[Beginner] Let's Eat! Create Membership with Kotlin and Spring Security + JWT

Rising backend powerhouse Copring,
Make sure you get the most out of your membership registration and permission management!

Kotlin + Spring Boot
Permission management while learning

• ✅ You can develop APIs using Kotlin and Spring Boot.
• ✅ You can learn how to manage permissions that can occur during sign-up and login using Spring Security and JWT.

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After taking this course, you will be able to do things like:

• You can grasp the concept of Spring Security and JWT.
• You can develop a membership API with Kotlin and Spring Boot.
• You can verify the validity of the information provided when registering as a member.

What you'll learn 📚

Section 1. A Taste of Kotlin

• Let's learn some Kotlin syntax that will appear repeatedly in the lecture.

Section 2. Creating a Membership Registration Function

• Let's create a project and create a basic membership registration API using JPA.

• Learn how to verify requirements and validate them by applying validation to DTOs.
• Let's learn how to commonly handle exceptions by creating an Exception Handler.

Section 3. Permissions Management

• Learn what Spring Security and JWT are.
• Learn how to generate and verify tokens.
• Learn how to manage permissions in Spring Security.

Section 4. Creating a Login Function

• Learn how to grant permissions to a member when signing up.
• Learn how to issue and transmit a token when logging in.

Section 5. Ability to change my information

• Let's create a function to view and change my information.
• Let's store the member ID in a token so that only the user can view and edit his/her own information.

Q&A 💬

Things to note before taking the course 📢

Practice environment

• Mac, Windows
• Language: Kotlin 1.8.21 (Java Version 17)
• Framework: Spring Boot 3.1.0
• Database: MariaDB 10.11.2
• Tool: IntelliJ IDEA Community Edition, DBeaver, Postman
• User Authentication: JWT

Learning Materials

• Section 0. "Lecture Materials" in the lecture introduction contains the source code modification process and explanation.
• Section 0. I have uploaded the project I created during the lecture in the "Source Files" section of the lecture introduction.

Player Knowledge and Precautions

• If you have programming experience in any programming language, that's great.
• It will be easier to understand if you know the basic grammar of Kotlin.
• It will be easier to understand for those who have experience using Spring Boot and JPA.
• If you have any questions while watching the lecture, please leave a question. I'll respond promptly.