2024-07-28
Building a Multi-Region Kubernetes Cluster with K3s and WireGuard
A practical guide to setting up a lightweight, production-ready K3s cluster across multiple cloud regions.
KubernetesK3sWireGuard
CZ
Calvin Zhang
Full-stack engineer. Writing about cloud-native, distributed systems, and open-source.
Recent Articles
2024-07-15
Deep Dive into eBPF: Observability Without Overhead
How eBPF is revolutionizing Linux observability — from tracing to networking.
eBPFLinuxObservability
2024-06-22
Rust vs Go: Choosing the Right Tool for Cloud Services
A balanced comparison of Rust and Go for building cloud-native microservices.
RustGoMicroservices
2024-06-08
PostgreSQL Performance Tuning: A Systematic Approach
From query planning to index optimization — a workflow for consistent PG performance.
PostgreSQLPerformanceDatabase
2024-05-20
Terraform Modules: Design Patterns for Reusable Infrastructure
How to design composable Terraform modules that scale across teams.
TerraformIaCDevOps