Engineering Notes

Short notes from infrastructure work, troubleshooting, and platform engineering practice.

IRSA vs EKS Pod Identity

A practical comparison of AWS IAM approaches for Kubernetes workloads.

Harbor Registry & Container Runtime Troubleshooting

Notes on Harbor registry setup, containerd mirror configuration, proxy cache, TLS, and S3-backed registry issues.

kube-prometheus-stack Troubleshooting

Operational notes around Prometheus Operator, CRDs, admission webhooks, Alertmanager, and Grafana dashboards.

SQLite Concurrency in Go Automation Tools

Why SQLite can still be a good fit for small Go automation projects when WAL, busy_timeout, and connection limits are configured correctly.

Kitty + tmux Workflow

Notes on local terminal workflow, session management, and practical terminal ergonomics.