Hands-on Elasticsearch for Beginners (Search Optimization Edition)

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

I've created a 'Kubernetes Introduction/Practical' course that even non-majors can easily understand and apply directly in real-world situations!

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

I've created an AWS introductory course that's easy to understand even for non-majors and can be applied immediately in real-world situations!

I've created a CI/CD introductory course that's easy to understand even for non-majors and can be applied immediately in real-world situations!

I've created an 'AWS Intermediate/Practical' course that even non-majors can easily understand and apply directly in real-world situations!

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

I've created a 'Load Testing Introduction/Practice for Large-Scale Traffic Handling' course that even non-majors can easily understand and apply directly in real-world situations!

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

I've created a 'Redis Beginner/Practical (Query Performance Optimization)' course that's easy to understand even for non-majors and can be applied immediately in real-world situations!

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 'DB Design Beginner/Practical' course that even non-majors can easily understand and apply directly in real-world situations!

I've created a course on 'How to Write a Developer Resume/Portfolio' that can help even non-majors pass the document screening stage!

I've created a 'MySQL Performance Optimization Beginner/Practical Course (SQL Tuning Edition)' that's easy to understand even for non-majors and can be immediately applied in real-world situations!

I've created a 'Linux Introduction' course that even non-majors can easily understand and apply immediately in real-world situations!

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

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

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 'Load Testing Introduction/Practice for Large-Scale Traffic Handling' course that even non-majors can easily understand and apply directly in real-world situations!

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

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

Beginners to Spring can quickly learn the entire Spring web application development process by creating examples.

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

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!!

Want to work for a long time as a super developer who can handle the entire process of service development and operation on your own? Then build a solid foundation in IT infrastructure knowledge from the ground up, which is just as important as various development languages!

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

A solo IT startup founder and solo entrepreneur's experience distilled into an honest, straightforward, intuitive, and deep React + Spring Boot course (Docker, AWS, GitHub Actions) I just unified everything into this one course.

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

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.

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