Technical exploration and curated notes under the infrastructure topic.
Running ESP32 devices at scale means confronting OTA failures, partition table design, and rollback logic. Here's what production-grade ESP32 firmware deployment actually looks like.
A complete walkthrough of deploying a fully self-hosted NetBird WireGuard mesh VPN with Patroni/etcd PostgreSQL HA, GlusterFS shared storage, and automatic VIP failover on a 3-node Docker Swarm cluster — no Kubernetes, no cloud load balancers, no SaaS dependencies.
How to integrate HiSense AEH-W4B1/W4E1 air conditioners into Home Assistant locally using the deiger/AirCon add-on — no cloud dependency, full MQTT control.
How Docker's role has evolved from shipping 100MB microservices to orchestrating 50GB AI model containers -- and what your production config needs to look like today.
How to use Renovate's Docker datasource to pin, track, and automatically update base images in production -- and why floating tags like 'latest' will eventually burn you.