This is a practical course covering how to build systems robust against failures. From design fundamentals for service stability, various patterns to prevent failure propagation, asynchronous processing using message queues, to strategies for maintaining distributed data consistency, you will learn the core technologies and concepts required for a stable backend system.

It covers the entire cycle, starting from what logs to record to how to collect and utilize them.

In this lecture, you will learn how to understand various deployment strategies and choose the right deployment method for your situation to maximize service stability. You will also get practical tips on setting up Slack alarms and deploying to an operating environment!

This is a follow-up lecture to 'Testing Backend Application Performance', and it will lay the foundation for improving the performance of the backend application you created.

Through this course, you will experience application deployment automation. While deploying a project, you will also learn how to use Jenkins and gain basic knowledge about CI/CD!

This course will provide you with the basic knowledge to perform performance testing and improve the APIs of your own backend applications.

Through this course, you will gain experience deploying front-end and back-end projects. You will also gain basic knowledge about Linux and networks while deploying projects!

For job seekers who have created a portfolio as a backend developer but have nothing to show but an API, we will provide the experience of adding a frontend to create a web service.

We'll show you a quick and easy way to implement CircuitBreaker to create a fault-tolerant service.