Topics | Eric Lee — Engineering Journal

Agents

0 projects · 1 journal entry

Skills and evals: teaching an AI agent platform workflows2026-05-26

AI

1 project · 2 journal entries

AI Developer Tools
Skills and evals: teaching an AI agent platform workflows2026-05-26
Building an MCP server for an existing platform2026-04-13

Alertmanager

0 projects · 1 journal entry

Alerting on a small Kubernetes cluster2026-01-31

Architecture

1 project · 1 journal entry

Bluetooth

1 project · 1 journal entry

Home Assistant
A firmware watchdog for a BLE proxy2026-03-23

Configuration

0 projects · 1 journal entry

Backend-driven configuration for an embeddable SDK2026-02-20

Developer Tools

1 project · 2 journal entries

AI Developer Tools
Skills and evals: teaching an AI agent platform workflows2026-05-26
Building an MCP server for an existing platform2026-04-13

DNS

0 projects · 1 journal entry

When a DNS replica fails silently2026-02-06

Error Handling

0 projects · 1 journal entry

Designing unified error handling for a public SDK2026-02-11

ESP32

1 project · 1 journal entry

Home Assistant
A firmware watchdog for a BLE proxy2026-03-23

Esphome

1 project · 1 journal entry

Home Assistant
A firmware watchdog for a BLE proxy2026-03-23

etcd

1 project · 2 journal entries

Ethereum

0 projects · 1 journal entry

Modernizing wallet connectivity with EIP-69632026-04-01

Evals

1 project · 1 journal entry

Flux CD

1 project · 1 journal entry

Gitops

1 project · 1 journal entry

GraphQL

1 project · 3 journal entries

SDK Architecture
From a React hook to a framework-agnostic SDK core2026-03-06
Backend-driven configuration for an embeddable SDK2026-02-20
Designing unified error handling for a public SDK2026-02-11

High Availability

1 project · 3 journal entries

Kubernetes Home Lab
Migrating a K3s etcd cluster from Wi-Fi to wired networking2026-07-13
How a leftover kube-vip DaemonSet poisoned ARP and broke etcd quorum2026-04-19
When a DNS replica fails silently2026-02-06

Home Automation

1 project · 3 journal entries

Home Assistant
Reading CPU temperature into Home Assistant2026-03-30
A firmware watchdog for a BLE proxy2026-03-23
Controlling an IR air conditioner with Zigbee2MQTT2026-03-04

Ingress

0 projects · 1 journal entry

Ingress and VIP design for a home Kubernetes cluster2026-08-19

K3s

1 project · 2 journal entries

kube-vip

1 project · 2 journal entries

Kubernetes

1 project · 5 journal entries

Kubernetes Home Lab
Ingress and VIP design for a home Kubernetes cluster2026-08-19
Migrating a K3s etcd cluster from Wi-Fi to wired networking2026-07-13
How a leftover kube-vip DaemonSet poisoned ARP and broke etcd quorum2026-04-19
Migrating a cluster to GitOps with Flux and SOPS2026-02-07
Alerting on a small Kubernetes cluster2026-01-31

MCP

1 project · 1 journal entry

Monitoring

0 projects · 1 journal entry

When a DNS replica fails silently2026-02-06

MQTT

1 project · 1 journal entry

Networking

0 projects · 4 journal entries

Ingress and VIP design for a home Kubernetes cluster2026-08-19
Migrating a K3s etcd cluster from Wi-Fi to wired networking2026-07-13
How a leftover kube-vip DaemonSet poisoned ARP and broke etcd quorum2026-04-19
Tailscale subnet routers and asymmetric routing on the home LAN2026-02-06

Observability

1 project · 1 journal entry

Kubernetes Home Lab
Alerting on a small Kubernetes cluster2026-01-31

Policy Routing

0 projects · 1 journal entry

Tailscale subnet routers and asymmetric routing on the home LAN2026-02-06

Prometheus

0 projects · 1 journal entry

Alerting on a small Kubernetes cluster2026-01-31

Raspberry Pi

0 projects · 1 journal entry

Reading CPU temperature into Home Assistant2026-03-30

React

1 project · 2 journal entries

SDK Architecture
Modernizing wallet connectivity with EIP-69632026-04-01
From a React hook to a framework-agnostic SDK core2026-03-06

SDK

1 project · 4 journal entries

SDK Architecture
Modernizing wallet connectivity with EIP-69632026-04-01
From a React hook to a framework-agnostic SDK core2026-03-06
Backend-driven configuration for an embeddable SDK2026-02-20
Designing unified error handling for a public SDK2026-02-11

Secrets Management

0 projects · 1 journal entry

Migrating a cluster to GitOps with Flux and SOPS2026-02-07

Self Hosting

0 projects · 1 journal entry

When a DNS replica fails silently2026-02-06

SOPS

1 project · 1 journal entry

Tailscale

0 projects · 1 journal entry

Tailscale subnet routers and asymmetric routing on the home LAN2026-02-06

Traefik

1 project · 1 journal entry

TypeScript

1 project · 3 journal entries

SDK Architecture
Building an MCP server for an existing platform2026-04-13
From a React hook to a framework-agnostic SDK core2026-03-06
Designing unified error handling for a public SDK2026-02-11

Wallet

1 project · 1 journal entry

SDK Architecture
Modernizing wallet connectivity with EIP-69632026-04-01

Zigbee

1 project · 1 journal entry