Cloud systems
Lambda, containers, Terraform, observability, and the boring details that make deployments repeatable.
software / infrastructure / experiments
ryeonho
Practical systems with sharp edges removed. Small tools, cloud infrastructure, automation, and notes from building things that need to keep working.
Product tools
Focused interfaces for small teams, internal workflows, and scripts that become dependable services.
Notes & labs
Measured experiments, build logs, and practical writeups from debugging real production behavior.