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Server System Design for Withstanding Traffic Spikes - Coupon Issuance Service

Through the implementation of a first-come, first-served coupon system, you will solve key real-world backend challenges such as concurrency issues, data consistency, and handling peak traffic. By writing the code yourself, you will identify problems and master essential practical skills, including synchronous/asynchronous processing and queue management. This project-based course is designed to help junior developers and job seekers gain hands-on experience.

(4.9) 22 reviews

805 learners

Level Basic

Course period Unlimited

Java
Java
Kotlin
Kotlin
MySQL
MySQL
Docker
Docker
Spring Boot
Spring Boot
Java
Java
Kotlin
Kotlin
MySQL
MySQL
Docker
Docker
Spring Boot
Spring Boot

[New Course Launch] From Service Deployment Automation to Incident Response, 70% Off

Hello, this is Hanjogak.

Following my experience building and designing services, I’ve released a new course covering the process of automating deployments and investigating issues in production.


From Automating Service Deployment to Responding to Operational Incidents — GitOps, Observability, and AI Agents

In this course, you’ll deploy a Spring Boot SNS app to a local Kubernetes cluster and practice the workflow from code changes through deployment and incident analysis.

  • Automating Deployment with GitHub Actions and Argo CD

  • Monitoring service status with Prometheus and Grafana

  • Investigating the Causes of Incidents Using Logs and Traces

  • Reviewing the AI agent’s analysis results against observability data

Recommended for those who want to expand what they learned in the previous course into deployment and operations.

If you have experience building basic APIs with Java and Spring Boot, you can review the course content through the course introduction and preview.

To celebrate the launch, it's 70% off until October 29.
Regular price: 66,000 won → 19,800 won

Explore the new course curriculum and preview

If you’re considering deployment and operations as your next learning goals, feel free to take a look. I hope you’ll find it useful to apply what you’ve learned to your projects.

Thank you!

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