (Spring Boot ver3.4.x) and React 19 (with TypeScript)! Apply a front-end to your backend portfolio! A course designed for working professionals (not for beginners).

It explains almost everything surrounding the cloud in an easy-to-understand manner. If you listen to it before the actual practice, you will be able to understand development or infrastructure cloud well.

Learning about various communication techniques and understanding their differences helps you develop the ability to select and implement the most appropriate communication method.

Building Your Own Emotional Diary Service with SpringAI + React This is the 4th project time creating together with Neo + Essential!

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.

Learn cloud infrastructure automation technology using AWS and Terraform, and practice efficient infrastructure management and deployment. Manage AWS resources as code through Terraform, and learn how to deploy consistent infrastructure across various environments.

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!!

You can learn about IAM, the foundation of AWS Zero Trust, from the basics to the details. This will help you understand what parts are actually vulnerable and where you need to pay more attention.

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