인프런 - 라이프타임 커리어 플랫폼

We will learn how to create a system to support large amounts of data and traffic by creating it directly with Spring Boot.

You can learn about JWT and ws communication using Spring Boot, and how to handle high TPS.

Experience the power of Type Safe SQL with jOOQ!

We will develop a scalable order processing system capable of real-time event streaming using Spring Boot 3.x + Kotlin to build a Kafka cluster, leveraging PostgreSQL CDC with Debezium Connect and Apache Avro schema.

[Newbies to Web Development Only] Let's Build a Spring Boot REST API Step-by-Step, the Easy Way

[Web Dev Beginners Only] Build a Spring Boot REST API easily, step-by-step, fully understanding JPA.

This course focuses on building the real skills needed in development practice. The goal is not simply to learn how to write code well, but to feel how to work well as a developer. The examples are based on the commerce domain, covering cases frequently encountered in actual work, and are provided with SpringBoot & Kotlin. However, it's a course that is not dependent on language/framework and allows anyone to contemplate through thought-provoking material and experience real-world practice.

This course covers how to set up multi-module projects from scratch using Kotlin and Spring Boot. It proceeds with a hands-on approach, covering everything from the basic concepts of modularization to Gradle configuration, managing dependencies between modules, and actual application development. If you are a beginner or intermediate developer looking to learn the fundamentals and practical application of multi-modules, please refer to this course.

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

Learn about Race Condition, a representative concurrency problem. Practice by comparing single server environments and distributed environments that cause concurrency issues. Understand transaction boundaries and isolation levels. Learn the differences between optimistic locking, pessimistic locking, and distributed locking.