Chen's Digital Space

A reflection on my three-month internship experience, covering Kubernetes controller development, cloud resource governance, and system stability improvements, along with lessons learned in balancing technology and operations.

In this post, I’ll walk through how I debugged an AWS security group leak, the discovery process involving the AWS Load Balancer Controller, and how a subtle misconfiguration in our services led to the leak.

This post introduces the basics of Kubernetes controller development, covering key concepts, common patterns, and lessons learned from hands-on experience. A quick guide for anyone looking to extend Kubernetes with custom logic.

This is a collection of my personal configurations for various IDEs, including VSCode and JetBrains IDEs. It includes key mappings, settings, and plugins that I find useful for my workflow.

In this post, we’ll explore what context is, why it exists, and how to use it effectively — with examples that are both beginner-friendly and grounded in real-world use cases.

In this post, I’ll explore what goroutines and channels are, how they work under the hood, and how to use them effectively — all explained in a clear and beginner-friendly way.

In this post, I’ll explore the internal structure of slices, how they behave with append, the cost of copying, and tips to use them safely and efficiently.

Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, you can find the answer in troubleshooting or you can ask me on GitHub. Quick StartCreate a new post1$ hexo new "My New Post" More info: Writing Run server1$ hexo server More info: Server Generate static files1$ hexo generate More info: Generating Deploy to remote sites1$ hexo deploy More info: Deployment